diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index 70a73e2fc..b6db1b909 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -12,6 +12,8 @@ Upcoming Release
 
 * Updated Global Energy Monitor LNG terminal data to March 2023 version.
 
+* For industry distribution, use EPRTR as fallback if ETS data is not available.
+
 PyPSA-Eur 0.8.1 (27th July 2023)
 ================================
 
diff --git a/scripts/build_industrial_distribution_key.py b/scripts/build_industrial_distribution_key.py
index e93e43c2d..979a14935 100644
--- a/scripts/build_industrial_distribution_key.py
+++ b/scripts/build_industrial_distribution_key.py
@@ -115,7 +115,9 @@ def build_nodal_distribution_key(hotmaps, regions, countries):
         facilities = hotmaps.query("country == @country and Subsector == @sector")
 
         if not facilities.empty:
-            emissions = facilities["Emissions_ETS_2014"]
+            emissions = facilities["Emissions_ETS_2014"].fillna(
+                hotmaps["Emissions_EPRTR_2014"]
+            )
             if emissions.sum() == 0:
                 key = pd.Series(1 / len(facilities), facilities.index)
             else: