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c630547
updated biochar logic as CDR technology
BertoGBG Jan 27, 2026
be1c642
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jan 27, 2026
4e7c22d
fix test: update expected row count for biochar pyrolysis (7 → 9 rows)
BertoGBG Mar 21, 2026
a4710b8
new paramaters name
BertoGBG Mar 21, 2026
5bd0c95
no output
BertoGBG Mar 24, 2026
89b8279
small
BertoGBG Mar 24, 2026
ae65c74
added outputs
BertoGBG Apr 9, 2026
2d742de
pre-merge on updated technolgy-data repo
BertoGBG Apr 27, 2026
8692669
Merge remote-tracking branch 'upstream/master' into biochar_pyrolysis…
BertoGBG Jun 15, 2026
41cdf8a
Merge branch 'master' into biochar_pyrolysis_update_PR
euronion Jun 18, 2026
1eeb928
fix currency year to 2025, and added comment for 70% carbon sequestra…
BertoGBG Jul 13, 2026
fefff24
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jul 13, 2026
103611f
Merge branch 'master' into biochar_pyrolysis_update_PR
fneum Sep 29, 2026
a47f249
biochar pyrolysis: restore DEA 2020 currency year and inflation adjus…
fneum Sep 29, 2026
af2e9b1
biochar pyrolysis: fix feedstock to biomass mass ratio after drying
fneum Sep 29, 2026
fa7a211
biochar pyrolysis: rename yield-biochar to biochar-output and documen…
fneum Sep 29, 2026
681d6c5
remove temporary Excel lock file and regenerate outputs incl. US
fneum Sep 29, 2026
8f0cf51
Revert "biochar pyrolysis: restore DEA 2020 currency year and inflati…
fneum Sep 29, 2026
0acbf05
biochar pyrolysis: show carbon balance assumptions only on biomass-in…
fneum Sep 29, 2026
8620993
regenerate outputs
fneum Sep 29, 2026
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6 changes: 6 additions & 0 deletions docs/release_notes.rst
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,12 @@ Upcoming Release
.. The features listed below are not released yet, but will be part of the next release!
.. To use the features already you have to use the ``master`` branch.

**Breaking changes**

* ``biochar pyrolysis`` is now a carbon dioxide removal technology with all values per t_CO2 sequestered for >100 years instead of per MWh_biochar. ``investment`` is in EUR/t_CO2/h and ``VOM`` in EUR/t_CO2. New parameters ``biomass-input`` (MWh_biomass/t_CO2), ``electricity-input`` (MWh_e/t_CO2) and ``heat-output`` (MWh_th/t_CO2) replace ``efficiency-biochar`` and ``efficiency-heat``. ``yield-biochar`` is renamed to ``biochar-output`` and given in t_biochar per MWh of solid biomass (15% moisture) instead of per MWh of dried feedstock. 35% of the biomass carbon is assumed to be sequestered: 50% ends up in biochar, of which 70% is stable for >100 years. (https://github.com/PyPSA/technology-data/pull/258)

**Changes**

* Adding `Enhanced Weathering` (or Rocks) as CDR technology. (https://github.com/PyPSA/technology-data/pull/256)

