diff --git a/input/metadata.yml b/input/metadata.yml
index 6671af7..ed77520 100644
--- a/input/metadata.yml
+++ b/input/metadata.yml
@@ -42,16 +42,16 @@ resources:
     - name: national_generation_capacity
       profile: tabular-data-resource
       title: Statistics of national generation capacities
-      bytes: 281820
-      hash: 0d17e3ad7edb2b1d64e26df11f75d358d86623744c0b24e4fa261bf36fc27717
+      bytes: 281480
+      hash: eaef1236b93c9ee1458cc995f74aed6346911a36aa964aec8597c45b2809d068
       path: national_generation_capacity.xlsx
       format: xlsx
       mediatype: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
     - name: national_generation_capacity_stacked
       profile: tabular-data-resource
       title: Statistics of national generation capacities
-      bytes: 3483593
-      hash: 2ba999a62ea12b5daf4523b298fb7a3998fe74f9aa85f9d6acc35d62f5d0e14f
+      bytes: 4219316
+      hash: b8aa71c64711e4586f51586a248e38e031c9a82dcfaf4b77401c1366944f9a14
       path: national_generation_capacity_stacked.csv
       format: csv
       mediatype: text/csv
diff --git a/processing.ipynb b/processing.ipynb
index 9d59d03..7fe151d 100644
--- a/processing.ipynb
+++ b/processing.ipynb
@@ -90,7 +90,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -132,7 +132,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -148,7 +148,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -186,7 +186,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -234,7 +234,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -293,24 +293,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "05 Apr 2019 17:09:39 - root - INFO - Using local file from download\\2019-4-5-nrg_113a.tsv.gz\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "download\\2019-4-5-nrg_113a.tsv.gz\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "# Data source for EUROSTAT data\n",
     "# http://ec.europa.eu/eurostat/estat-navtree-portlet-prod/BulkDownloadListing?sort=1&downfile=data%2Fnrg_113a.tsv.gz\n",
@@ -325,7 +310,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -371,171 +356,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "05 Apr 2019 17:09:39 - root - INFO - Using local file from download\\2019-4-5-Statistics.xls\n"
-     ]
-    },
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>country</th>\n",
-       "      <th>year</th>\n",
-       "      <th>hydro</th>\n",
-       "      <th>of which storage</th>\n",
-       "      <th>of which run of river</th>\n",
-       "      <th>of which pumped storage</th>\n",
-       "      <th>nuclear</th>\n",
-       "      <th>renewable</th>\n",
-       "      <th>of which wind</th>\n",
-       "      <th>of which solar</th>\n",
-       "      <th>of which biomass</th>\n",
-       "      <th>fossil_fuels</th>\n",
-       "      <th>other</th>\n",
-       "      <th>representativity</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>12665.0</td>\n",
-       "      <td>7205.0</td>\n",
-       "      <td>5241.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>1031.0</td>\n",
-       "      <td>1002.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>7389.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>100.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>13200.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>1542.0</td>\n",
-       "      <td>1056.0</td>\n",
-       "      <td>55.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>7818.0</td>\n",
-       "      <td>68.0</td>\n",
-       "      <td>100.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2012</td>\n",
-       "      <td>13350.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>1906.0</td>\n",
-       "      <td>1307.0</td>\n",
-       "      <td>172.0</td>\n",
-       "      <td>427.0</td>\n",
-       "      <td>7834.0</td>\n",
-       "      <td>74.0</td>\n",
-       "      <td>100.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2013</td>\n",
-       "      <td>13427.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>2305.0</td>\n",
-       "      <td>1555.0</td>\n",
-       "      <td>324.0</td>\n",
-       "      <td>426.0</td>\n",
-       "      <td>7847.0</td>\n",
-       "      <td>244.0</td>\n",
-       "      <td>100.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2014</td>\n",
-       "      <td>13569.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>0</td>\n",
-       "      <td>3413.0</td>\n",
-       "      <td>2110.0</td>\n",
-       "      <td>589.0</td>\n",
-       "      <td>512.0</td>\n",
-       "      <td>7243.0</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>100.0</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  country  year    hydro  of which storage  of which run of river  \\\n",
-       "0      AT  2010  12665.0            7205.0                 5241.0   \n",
-       "1      AT  2011  13200.0               0.0                    0.0   \n",
-       "2      AT  2012  13350.0               0.0                    0.0   \n",
-       "3      AT  2013  13427.0               0.0                    0.0   \n",
-       "4      AT  2014  13569.0               0.0                    0.0   \n",
-       "\n",
-       "   of which pumped storage  nuclear  renewable  of which wind  of which solar  \\\n",
-       "0                      0.0        0     1031.0         1002.0             0.0   \n",
-       "1                      0.0        0     1542.0         1056.0            55.0   \n",
-       "2                      0.0        0     1906.0         1307.0           172.0   \n",
-       "3                      0.0        0     2305.0         1555.0           324.0   \n",
-       "4                      0.0        0     3413.0         2110.0           589.0   \n",
-       "\n",
-       "   of which biomass  fossil_fuels  other  representativity  \n",
-       "0               0.0        7389.0    0.0             100.0  \n",
-       "1               0.0        7818.0   68.0             100.0  \n",
-       "2             427.0        7834.0   74.0             100.0  \n",
-       "3             426.0        7847.0  244.0             100.0  \n",
-       "4             512.0        7243.0    0.0             100.0  "
-      ]
-     },
