Force Onshore Wind to South Germany

Changelog.md

@@ -1,4 +1,5 @@
 # Changelog
+- Force onwind south by increasing minimum capacity and decreasing capacity per sqkm
 - Adjusting aviation demand (from Aladin) and emission accounting (only domestic aviation for national target)
 - Increase HVC_environment_sequestration_fraction from 0.1 to 0.6
 - Disallow HVC to air in DE

config/config.yaml

@@ -4,7 +4,7 @@
 
 # docs in https://pypsa-eur.readthedocs.io/en/latest/configuration.html#run
 run:
-  prefix: 20241203-fix-aviation
+  prefix: 20241203-force-onwind-south
   name:
   # - CurrentPolicies
   - KN2045_Bal_v4
@@ -103,7 +103,7 @@ atlite:
 
 renewable:
   onwind:
-    capacity_per_sqkm: 2
+    capacity_per_sqkm: 1.4
     cutout: europe-2019-sarah3-era5
     correction_factor: 0.95
     resource:
@@ -494,10 +494,10 @@ solving:
       Generator:
         onwind:
           DE:
-            2030: 99   # Wind-an-Land Law 2028
+            2030: 99    # Wind-an-Land Law 2028
             2035: 115   # Wind-an-Land Law 2030
-            2040: 115   # Wind-an-Land Law
-            2045: 115
+            2040: 157   # target 2035
+            2045: 160   # target 2040
         offwind:
           DE:
             2030: 22.5   # 75% Wind-auf-See Law

workflow/scripts/build_scenarios.py

@@ -21,9 +21,7 @@ def get_transport_growth(df, planning_horizons):
     try:
         aviation = df.loc["Final Energy|Bunkers|Aviation", "PJ/yr"]
     except KeyError:
-        aviation = (
-            df.loc["Final Energy|Bunkers|Aviation", "TWh/yr"] * 3.6
-        )  # TWh to PJ
+        aviation = df.loc["Final Energy|Bunkers|Aviation", "TWh/yr"] * 3.6  # TWh to PJ
 
     aviation_growth_factor = aviation / aviation[2020]
 
@@ -165,7 +163,8 @@ def write_to_scenario_yaml(input, output, scenarios, df):
         ]  # for 2050 we still need data
 
         aviation_demand_factor = get_transport_growth(
-            df.loc[snakemake.params.leitmodelle["transport"], reference_scenario, :], planning_horizons
+            df.loc[snakemake.params.leitmodelle["transport"], reference_scenario, :],
+            planning_horizons,
         )
 
         if reference_scenario.startswith(