Advance integration of MESSAGE.

Fix LCIs for electrolyzers.
Fix translation of outdated biosphere flows.
Update docs.

docs/extract.rst

@@ -577,7 +577,10 @@ The new datasets introduced are listed in the table below (only production datas
   hydrogen production, gaseous, 25 bar, from gasification of woody biomass in entrained flow gasifier, with CCS, at gasification plant    CH
   hydrogen production, gaseous, 25 bar, from gasification of woody biomass in entrained flow gasifier, at gasification plant              CH
   hydrogen production, gaseous, 30 bar, from hard coal gasification and reforming, at coal gasification plant                             RER
-  hydrogen production, gaseous, 200 bar, from PEM electrolysis, from grid electricity                                                     RER
+  hydrogen production, gaseous, 30 bar, from PEM electrolysis, from grid electricity                                                      RER
+  hydrogen production, gaseous, 20 bar, from AEC electrolysis, from grid electricity                                                      RER
+  hydrogen production, gaseous, 1 bar, from SOEC electrolysis, from grid electricity                                                      RER
+  hydrogen production, gaseous, 1 bar, from SOEC electrolysis, with steam input, from grid electricity                                    RER
   hydrogen production, gaseous, 25 bar, from thermochemical water splitting, at solar tower                                               RER
   hydrogen production, gaseous, 100 bar, from methane pyrolysis                                                                           RER
  ======================================================================================================================================= ===========

premise/data/fuels/hydrogen_activities.yml

@@ -1,5 +1,5 @@
 from electrolysis:
-  name: hydrogen production, gaseous, 200 bar, from PEM electrolysis, from grid electricity
+  name: hydrogen production, gaseous, 30 bar, from PEM electrolysis, from grid electricity
   var: hydrogen, electrolysis
   feedstock name: electricity, low voltage
   feedstock unit: kilowatt hour

premise/electricity.py

@@ -1964,6 +1964,9 @@ def create_missing_power_plant_datasets(self) -> None:
                         if "input" in e:
                             del e["input"]
 
+                    ds["comment"] = "This dataset is a proxy dataset for a power plant. " \
+                                    "It is used to create missing power plant datasets."
+
                 self.database.extend(new_datasets.values())
 
         mapping = InventorySet(self.database)

premise/iam_variables_mapping/crops_variables.yaml

@@ -10,6 +10,9 @@ sugar:
     remind:
       temperate: sugarbeet
       tropical: sugarcane
+    message:
+      temperate: sugarbeet
+      tropical: sugarcane
   land_use:
     image: Land Use|Marginal|Biomass|Sugar
   land_use_change:
@@ -22,6 +25,9 @@ oil:
     remind:
       temperate: rapeseed
       tropical: palm oil
+    message:
+      temperate: rapeseed
+      tropical: palm oil
   land_use:
     image: Land Use|Marginal|Biomass|OilCrop
   land_use_change:
@@ -34,6 +40,9 @@ wood:
     remind:
       temperate: poplar
       tropical: eucalyptus
+    message:
+      temperate: poplar
+      tropical: eucalyptus
   land_use:
     image: Land Use|Marginal|Biomass|Woody
   land_use_change:
@@ -46,6 +55,9 @@ grass:
     remind:
       temperate: switchgrass
       tropical: miscanthus
+    message:
+      temperate: switchgrass
+      tropical: miscanthus
   land_use:
     image: Land Use|Marginal|Biomass|Grassy
   land_use_change:
@@ -58,6 +70,9 @@ grain:
     remind:
       temperate: corn
       tropical: corn
+    message:
+      temperate: corn
+      tropical: corn
   land_use:
     image: Land Use|Marginal|Biomass|Maize
   land_use_change:

premise/iam_variables_mapping/fuels_variables.yaml

@@ -444,7 +444,7 @@ hydrogen, electrolysis:
     remind: Tech|Hydrogen|Electricity|Efficiency
   ecoinvent_aliases:
     fltr:
-      - hydrogen production, gaseous, 200 bar, from PEM electrolysis, from grid electricity
+      - hydrogen production, gaseous, 30 bar, from PEM electrolysis, from grid electricity
 
 hydrogen, solar:
   lhv: 120

premise/inventory_imports.py

@@ -559,6 +559,7 @@ def add_biosphere_links(self, delete_missing: bool = False) -> None:
                             assert (
                                 key in self.biosphere_dict
                             ), f"Could not find a biosphere flow for {key}."
+                            y["name"] = new_key[0]
                         else:
                             print(key)
                             continue
@@ -568,6 +569,7 @@ def add_biosphere_links(self, delete_missing: bool = False) -> None:
                         self.biosphere_dict[key],
                     )
 
+
     def lower_case_technosphere_exchanges(self) -> None:
         blakclist = [
             "NOx",

premise/transformation.py

@@ -553,6 +553,8 @@ def fetch_proxies(
         :param relink: if `relink`, exchanges from the datasets will be relinked to
         the most geographically-appropriate providers from the database. This is computer-intensive.
         :param regions: regions to create proxy datasets for. if None, all regions are considered.
+        :param delete_original_dataset: if True, delete original datasets from the database.
+        :param empty_original_activity: if True, empty original activities from exchanges.
         :return: dictionary with IAM regions as keys, proxy datasets as values.
         """
 
@@ -592,10 +594,10 @@ def fetch_proxies(
                 if "input" in d_act[region]:
                     del d_act[region]["input"]
 
-                if production_variable:
+                if production_variable is not None:
                     # Add `production volume` field
                     if isinstance(production_variable, str):
-                        production_variable = [production_variable]
+                        production_variable = [production_variable, ]
 
                     if all(
                         i in self.iam_data.production_volumes.variables