-     "execution_count": 8,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "# Data source for ENTSO-E capacity data\n",
     "# https://docstore.entsoe.eu/Documents/Publications/Statistics/NGC_2010-2015.xlsx\n",
@@ -566,21 +389,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "05 Apr 2019 17:09:39 - root - INFO - Using local file from download\\2019-4-5-SO_AF_2011_-_2025_.zip\n",
-      "05 Apr 2019 17:09:42 - root - INFO - Using local file from download\\2019-4-5-120705_SOAF_2012_Dataset.zip\n",
-      "05 Apr 2019 17:09:44 - root - INFO - Using local file from download\\2019-4-5-130403_SOAF_2013-2030_dataset.zip\n",
-      "05 Apr 2019 17:09:47 - root - INFO - Using local file from download\\2019-4-5-140602_SOAF%202014_dataset.zip\n",
-      "05 Apr 2019 17:09:52 - root - INFO - Using local file from download\\2019-4-5-SO_AF_2015_dataset.zip\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "url_entsoe_soaf2015 = (\n",
     "    'https://www.entsoe.eu/Documents/Publications/SDC/data/SO_AF_2015_dataset.zip')\n",
@@ -683,115 +494,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th>2011</th>\n",
-       "      <th>2012</th>\n",
-       "      <th>2013</th>\n",
-       "      <th>2014</th>\n",
-       "      <th>2015</th>\n",
-       "      <th>2016</th>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th></th>\n",
-       "      <th>country</th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th rowspan=\"5\" valign=\"top\">Adequacy Reference Margin</th>\n",
-       "      <th>AL</th>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>0.117</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>AT</th>\n",
-       "      <td>1.3</td>\n",
-       "      <td>2.3</td>\n",
-       "      <td>1.9</td>\n",
-       "      <td>2.6</td>\n",
-       "      <td>2.7</td>\n",
-       "      <td>0.844868</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>BA</th>\n",
-       "      <td>0.3</td>\n",
-       "      <td>0.3</td>\n",
-       "      <td>0.3</td>\n",
-       "      <td>0.3</td>\n",
-       "      <td>0.3</td>\n",
-       "      <td>0.19</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>BE</th>\n",
-       "      <td>1.8</td>\n",
-       "      <td>1</td>\n",
-       "      <td>1.94</td>\n",
-       "      <td>1.93</td>\n",
-       "      <td>2.34</td>\n",
-       "      <td>1.01675</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>BG</th>\n",
-       "      <td>1.2</td>\n",
-       "      <td>1.2</td>\n",
-       "      <td>1.31</td>\n",
-       "      <td>1.31</td>\n",
-       "      <td>1.38</td>\n",
-       "      <td>1.413</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "                                  2011 2012  2013  2014  2015      2016\n",
-       "                          country                                      \n",
-       "Adequacy Reference Margin AL       NaN  NaN   NaN   NaN   NaN     0.117\n",
-       "                          AT       1.3  2.3   1.9   2.6   2.7  0.844868\n",
-       "                          BA       0.3  0.3   0.3   0.3   0.3      0.19\n",
-       "                          BE       1.8    1  1.94  1.93  2.34   1.01675\n",
-       "                          BG       1.2  1.2  1.31  1.31  1.38     1.413"
-      ]
-     },
-     "execution_count": 10,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_soaf = pd.concat([data_soaf_2011,data_soaf_2012,data_soaf_2013,data_soaf_2014,data_soaf_2015], axis=1)\n",
     "data_soaf.head()"
@@ -827,127 +532,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>technology</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>type</th>\n",
-       "      <th>country</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>comment</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2013</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1240.00</td>\n",
-       "      <td>NaN</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2014</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1766.00</td>\n",
-       "      <td>NaN</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2015</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1442.97</td>\n",
-       "      <td>NaN</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Anre</td>\n",
-       "      <td>Regulatory Authority</td>\n",
-       "      <td>2013</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>RO</td>\n",
-       "      <td>Unknown</td>\n",
-       "      <td>12079.00</td>\n",
-       "      <td>NaN</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Anre</td>\n",
-       "      <td>Regulatory Authority</td>\n",
-       "      <td>2014</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>RO</td>\n",
-       "      <td>Unknown</td>\n",
-       "      <td>12102.00</td>\n",
-       "      <td>NaN</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "     technology                source           source_type  year  \\\n",
-       "0  Fossil fuels  Agencija za energijo              Ministry  2013   \n",
-       "1  Fossil fuels  Agencija za energijo              Ministry  2014   \n",
-       "2  Fossil fuels  Agencija za energijo              Ministry  2015   \n",
-       "3  Fossil fuels                  Anre  Regulatory Authority  2013   \n",
-       "4  Fossil fuels                  Anre  Regulatory Authority  2014   \n",
-       "\n",
-       "                       type country capacity_definition  capacity comment  \n",
-       "0  Installed capacity in MW      SI        Net capacity   1240.00     NaN  \n",
-       "1  Installed capacity in MW      SI        Net capacity   1766.00     NaN  \n",
-       "2  Installed capacity in MW      SI        Net capacity   1442.97     NaN  \n",
-       "3  Installed capacity in MW      RO             Unknown  12079.00     NaN  \n",
-       "4  Installed capacity in MW      RO             Unknown  12102.00     NaN  "
-      ]
-     },
-     "execution_count": 11,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "# Reshape dataframe to list\n",
     "data_opsd = pd.DataFrame(data_raw.stack(level=['source', 'source_type', 'year',\n",
@@ -1001,127 +588,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>unit</th>\n",
-       "      <th>product</th>\n",
-       "      <th>indic_nrg</th>\n",
