make CC in blast furnaces optional

config/config.default.yaml

@@ -446,6 +446,7 @@ sector:
   methanation: true
   helmeth: false
   coal_cc: false
+  coal_for_industry_cc: false
   dac: true
   co2_vent: false
   allam_cycle: false

doc/configtables/sector.csv

@@ -73,6 +73,7 @@ marginal_cost_storage,currency/MWh ,float,The marginal cost of discharging batte
 methanation,--,"{true, false}",Add option for transforming hydrogen and CO2 into methane using methanation.
 helmeth,--,"{true, false}",Add option for transforming power into gas using HELMETH (Integrated High-Temperature ELectrolysis and METHanation for Effective Power to Gas Conversion)
 coal_cc,--,"{true, false}",Add option for coal CHPs with carbon capture
+coal_for_industry_cc,--,"{true, false}",Add option for carbon capture in integrated steel making (blast furnaces)
 dac,--,"{true, false}",Add option for Direct Air Capture (DAC)
 co2_vent,--,"{true, false}",Add option for vent out CO2 from storages to the atmosphere.
 allam_cycle,--,"{true, false}",Add option to include `Allam cycle gas power plants <https://en.wikipedia.org/wiki/Allam_power_cycle>`_

scripts/prepare_sector_network.py

@@ -2940,6 +2940,8 @@ def add_industry(n, costs):
             efficiency2=costs.at["coal", "CO2 intensity"],
         )
 
+        if options.get("coal_for_industry_cc", False):
+
             n.madd(
                 "Link",
                 spatial.coal.industry_cc,