Replace bioenergy stores with generators

scripts/prepare_sector_network.py

@@ -2888,38 +2888,29 @@ def add_biomass(n, costs):
         )
 
     if biomass_potentials.filter(like="unsustainable").sum().sum() > 0:
-        # Create timeseries to force usage of unsustainable potentials
-        e_max_pu = pd.DataFrame(1, index=n.snapshots, columns=spatial.biogas.nodes)
-        e_max_pu.iloc[-1] = 0
-
         n.add(
-            "Store",
+            "Generator",
             spatial.biogas.nodes,
             suffix=" unsustainable",
             bus=spatial.biogas.nodes,
             carrier="unsustainable biogas",
-            e_nom=unsustainable_biogas_potentials_spatial,
+            p_nom=unsustainable_biogas_potentials_spatial,
+            p_nom_extendable=False,
             marginal_cost=costs.at["biogas", "fuel"],
-            e_initial=unsustainable_biogas_potentials_spatial,
-            e_nom_extendable=False,
-            e_max_pu=e_max_pu,
+            e_sum_min=unsustainable_biogas_potentials_spatial,
+            e_sum_max=unsustainable_biogas_potentials_spatial,
         )
 
-        e_max_pu = pd.DataFrame(
-            1, index=n.snapshots, columns=spatial.biomass.nodes_unsustainable
-        )
-        e_max_pu.iloc[-1] = 0
-
         n.add(
-            "Store",
+            "Generator",
             spatial.biomass.nodes_unsustainable,
             bus=spatial.biomass.nodes,
             carrier="unsustainable solid biomass",
-            e_nom=unsustainable_solid_biomass_potentials_spatial,
+            p_nom=unsustainable_solid_biomass_potentials_spatial,
+            p_nom_extendable=False,
             marginal_cost=costs.at["fuelwood", "fuel"],
-            e_initial=unsustainable_solid_biomass_potentials_spatial,
-            e_nom_extendable=False,
-            e_max_pu=e_max_pu,
+            e_sum_min=unsustainable_solid_biomass_potentials_spatial,
+            e_sum_max=unsustainable_solid_biomass_potentials_spatial,
         )
 
         n.add(
@@ -2930,21 +2921,16 @@ def add_biomass(n, costs):
             unit="MWh_LHV",
         )
 
-        e_max_pu = pd.DataFrame(
-            1, index=n.snapshots, columns=spatial.biomass.bioliquids
-        )
-        e_max_pu.iloc[-1] = 0
-
         n.add(
-            "Store",
+            "Generator",
             spatial.biomass.bioliquids,
             bus=spatial.biomass.bioliquids,
             carrier="unsustainable bioliquids",
-            e_nom=unsustainable_liquid_biofuel_potentials_spatial,
+            p_nom=unsustainable_liquid_biofuel_potentials_spatial,
+            p_nom_extendable=False,
             marginal_cost=costs.at["biodiesel crops", "fuel"],
-            e_initial=unsustainable_liquid_biofuel_potentials_spatial,
-            e_nom_extendable=False,
-            e_max_pu=e_max_pu,
+            e_sum_min=unsustainable_liquid_biofuel_potentials_spatial,
+            e_sum_max=unsustainable_liquid_biofuel_potentials_spatial,
         )
 
         add_carrier_buses(n, "oil")
@@ -3071,6 +3057,7 @@ def add_biomass(n, costs):
         n.add(
             "Generator",
             spatial.biomass.nodes,
+            suffix=" transported",
             bus=spatial.biomass.nodes,
             carrier="solid biomass",
             p_nom=10000,
@@ -3089,6 +3076,7 @@ def add_biomass(n, costs):
             n.add(
                 "Generator",
                 spatial.biomass.nodes_unsustainable,
+                suffix=" transported",
                 bus=spatial.biomass.nodes,
                 carrier="unsustainable solid biomass",
                 p_nom=10000,
@@ -3100,14 +3088,15 @@ def add_biomass(n, costs):
                 )
                 * average_distance,
             )
-            # Set last snapshot of e_max_pu for unsustainable solid biomass to 1 to make operational limit work
-            unsus_stores_idx = n.stores.query(
-                "carrier == 'unsustainable solid biomass'"
-            ).index
-            unsus_stores_idx = unsus_stores_idx.intersection(
-                n.stores_t.e_max_pu.columns
-            )
-            n.stores_t.e_max_pu.loc[n.snapshots[-1], unsus_stores_idx] = 1
+            # Set e_sum_min to 0 to allow for the faux biomass transport
+            n.generators.loc[
+                n.generators.carrier == "unsustainable solid biomass", "e_sum_min"
+            ] = 0
+            # Set e_sum_max to the potential to limit the faux biomass transport
+            n.generators.loc[
+                n.generators.carrier == "unsustainable solid biomass", "e_sum_max"
+            ] = unsustainable_solid_biomass_potentials_spatial.sum()
+
             n.add(
                 "GlobalConstraint",
                 "unsustainable biomass limit",