-       "      <th>geo\\time</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>value</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>AL</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>98</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>5561</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>BA</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>2065</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>BE</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>7182</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>BG</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>3635</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  unit  product   indic_nrg geo\\time    source         source_type  \\\n",
-       "0   MW     9007  12_1176011       AL  EUROSTAT  Statistical Office   \n",
-       "1   MW     9007  12_1176011       AT  EUROSTAT  Statistical Office   \n",
-       "2   MW     9007  12_1176011       BA  EUROSTAT  Statistical Office   \n",
-       "3   MW     9007  12_1176011       BE  EUROSTAT  Statistical Office   \n",
-       "4   MW     9007  12_1176011       BG  EUROSTAT  Statistical Office   \n",
-       "\n",
-       "                       type   year  value  \n",
-       "0  Installed capacity in MW  2016     98   \n",
-       "1  Installed capacity in MW  2016   5561   \n",
-       "2  Installed capacity in MW  2016   2065   \n",
-       "3  Installed capacity in MW  2016   7182   \n",
-       "4  Installed capacity in MW  2016   3635   "
-      ]
-     },
-     "execution_count": 12,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_eurostat = pd.melt(data_eurostat, id_vars=['unit', 'product',\n",
     "                                                'indic_nrg', 'geo\\\\time',\n",
@@ -1191,7 +660,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1209,158 +678,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>unit</th>\n",
-       "      <th>product</th>\n",
-       "      <th>indic_nrg</th>\n",
-       "      <th>geo\\time</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>value</th>\n",
-       "      <th>indic</th>\n",
-       "      <th>description</th>\n",
-       "      <th>energy source</th>\n",
-       "      <th>comment</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>AL</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>98.0</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>Electrical capacity, main activity producers -...</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>5561.0</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>Electrical capacity, main activity producers -...</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>BA</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>2065.0</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>Electrical capacity, main activity producers -...</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>BE</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>7182.0</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>Electrical capacity, main activity producers -...</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>MW</td>\n",
-       "      <td>9007</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>BG</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>3635.0</td>\n",
-       "      <td>12_1176011</td>\n",
-       "      <td>Electrical capacity, main activity producers -...</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  unit  product   indic_nrg geo\\time    source         source_type  \\\n",
-       "0   MW     9007  12_1176011       AL  EUROSTAT  Statistical Office   \n",
-       "1   MW     9007  12_1176011       AT  EUROSTAT  Statistical Office   \n",
-       "2   MW     9007  12_1176011       BA  EUROSTAT  Statistical Office   \n",
-       "3   MW     9007  12_1176011       BE  EUROSTAT  Statistical Office   \n",
-       "4   MW     9007  12_1176011       BG  EUROSTAT  Statistical Office   \n",
-       "\n",
-       "                       type  year   value       indic  \\\n",
-       "0  Installed capacity in MW  2016    98.0  12_1176011   \n",
-       "1  Installed capacity in MW  2016  5561.0  12_1176011   \n",
-       "2  Installed capacity in MW  2016  2065.0  12_1176011   \n",
-       "3  Installed capacity in MW  2016  7182.0  12_1176011   \n",
-       "4  Installed capacity in MW  2016  3635.0  12_1176011   \n",
-       "\n",
-       "                                         description energy source comment  \n",
-       "0  Electrical capacity, main activity producers -...  Fossil fuels          \n",
-       "1  Electrical capacity, main activity producers -...  Fossil fuels          \n",
-       "2  Electrical capacity, main activity producers -...  Fossil fuels          \n",
-       "3  Electrical capacity, main activity producers -...  Fossil fuels          \n",
-       "4  Electrical capacity, main activity producers -...  Fossil fuels          "
-      ]
-     },
-     "execution_count": 14,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_eurostat = data_eurostat[data_eurostat['energy source'].isnull() == False]\n",
     "\n",
@@ -1396,121 +716,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>country</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>comment</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>98.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>5561.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>BA</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>2065.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>BE</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>7182.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>BG</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>3635.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  country    source         source_type                      type  year  \\\n",
-       "0      AL  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "1      AT  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "2      BA  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "3      BE  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "4      BG  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "\n",
-       "   capacity    technology comment  \n",
