diff --git a/config.default.yaml b/config.default.yaml
index 61bc31f7..e954aabd 100644
--- a/config.default.yaml
+++ b/config.default.yaml
@@ -86,6 +86,7 @@ sector:
   'use_fuel_cell_waste_heat' : True
   'electricity_distribution_grid' : False
   'electricity_distribution_grid_cost_factor' : 1.0  #multiplies cost in data/costs.csv
+  'electricity_grid_connection' : True  # only applies to onshore wind and utility PV
 
 costs:
   year: 2030
diff --git a/data/costs.csv b/data/costs.csv
index af07c0c6..79eb17f1 100644
--- a/data/costs.csv
+++ b/data/costs.csv
@@ -242,6 +242,9 @@ HVDC inverter pair,2030,FOM,2,%/year,Hagspiel
 electricity distribution grid,2030,investment,500,EUR/kW,TODO
 electricity distribution grid,2030,lifetime,40,years,TODO
 electricity distribution grid,2030,FOM,2,%/year,TODO
+electricity grid connection,2030,investment,140,EUR/kW,DEA
+electricity grid connection,2030,lifetime,40,years,TODO
+electricity grid connection,2030,FOM,2,%/year,TODO
 decentral oil boiler,2030,investment,156.0140915953699,EUR/kWth,Palzer thesis (https://energiesysteme-zukunft.de/fileadmin/user_upload/Publikationen/PDFs/ESYS_Materialien_Optimierungsmodell_REMod-D.pdf) (+eigene Berechnung)
 decentral oil boiler,2030,lifetime,20.0,years,Palzer thesis (https://energiesysteme-zukunft.de/fileadmin/user_upload/Publikationen/PDFs/ESYS_Materialien_Optimierungsmodell_REMod-D.pdf)
 decentral oil boiler,2030,FOM,2.0,%/year,Palzer thesis (https://energiesysteme-zukunft.de/fileadmin/user_upload/Publikationen/PDFs/ESYS_Materialien_Optimierungsmodell_REMod-D.pdf)
diff --git a/scripts/prepare_sector_network.py b/scripts/prepare_sector_network.py
index 9e1f7e51..c5c684ed 100644
--- a/scripts/prepare_sector_network.py
+++ b/scripts/prepare_sector_network.py
@@ -608,7 +608,13 @@ def insert_electricity_distribution_grid(network):
                  marginal_cost=options['marginal_cost_storage'],
                  p_nom_extendable=True)
 
+def add_electricity_grid_connection(network):
 
+    carriers = ["onwind","solar"]
+
+    gens = network.generators.index[network.generators.carrier.isin(carriers)]
+
+    network.generators.loc[gens,"capital_cost"] += costs.at['electricity grid connection','fixed']
 
 def add_storage(network):
     print("adding electricity storage")
@@ -1623,5 +1629,7 @@ if __name__ == "__main__":
 
     if snakemake.config["sector"]['electricity_distribution_grid']:
         insert_electricity_distribution_grid(n)
+    if snakemake.config["sector"]['electricity_grid_connection']:
+        add_electricity_grid_connection(n)
 
     n.export_to_netcdf(snakemake.output[0])