* Add cost assumptions for water network infrastructure: water pipeline HDPE and water pipeline booster pump (https://github.com/PyPSA/technology-data/pull/277)
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15 changes: 8 additions & 7 deletions outputs/US/costs_2020.csv
Original file line number Diff line number Diff line change
Expand Up @@ -3526,13 +3526,14 @@ battery storage,investment,436.3481,USD/kWh,"NREL, 2024 ATB Excel Workbook, Shee
battery storage,investment,436.3481,USD/kWh,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",Includes grid connection and project financing costs; Meaning of scenario and financial case: https://atb.nrel.gov/electricity/2024/definitions#scenarios,2022.0,R&D,Advanced
battery storage,investment,436.3481,USD/kWh,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",Includes grid connection and project financing costs; Meaning of scenario and financial case: https://atb.nrel.gov/electricity/2024/definitions#scenarios,2022.0,Market,Advanced
battery storage,lifetime,15.0,years,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",,,,
biochar pyrolysis,FOM,3.4615,%/year,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Fixed O&M",2020.0,,
biochar pyrolysis,VOM,1035.4112,EUR/MWh_biochar,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Variable O&M",2025.0,,
biochar pyrolysis,efficiency-biochar,0.404,MWh_biochar/MWh_feedstock,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: efficiency biochar",2020.0,,
biochar pyrolysis,efficiency-heat,0.4848,per unit,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: efficiency heat",2020.0,,
biochar pyrolysis,investment,210317.9044,EUR/kW_biochar,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Specific investment",2025.0,,
biochar pyrolysis,lifetime,25.0,years,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Technical lifetime",2020.0,,
biochar pyrolysis,yield-biochar,0.0582,ton biochar/MWh_feedstock,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: yield biochar",2020.0,,
biochar pyrolysis,FOM,3.4615,%/year,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Fixed O&M",2025.0,,
biochar pyrolysis,VOM,46.8509,EUR/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Variable O&M. Converted from DEA per MWh output via the total output per MWh_biomass and the biomass-input.",2025.0,,
biochar pyrolysis,biochar-output,0.0587,t_biochar/MWh_biomass,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: yield biochar",2025.0,,
biochar pyrolysis,biomass-input,7.6748,MWh_biomass/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Biomass Input. Per t_CO2 sequestered for >100 years (not t_CO2 emitted). Solid biomass with 18 GJ/t_DM LHV, 50% carbon on dry basis and 15% moisture, dried to 10% before pyrolysis. 50% of the biomass carbon ends up in biochar (DEA, straw) and 70% of the biochar carbon is stable for >100 years when spread on soil (Fuhrman et al. 2023, https://doi.org/10.1038/s41558-023-01604-9), i.e. 35% of the biomass carbon is sequestered.",2025.0,,
biochar pyrolysis,electricity-input,0.3129,MWh_e/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: El-Input. Per t_CO2 sequestered, see biomass-input.",2025.0,,
biochar pyrolysis,heat-output,3.7196,MWh_th/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: H-Output. Pyrolysis oil and gas are assumed to be combusted for heat. Per t_CO2 sequestered, see biomass-input.",2025.0,,
biochar pyrolysis,investment,9516589.1654,EUR/t_CO2/h,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Specific investment. Converted from DEA per MW output via the total output per MWh_biomass and the biomass-input.",2025.0,,
biochar pyrolysis,lifetime,25.0,years,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Technical lifetime",2025.0,,
biodiesel crops,fuel,122.1631,EUR/MWhth,"JRC ENSPRESO ca avg for MINBIORPS1 (rape seed), ENS_BaU_GFTM",,2025.0,,
bioethanol crops,CO2 intensity,0.1289,tCO2/MWh_th,,"CO2 released during fermentation of bioethanol crops, based on stochiometric composition: C6H12O6 -> 2 C2H5OH + 2 CO2 , i.e. 1 kg ethanol → ~0.956 kg CO₂ (from fermentation) → 0.1289 tCO₂/MWh (with LHV = 26.7 MJ/kg).",,,
bioethanol crops,fuel,78.9195,EUR/MWhth,"JRC ENSPRESO ca avg for MINBIOCRP11 (Bioethanol barley, wheat, grain maize, oats, other cereals and rye), ENS_BaU_GFTM",,2025.0,,
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15 changes: 8 additions & 7 deletions outputs/US/costs_2025.csv
Original file line number Diff line number Diff line change
Expand Up @@ -3606,13 +3606,14 @@ battery storage,investment,406.0761,USD/kWh,"NREL, 2024 ATB Excel Workbook, Shee