-       "0      98.0  Fossil fuels          \n",
-       "1    5561.0  Fossil fuels          \n",
-       "2    2065.0  Fossil fuels          \n",
-       "3    7182.0  Fossil fuels          \n",
-       "4    3635.0  Fossil fuels          "
-      ]
-     },
-     "execution_count": 15,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_eurostat = data_eurostat.drop(['unit', 'product', 'indic_nrg',\n",
     "                                    'indic', 'description'], axis=1)\n",
@@ -1524,121 +732,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>country</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>comment</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>98.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>5561.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>BA</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>2065.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>BE</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>7182.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>BG</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2016</td>\n",
-       "      <td>3635.0</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  country    source         source_type                      type  year  \\\n",
-       "0      AL  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "1      AT  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "2      BA  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "3      BE  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "4      BG  EUROSTAT  Statistical Office  Installed capacity in MW  2016   \n",
-       "\n",
-       "   capacity    technology comment  \n",
-       "0      98.0  Fossil fuels          \n",
-       "1    5561.0  Fossil fuels          \n",
-       "2    2065.0  Fossil fuels          \n",
-       "3    7182.0  Fossil fuels          \n",
-       "4    3635.0  Fossil fuels          "
-      ]
-     },
-     "execution_count": 16,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_eurostat['country'] = data_eurostat['country'].replace('UK', 'GB')\n",
     "data_eurostat['country'] = data_eurostat['country'].replace('EL', 'GR')\n",
@@ -1656,121 +752,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>technology</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>type</th>\n",
-       "      <th>country</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>comment</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>AL</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>BA</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>BE</td>\n",
-       "      <td>1.0</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>BG</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "           technology    source         source_type  year  \\\n",
-       "0  Biomass and biogas  EUROSTAT  Statistical Office  1990   \n",
-       "1  Biomass and biogas  EUROSTAT  Statistical Office  1990   \n",
-       "2  Biomass and biogas  EUROSTAT  Statistical Office  1990   \n",
-       "3  Biomass and biogas  EUROSTAT  Statistical Office  1990   \n",
-       "4  Biomass and biogas  EUROSTAT  Statistical Office  1990   \n",
-       "\n",
-       "                       type country  capacity comment  \n",
-       "0  Installed capacity in MW      AL       0.0          \n",
-       "1  Installed capacity in MW      AT       0.0          \n",
-       "2  Installed capacity in MW      BA       0.0          \n",
-       "3  Installed capacity in MW      BE       1.0          \n",
-       "4  Installed capacity in MW      BG       0.0          "
-      ]
-     },
-     "execution_count": 17,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_eurostat = pd.DataFrame(data_eurostat.groupby(['technology', 'source',\n",
     "                                                    'source_type', 'year',\n",
@@ -1808,7 +792,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1920,7 +904,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1968,7 +952,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -2009,127 +993,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>comment</th>\n",
-       "      <th>country</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td></td>\n",
-       "      <td>AL</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Unknown</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td></td>\n",
-       "      <td>AT</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Unknown</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td></td>\n",
-       "      <td>BA</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Unknown</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>1.0</td>\n",
-       "      <td></td>\n",
-       "      <td>BE</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Unknown</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td></td>\n",
-       "      <td>BG</td>\n",
-       "      <td>EUROSTAT</td>\n",
-       "      <td>Statistical Office</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>1990</td>\n",
-       "      <td>Unknown</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "   capacity comment country    source         source_type          technology  \\\n",
-       "0       0.0              AL  EUROSTAT  Statistical Office  Biomass and biogas   \n",
-       "1       0.0              AT  EUROSTAT  Statistical Office  Biomass and biogas   \n",
-       "2       0.0              BA  EUROSTAT  Statistical Office  Biomass and biogas   \n",
-       "3       1.0              BE  EUROSTAT  Statistical Office  Biomass and biogas   \n",
-       "4       0.0              BG  EUROSTAT  Statistical Office  Biomass and biogas   \n",
-       "\n",
-       "                       type  year capacity_definition  \n",
-       "0  Installed capacity in MW  1990             Unknown  \n",
-       "1  Installed capacity in MW  1990             Unknown  \n",
-       "2  Installed capacity in MW  1990             Unknown  \n",
-       "3  Installed capacity in MW  1990             Unknown  \n",
-       "4  Installed capacity in MW  1990             Unknown  "
-      ]
-     },
-     "execution_count": 21,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_eurostat['source'] = 'EUROSTAT'\n",
