From 7620a69d9c4def06a6c71391cb1bf1be2f0fadcf Mon Sep 17 00:00:00 2001
From: Alexandra Udaltsova <43303448+AUdaltsova@users.noreply.github.com>
Date: Wed, 7 Aug 2024 15:54:12 +0100
Subject: [PATCH 1/4] Update pv.py

---
 ocf_datapipes/load/pv/pv.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ocf_datapipes/load/pv/pv.py b/ocf_datapipes/load/pv/pv.py
index e22966ba3..bd836afab 100644
--- a/ocf_datapipes/load/pv/pv.py
+++ b/ocf_datapipes/load/pv/pv.py
@@ -225,7 +225,7 @@ def _load_pv_metadata(
 
     # Add ml_id column if not in metadata already
     if "ml_id" not in df_metadata.columns:
-        df_metadata["ml_id"] = np.nan
+        df_metadata["ml_id"] = 0.0
 
     if label == "solar_sheffield_passiv":
         # Add capacity in watts

From 20366929c393579f8c3d4f33d1a0ae8002fdf85b Mon Sep 17 00:00:00 2001
From: Alexandra Udaltsova <43303448+AUdaltsova@users.noreply.github.com>
Date: Wed, 7 Aug 2024 15:58:14 +0100
Subject: [PATCH 2/4] Update wind.py

---
 ocf_datapipes/load/wind/wind.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ocf_datapipes/load/wind/wind.py b/ocf_datapipes/load/wind/wind.py
index 4f78d1827..857091e16 100644
--- a/ocf_datapipes/load/wind/wind.py
+++ b/ocf_datapipes/load/wind/wind.py
@@ -73,7 +73,7 @@ def _load_wind_metadata(filename: str) -> pd.DataFrame:
 
     # Add ml_id column if not in metadata already
     if "ml_id" not in df_metadata.columns:
-        df_metadata["ml_id"] = np.nan
+        df_metadata["ml_id"] = 0.0
 
     _log.info(f"Found {len(df_metadata)} Wind systems in {filename}")
 

From f6781271e320af487d323e865d3455f992478544 Mon Sep 17 00:00:00 2001
From: Alexandra Udaltsova <43303448+AUdaltsova@users.noreply.github.com>
Date: Wed, 7 Aug 2024 16:56:46 +0100
Subject: [PATCH 3/4] change ml_id to -1 wind.py

---
 ocf_datapipes/load/wind/wind.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ocf_datapipes/load/wind/wind.py b/ocf_datapipes/load/wind/wind.py
index 857091e16..6bb724029 100644
--- a/ocf_datapipes/load/wind/wind.py
+++ b/ocf_datapipes/load/wind/wind.py
@@ -73,7 +73,7 @@ def _load_wind_metadata(filename: str) -> pd.DataFrame:
 
     # Add ml_id column if not in metadata already
     if "ml_id" not in df_metadata.columns:
-        df_metadata["ml_id"] = 0.0
+        df_metadata["ml_id"] = -1.0
 
     _log.info(f"Found {len(df_metadata)} Wind systems in {filename}")
 

From 2dc7a898a567c762bffdd486ab4dc72b60810310 Mon Sep 17 00:00:00 2001
From: Alexandra Udaltsova <43303448+AUdaltsova@users.noreply.github.com>
Date: Wed, 7 Aug 2024 16:57:20 +0100
Subject: [PATCH 4/4] change ml_id to -1 pv.py

---
 ocf_datapipes/load/pv/pv.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ocf_datapipes/load/pv/pv.py b/ocf_datapipes/load/pv/pv.py
index bd836afab..4a79ccb20 100644
--- a/ocf_datapipes/load/pv/pv.py
+++ b/ocf_datapipes/load/pv/pv.py
@@ -225,7 +225,7 @@ def _load_pv_metadata(
 
     # Add ml_id column if not in metadata already
     if "ml_id" not in df_metadata.columns:
-        df_metadata["ml_id"] = 0.0
+        df_metadata["ml_id"] = -1.0
 
     if label == "solar_sheffield_passiv":
         # Add capacity in watts