Merge remote-tracking branch 'origin/main' into refine_dh_areas

Author: cpschau

scripts/pypsa-de/additional_functionality.py

@@ -380,6 +380,11 @@ def add_national_co2_budgets(n, snakemake, national_co2_budgets, investment_year
     co2_total_totals = co2_totals[sectors].sum(axis=1) * nyears
 
     for ct in national_co2_budgets:
+        if ct != "DE":
+            logger.error(
+                f"CO2 budget for countries other than `DE` is not yet supported. Found country {ct}. Please check the config file."
+            )
+
         limit = co2_total_totals[ct] * national_co2_budgets[ct][investment_year]
         logger.info(
             f"Limiting emissions in country {ct} to {national_co2_budgets[ct][investment_year]:.1%} of "