diff --git a/config.default.yaml b/config.default.yaml
index 3498a33b..ee4bb885 100644
--- a/config.default.yaml
+++ b/config.default.yaml
@@ -320,6 +320,7 @@ plotting:
     "today" : "#D2691E"
     "shipping" : "#6495ED"
     "electricity distribution grid" : "#333333"
+    'industry electricity': "black"
   nice_names:
     # OCGT: "Gas"
     # OCGT marginal: "Gas (marginal)"
diff --git a/config.myopic.yaml b/config.myopic.yaml
index 454a8525..8ad7f1b3 100644
--- a/config.myopic.yaml
+++ b/config.myopic.yaml
@@ -320,6 +320,7 @@ plotting:
     "today" : "#D2691E"
     "shipping" : "#6495ED"
     "electricity distribution grid" : "#333333"
+    'industry electricity': "black"
   nice_names:
     # OCGT: "Gas"
     # OCGT marginal: "Gas (marginal)"