diff --git a/scripts/solve_network.py b/scripts/solve_network.py
index a3a3f58c..7dbccb23 100644
--- a/scripts/solve_network.py
+++ b/scripts/solve_network.py
@@ -63,18 +63,18 @@ def _add_land_use_constraint(n):
         existing.index += " " + carrier + "-" + snakemake.wildcards.planning_horizons
         n.generators.loc[existing.index, "p_nom_max"] -= existing
 
-    # # check if existing capacities are larger than technical potential
-    # existing_large = n.generators[
-    #     n.generators["p_nom_min"] > n.generators["p_nom_max"]
-    # ].index
-    # if len(existing_large):
-    #     logger.warning(
-    #         f"Existing capacities larger than technical potential for {existing_large},\
-    #                    adjust technical potential to existing capacities"
-    #     )
-    #     n.generators.loc[existing_large, "p_nom_max"] = n.generators.loc[
-    #         existing_large, "p_nom_min"
-    #     ]
+    # check if existing capacities are larger than technical potential
+    existing_large = n.generators[
+        n.generators["p_nom_min"] > n.generators["p_nom_max"]
+    ].index
+    if len(existing_large):
+        logger.warning(
+            f"Existing capacities larger than technical potential for {existing_large},\
+                        adjust technical potential to existing capacities"
+        )
+        n.generators.loc[existing_large, "p_nom_max"] = n.generators.loc[
+            existing_large, "p_nom_min"
+        ]
 
     n.generators.p_nom_max.clip(lower=0, inplace=True)