     "data_eurostat['source_type'] = 'Statistical Office'\n",
@@ -2155,123 +1021,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": null,
    "metadata": {
     "scrolled": true
    },
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>country</th>\n",
-       "      <th>year</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>type</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>fossil_fuels</td>\n",
-       "      <td>7389.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>hydro</td>\n",
-       "      <td>12665.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>nuclear</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>of which biomass</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>of which pumped storage</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  country  year               technology  capacity             source  \\\n",
-       "0      AT  2010             fossil_fuels    7389.0  entsoe Statistics   \n",
-       "1      AT  2010                    hydro   12665.0  entsoe Statistics   \n",
-       "2      AT  2010                  nuclear       0.0  entsoe Statistics   \n",
-       "3      AT  2010         of which biomass       0.0  entsoe Statistics   \n",
-       "4      AT  2010  of which pumped storage       0.0  entsoe Statistics   \n",
-       "\n",
-       "         source_type capacity_definition                      type  \n",
-       "0  Other association        Net capacity  Installed capacity in MW  \n",
-       "1  Other association        Net capacity  Installed capacity in MW  \n",
-       "2  Other association        Net capacity  Installed capacity in MW  \n",
-       "3  Other association        Net capacity  Installed capacity in MW  \n",
-       "4  Other association        Net capacity  Installed capacity in MW  "
-      ]
-     },
-     "execution_count": 22,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_entsoe = pd.melt(data_entsoe_raw,\n",
     "                      id_vars=['country', 'year', 'representativity'],\n",
@@ -2312,121 +1066,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>country</th>\n",
-       "      <th>year</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>type</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>7389.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>Hydro</td>\n",
-       "      <td>12665.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>Nuclear</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>AT</td>\n",
-       "      <td>2010</td>\n",
-       "      <td>Pumped storage</td>\n",
-       "      <td>0.0</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  country  year          technology  capacity             source  \\\n",
-       "0      AT  2010        Fossil fuels    7389.0  entsoe Statistics   \n",
-       "1      AT  2010               Hydro   12665.0  entsoe Statistics   \n",
-       "2      AT  2010             Nuclear       0.0  entsoe Statistics   \n",
-       "3      AT  2010  Biomass and biogas       0.0  entsoe Statistics   \n",
-       "4      AT  2010      Pumped storage       0.0  entsoe Statistics   \n",
-       "\n",
-       "         source_type capacity_definition                      type  \n",
-       "0  Other association        Net capacity  Installed capacity in MW  \n",
-       "1  Other association        Net capacity  Installed capacity in MW  \n",
-       "2  Other association        Net capacity  Installed capacity in MW  \n",
-       "3  Other association        Net capacity  Installed capacity in MW  \n",
-       "4  Other association        Net capacity  Installed capacity in MW  "
-      ]
-     },
-     "execution_count": 23,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "dict_energy_source = {'hydro': 'Hydro',\n",
     "                      'of which storage': 'Reservoir',\n",
@@ -2464,17 +1106,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Skipping combination:  CH 2015\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "country_list = data_entsoe.country.unique()\n",
     "year_list = data_entsoe.year.unique()\n",
@@ -2587,128 +1221,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Skipping combination:  CH 2015\n"
-     ]
-    },
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>country</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>7389.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>12665.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Hydro</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Nuclear</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Pumped storage</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "   capacity capacity_definition country             source        source_type  \\\n",
-       "0    7389.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "1   12665.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "2       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "3       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "4       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "\n",
-       "           technology                      type  year  \n",
-       "0        Fossil fuels  Installed capacity in MW  2010  \n",
-       "1               Hydro  Installed capacity in MW  2010  \n",
-       "2             Nuclear  Installed capacity in MW  2010  \n",
-       "3  Biomass and biogas  Installed capacity in MW  2010  \n",
-       "4      Pumped storage  Installed capacity in MW  2010  "
-      ]
-     },
-     "execution_count": 25,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "table_to_append = pd.DataFrame(columns=col_list)\n",
     "table_to_append['year'] = table_to_append['year'].astype(int)\n",
@@ -2754,128 +1269,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Skipping combination:  CH 2015\n"
-     ]
-    },
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>country</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>7389.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>12665.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Hydro</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Nuclear</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Pumped storage</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "   capacity capacity_definition country             source        source_type  \\\n",
-       "0    7389.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "1   12665.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "2       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "3       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "4       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "\n",
-       "           technology                      type  year  \n",
-       "0        Fossil fuels  Installed capacity in MW  2010  \n",
-       "1               Hydro  Installed capacity in MW  2010  \n",
-       "2             Nuclear  Installed capacity in MW  2010  \n",
-       "3  Biomass and biogas  Installed capacity in MW  2010  \n",
-       "4      Pumped storage  Installed capacity in MW  2010  "
-      ]
-     },
-     "execution_count": 26,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "table_to_append = pd.DataFrame(columns=['country', 'year', 'technology', 'capacity'])\n",
     "table_to_append['year'] = table_to_append['year'].astype(int)\n",
@@ -2922,121 +1318,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>country</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>7389.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>12665.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Hydro</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Nuclear</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>0.0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AT</td>\n",
-       "      <td>entsoe Statistics</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Pumped storage</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2010</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "   capacity capacity_definition country             source        source_type  \\\n",
-       "0    7389.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "1   12665.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "2       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "3       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "4       0.0        Net capacity      AT  entsoe Statistics  Other association   \n",
-       "\n",
-       "           technology                      type  year  \n",
-       "0        Fossil fuels  Installed capacity in MW  2010  \n",
-       "1               Hydro  Installed capacity in MW  2010  \n",
-       "2             Nuclear  Installed capacity in MW  2010  \n",
-       "3  Biomass and biogas  Installed capacity in MW  2010  \n",
-       "4      Pumped storage  Installed capacity in MW  2010  "
-      ]
-     },
-     "execution_count": 27,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_entsoe['source'] = 'entsoe Statistics'\n",
     "data_entsoe['source_type'] = 'Other association'\n",
@@ -3062,121 +1346,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 28,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>country</th>\n",
-       "      <th>year</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>type</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Adequacy Reference Margin</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Biomass</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Export Capacity</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Fossil Fuels</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Gas</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  country  year                 technology capacity       source  \\\n",
-       "0      AL  2011  Adequacy Reference Margin        0  entsoe SOAF   \n",
-       "1      AL  2011                    Biomass        0  entsoe SOAF   \n",
-       "2      AL  2011            Export Capacity        0  entsoe SOAF   \n",
-       "3      AL  2011               Fossil Fuels        0  entsoe SOAF   \n",
-       "4      AL  2011                        Gas        0  entsoe SOAF   \n",
-       "\n",
-       "         source_type capacity_definition                      type  \n",
-       "0  Other association        Net capacity  Installed capacity in MW  \n",
-       "1  Other association        Net capacity  Installed capacity in MW  \n",
-       "2  Other association        Net capacity  Installed capacity in MW  \n",
-       "3  Other association        Net capacity  Installed capacity in MW  \n",
-       "4  Other association        Net capacity  Installed capacity in MW  "
-      ]
-     },
-     "execution_count": 28,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_soaf = data_soaf.reset_index()\n",
     "data_soaf = data_soaf.rename(columns={'level_0': 'technology',\n",
@@ -3213,121 +1385,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>country</th>\n",
-       "      <th>year</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>type</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Natural gas</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>5</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Hard coal</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>6</th>\n",
-       "      <td>AL</td>\n",
-       "      <td>2011</td>\n",
-       "      <td>Hydro</td>\n",
-       "      <td>0</td>\n",
-       "      <td>entsoe SOAF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  country  year          technology capacity       source        source_type  \\\n",
-       "1      AL  2011  Biomass and biogas        0  entsoe SOAF  Other association   \n",
-       "3      AL  2011        Fossil fuels        0  entsoe SOAF  Other association   \n",
-       "4      AL  2011         Natural gas        0  entsoe SOAF  Other association   \n",
-       "5      AL  2011           Hard coal        0  entsoe SOAF  Other association   \n",
-       "6      AL  2011               Hydro        0  entsoe SOAF  Other association   \n",
-       "\n",
-       "  capacity_definition                      type  \n",
-       "1        Net capacity  Installed capacity in MW  \n",
-       "3        Net capacity  Installed capacity in MW  \n",
-       "4        Net capacity  Installed capacity in MW  \n",
-       "5        Net capacity  Installed capacity in MW  \n",
-       "6        Net capacity  Installed capacity in MW  "
-      ]
-     },
