diff --git a/rules/build_electricity.smk b/rules/build_electricity.smk
index 3f353dd9..3c8969aa 100644
--- a/rules/build_electricity.smk
+++ b/rules/build_electricity.smk
@@ -428,7 +428,7 @@ rule build_line_rating:
 
 def input_profile_tech(w):
     return {
-        f"profile_{tech}": resources(f"profile{weather_year}_{tech}.nc")
+        f"profile_{tech}": resources(f"profile{{weather_year}}_{tech}.nc")
         for tech in config_provider("electricity", "renewable_carriers")(w)
     }
 
@@ -463,7 +463,7 @@ rule add_electricity:
             else resources("networks/base.nc")
         ),
         tech_costs=lambda w: resources(
-            f"costs_{config_provider('costs' , 'year') (w)}.csv"
+            f"costs_{config_provider('costs', 'year') (w)}.csv"
         ),
         regions=resources("regions_onshore.geojson"),
         powerplants=resources("powerplants.csv"),
@@ -508,7 +508,7 @@ rule simplify_network:
     input:
         network=resources("networks/elec{weather_year}.nc"),
         tech_costs=lambda w: resources(
-            f"costs_{config_provider('costs' , 'year') (w)}.csv"
+            f"costs_{config_provider('costs', 'year') (w)}.csv"
         ),
         regions_onshore=resources("regions_onshore.geojson"),
         regions_offshore=resources("regions_offshore.geojson"),
@@ -561,7 +561,7 @@ rule cluster_network:
             else []
         ),
         tech_costs=lambda w: resources(
-            f"costs_{config_provider('costs' , 'year') (w)}.csv"
+            f"costs_{config_provider('costs', 'year') (w)}.csv"
         ),
     output:
         network=resources("networks/elec{weather_year}_s{simpl}_{clusters}.nc"),
@@ -594,7 +594,7 @@ rule add_extra_components:
     input:
         network=resources("networks/elec{weather_year}_s{simpl}_{clusters}.nc"),
         tech_costs=lambda w: resources(
-            f"costs_{config_provider('costs' , 'year') (w)}.csv"
+            f"costs_{config_provider('costs', 'year') (w)}.csv"
         ),
     output:
         resources("networks/elec{weather_year}_s{simpl}_{clusters}_ec.nc"),
@@ -628,7 +628,7 @@ rule prepare_network:
     input:
         resources("networks/elec{weather_year}_s{simpl}_{clusters}_ec.nc"),
         tech_costs=lambda w: resources(
-            f"costs_{config_provider('costs' , 'year') (w)}.csv"
+            f"costs_{config_provider('costs', 'year') (w)}.csv"
         ),
         co2_price=lambda w: resources("co2_price.csv") if "Ept" in w.opts else [],
     output: