diff --git a/checksums.txt b/checksums.txt
index 45a52bd..0511ace 100644
--- a/checksums.txt
+++ b/checksums.txt
@@ -1,4 +1,4 @@
-national_generation_capacity.xlsx,3b3104b1a4ab90f395188e89fcaf298831a23b237032681fb0c7d64bc0d457cd
-national_generation_capacity_stacked.csv,cda7b21f4f4331cc2711aebc1c8dbe615695fc02df298344b62c3901dbce4690
-national_generation_capacity_stacked.xlsx,4db70c859b1ba98b579db12be2f4fbfed0b489198dfec0d4b971c2dc87d002e9
-national_generation_capacity.sqlite,209deb651ef4538e4645e7072f68d9be5724f0536ae396529d6435cb1821fc4f
+national_generation_capacity.xlsx,c75be46279f24acadf1b2ce86e60db398753e554f430e5cbbbef37c621dba738
+national_generation_capacity_stacked.csv,c5440a05ddcea06f6c523f4fc8086169021b7dc6076df33a95176630e297b5db
+national_generation_capacity_stacked.xlsx,cc1f41bb210965cf5863491d71b805c1f3a31db2ead08a4b517aa88b3e203875
+national_generation_capacity.sqlite,57594fed8dffea57f3a464bfe4b2b7abf4fe5c3fc844c89ce09e2ae99079a607
diff --git a/processing.ipynb b/processing.ipynb
index 5bc0010..c3ac930 100644
--- a/processing.ipynb
+++ b/processing.ipynb
@@ -778,7 +778,9 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
     "# add missing categories\n",
@@ -833,6 +835,8 @@
     "                      var_name='technology',\n",
     "                      value_name='capacity')\n",
     "\n",
+    "data_transparency = data_transparency.loc[data_transparency[\"year\"] < 2020, :]\n",
+    "\n",
     "data_transparency['source'] = 'ENTSO-E Transparency Platform'\n",
     "data_transparency['source_type'] = 'Other association'\n",
     "data_transparency['capacity_definition'] = 'Net capacity'\n",