-     "execution_count": 29,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "dict_technologies = {'Nuclear Power': 'Nuclear',\n",
     "                     'Fossil Fuels': 'Fossil fuels',\n",
@@ -3390,7 +1450,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 30,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -3514,24 +1574,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "C:\\ProgramData\\Anaconda3\\lib\\site-packages\\pandas\\core\\frame.py:6201: FutureWarning: Sorting because non-concatenation axis is not aligned. A future version\n",
-      "of pandas will change to not sort by default.\n",
-      "\n",
-      "To accept the future behavior, pass 'sort=True'.\n",
-      "\n",
-      "To retain the current behavior and silence the warning, pass sort=False\n",
-      "\n",
-      "  sort=sort)\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "table_to_append = pd.DataFrame(columns=['country', 'year', 'technology', 'capacity'])\n",
     "table_to_append['year'] = table_to_append['year'].astype(int)\n",
@@ -3591,121 +1636,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>country</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>technology</th>\n",
-       "      <th>type</th>\n",
-       "      <th>year</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AL</td>\n",
-       "      <td>entsoe SO&amp;AF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Biomass and biogas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2011</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AL</td>\n",
-       "      <td>entsoe SO&amp;AF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2011</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AL</td>\n",
-       "      <td>entsoe SO&amp;AF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Natural gas</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2011</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>5</th>\n",
-       "      <td>0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AL</td>\n",
-       "      <td>entsoe SO&amp;AF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Hard coal</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2011</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>6</th>\n",
-       "      <td>0</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>AL</td>\n",
-       "      <td>entsoe SO&amp;AF</td>\n",
-       "      <td>Other association</td>\n",
-       "      <td>Hydro</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>2011</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "  capacity capacity_definition country        source        source_type  \\\n",
-       "1        0        Net capacity      AL  entsoe SO&AF  Other association   \n",
-       "3        0        Net capacity      AL  entsoe SO&AF  Other association   \n",
-       "4        0        Net capacity      AL  entsoe SO&AF  Other association   \n",
-       "5        0        Net capacity      AL  entsoe SO&AF  Other association   \n",
-       "6        0        Net capacity      AL  entsoe SO&AF  Other association   \n",
-       "\n",
-       "           technology                      type  year  \n",
-       "1  Biomass and biogas  Installed capacity in MW  2011  \n",
-       "3        Fossil fuels  Installed capacity in MW  2011  \n",
-       "4         Natural gas  Installed capacity in MW  2011  \n",
-       "5           Hard coal  Installed capacity in MW  2011  \n",
-       "6               Hydro  Installed capacity in MW  2011  "
-      ]
-     },
-     "execution_count": 32,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data_soaf['source'] = 'entsoe SO&AF'\n",
     "data_soaf['source_type'] = 'Other association'\n",
@@ -3724,127 +1657,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 33,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>technology</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>type</th>\n",
-       "      <th>country</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>comment</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2013</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1240.00</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2014</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1766.00</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2015</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1442.97</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Anre</td>\n",
-       "      <td>Regulatory Authority</td>\n",
-       "      <td>2013</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>RO</td>\n",
-       "      <td>Unknown</td>\n",
-       "      <td>12079.00</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Anre</td>\n",
-       "      <td>Regulatory Authority</td>\n",
-       "      <td>2014</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>RO</td>\n",
-       "      <td>Unknown</td>\n",
-       "      <td>12102.00</td>\n",
-       "      <td></td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "     technology                source           source_type  year  \\\n",
-       "0  Fossil fuels  Agencija za energijo              Ministry  2013   \n",
-       "1  Fossil fuels  Agencija za energijo              Ministry  2014   \n",
-       "2  Fossil fuels  Agencija za energijo              Ministry  2015   \n",
-       "3  Fossil fuels                  Anre  Regulatory Authority  2013   \n",
-       "4  Fossil fuels                  Anre  Regulatory Authority  2014   \n",
-       "\n",
-       "                       type country capacity_definition  capacity comment  \n",
-       "0  Installed capacity in MW      SI        Net capacity   1240.00          \n",
-       "1  Installed capacity in MW      SI        Net capacity   1766.00          \n",
-       "2  Installed capacity in MW      SI        Net capacity   1442.97          \n",
-       "3  Installed capacity in MW      RO             Unknown  12079.00          \n",
-       "4  Installed capacity in MW      RO             Unknown  12102.00          "
-      ]
-     },
-     "execution_count": 33,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "data = pd.concat([data_opsd, data_eurostat, data_soaf, data_entsoe], sort=False)\n",
     "data = data.reset_index(drop=True)\n",