battery storage,investment,355.7841,USD/kWh,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",Includes grid connection and project financing costs; Meaning of scenario and financial case: https://atb.nrel.gov/electricity/2024/definitions#scenarios,2022.0,R&D,Advanced
battery storage,investment,355.7841,USD/kWh,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",Includes grid connection and project financing costs; Meaning of scenario and financial case: https://atb.nrel.gov/electricity/2024/definitions#scenarios,2022.0,Market,Advanced
battery storage,lifetime,15.0,years,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",,,,
biochar pyrolysis,FOM,3.4615,%/year,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Fixed O&M",2020.0,,
biochar pyrolysis,VOM,1035.4112,EUR/MWh_biochar,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Variable O&M",2025.0,,
biochar pyrolysis,efficiency-biochar,0.404,MWh_biochar/MWh_feedstock,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: efficiency biochar",2020.0,,
biochar pyrolysis,efficiency-heat,0.4848,per unit,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: efficiency heat",2020.0,,
biochar pyrolysis,investment,210317.9044,EUR/kW_biochar,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Specific investment",2025.0,,
biochar pyrolysis,lifetime,25.0,years,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Technical lifetime",2020.0,,
biochar pyrolysis,yield-biochar,0.0582,ton biochar/MWh_feedstock,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: yield biochar",2020.0,,
biochar pyrolysis,FOM,3.4615,%/year,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Fixed O&M",2025.0,,
biochar pyrolysis,VOM,46.8509,EUR/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Variable O&M. Converted from DEA per MWh output via the total output per MWh_biomass and the biomass-input.",2025.0,,
biochar pyrolysis,biochar-output,0.0587,t_biochar/MWh_biomass,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: yield biochar",2025.0,,
biochar pyrolysis,biomass-input,7.6748,MWh_biomass/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Biomass Input. Per t_CO2 sequestered for >100 years (not t_CO2 emitted). Solid biomass with 18 GJ/t_DM LHV, 50% carbon on dry basis and 15% moisture, dried to 10% before pyrolysis. 50% of the biomass carbon ends up in biochar (DEA, straw) and 70% of the biochar carbon is stable for >100 years when spread on soil (Fuhrman et al. 2023, https://doi.org/10.1038/s41558-023-01604-9), i.e. 35% of the biomass carbon is sequestered.",2025.0,,
biochar pyrolysis,electricity-input,0.3129,MWh_e/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: El-Input. Per t_CO2 sequestered, see biomass-input.",2025.0,,
biochar pyrolysis,heat-output,3.7196,MWh_th/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: H-Output. Pyrolysis oil and gas are assumed to be combusted for heat. Per t_CO2 sequestered, see biomass-input.",2025.0,,
biochar pyrolysis,investment,9516589.1654,EUR/t_CO2/h,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Specific investment. Converted from DEA per MW output via the total output per MWh_biomass and the biomass-input.",2025.0,,
biochar pyrolysis,lifetime,25.0,years,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Technical lifetime",2025.0,,
biodiesel crops,fuel,148.475,EUR/MWhth,"JRC ENSPRESO ca avg for MINBIORPS1 (rape seed), ENS_BaU_GFTM",,2025.0,,
bioethanol crops,CO2 intensity,0.1289,tCO2/MWh_th,,"CO2 released during fermentation of bioethanol crops, based on stochiometric composition: C6H12O6 -> 2 C2H5OH + 2 CO2 , i.e. 1 kg ethanol → ~0.956 kg CO₂ (from fermentation) → 0.1289 tCO₂/MWh (with LHV = 26.7 MJ/kg).",,,
bioethanol crops,fuel,91.7982,EUR/MWhth,"JRC ENSPRESO ca avg for MINBIOCRP11 (Bioethanol barley, wheat, grain maize, oats, other cereals and rye), ENS_BaU_GFTM",,2025.0,,
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15 changes: 8 additions & 7 deletions outputs/US/costs_2030.csv
Original file line number Diff line number Diff line change
Expand Up @@ -3762,13 +3762,14 @@ battery storage,investment,355.6226,USD/kWh,"NREL, 2024 ATB Excel Workbook, Shee
battery storage,investment,221.5107,USD/kWh,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",Includes grid connection and project financing costs; Meaning of scenario and financial case: https://atb.nrel.gov/electricity/2024/definitions#scenarios,2022.0,R&D,Advanced
battery storage,investment,221.5107,USD/kWh,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",Includes grid connection and project financing costs; