diff --git a/scripts/prepare_sector_network.py b/scripts/prepare_sector_network.py
index 82578c29..b46cc24d 100755
--- a/scripts/prepare_sector_network.py
+++ b/scripts/prepare_sector_network.py
@@ -467,6 +467,9 @@ def add_carrier_buses(n, carrier, nodes=None):
         * costs.at[carrier, "discount rate"],  # preliminary value to avoid zeros
     )
 
+    if carrier == 'gas':
+        return
+
     n.madd(
         "Generator",
         nodes,