@@ -3885,171 +1700,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<div>\n",
-       "<style scoped>\n",
-       "    .dataframe tbody tr th:only-of-type {\n",
-       "        vertical-align: middle;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe tbody tr th {\n",
-       "        vertical-align: top;\n",
-       "    }\n",
-       "\n",
-       "    .dataframe thead th {\n",
-       "        text-align: right;\n",
-       "    }\n",
-       "</style>\n",
-       "<table border=\"1\" class=\"dataframe\">\n",
-       "  <thead>\n",
-       "    <tr style=\"text-align: right;\">\n",
-       "      <th></th>\n",
-       "      <th>technology</th>\n",
-       "      <th>source</th>\n",
-       "      <th>source_type</th>\n",
-       "      <th>year</th>\n",
-       "      <th>type</th>\n",
-       "      <th>country</th>\n",
-       "      <th>capacity_definition</th>\n",
-       "      <th>capacity</th>\n",
-       "      <th>comment</th>\n",
-       "      <th>energy_source_level_0</th>\n",
-       "      <th>energy_source_level_1</th>\n",
-       "      <th>energy_source_level_2</th>\n",
-       "      <th>energy_source_level_3</th>\n",
-       "      <th>technology_level</th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
-       "      <th>0</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2013</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1240.00</td>\n",
-       "      <td></td>\n",
-       "      <td>False</td>\n",
-       "      <td>True</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>1</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2014</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1766.00</td>\n",
-       "      <td></td>\n",
-       "      <td>False</td>\n",
-       "      <td>True</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>2</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Agencija za energijo</td>\n",
-       "      <td>Ministry</td>\n",
-       "      <td>2015</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>SI</td>\n",
-       "      <td>Net capacity</td>\n",
-       "      <td>1442.97</td>\n",
-       "      <td></td>\n",
-       "      <td>False</td>\n",
-       "      <td>True</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>3</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Anre</td>\n",
-       "      <td>Regulatory Authority</td>\n",
-       "      <td>2013</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>RO</td>\n",
-       "      <td>Unknown</td>\n",
-       "      <td>12079.00</td>\n",
-       "      <td></td>\n",
-       "      <td>False</td>\n",
-       "      <td>True</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>4</th>\n",
-       "      <td>Fossil fuels</td>\n",
-       "      <td>Anre</td>\n",
-       "      <td>Regulatory Authority</td>\n",
-       "      <td>2014</td>\n",
-       "      <td>Installed capacity in MW</td>\n",
-       "      <td>RO</td>\n",
-       "      <td>Unknown</td>\n",
-       "      <td>12102.00</td>\n",
-       "      <td></td>\n",
-       "      <td>False</td>\n",
-       "      <td>True</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "      <td>False</td>\n",
-       "    </tr>\n",
-       "  </tbody>\n",
-       "</table>\n",
-       "</div>"
-      ],
-      "text/plain": [
-       "     technology                source           source_type  year  \\\n",
-       "0  Fossil fuels  Agencija za energijo              Ministry  2013   \n",
-       "1  Fossil fuels  Agencija za energijo              Ministry  2014   \n",
-       "2  Fossil fuels  Agencija za energijo              Ministry  2015   \n",
-       "3  Fossil fuels                  Anre  Regulatory Authority  2013   \n",
-       "4  Fossil fuels                  Anre  Regulatory Authority  2014   \n",
-       "\n",
-       "                       type country capacity_definition  capacity comment  \\\n",
-       "0  Installed capacity in MW      SI        Net capacity   1240.00           \n",
-       "1  Installed capacity in MW      SI        Net capacity   1766.00           \n",
-       "2  Installed capacity in MW      SI        Net capacity   1442.97           \n",
-       "3  Installed capacity in MW      RO             Unknown  12079.00           \n",
-       "4  Installed capacity in MW      RO             Unknown  12102.00           \n",
-       "\n",
-       "  energy_source_level_0 energy_source_level_1 energy_source_level_2  \\\n",
-       "0                 False                  True                 False   \n",
-       "1                 False                  True                 False   \n",
-       "2                 False                  True                 False   \n",
-       "3                 False                  True                 False   \n",
-       "4                 False                  True                 False   \n",
-       "\n",
-       "  energy_source_level_3 technology_level  \n",
-       "0                 False            False  \n",
-       "1                 False            False  \n",
-       "2                 False            False  \n",
-       "3                 False            False  \n",
-       "4                 False            False  "
-      ]
-     },
-     "execution_count": 34,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "# Drop first rows\n",
     "energylevels = energylevels_raw[5:]\n",
@@ -4092,7 +1745,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -4122,7 +1775,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -4160,7 +1813,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 37,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -4199,7 +1852,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 38,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -4354,7 +2007,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -4363,7 +2016,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 40,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -4398,10 +2051,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 41,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
+    "output_path = 'output'\n",
+    "\n",
     "with open(os.path.join('input', 'metadata.yml'), 'r') as f:\n",
     "    metadata = yaml.load(f.read())\n",
     "    \n",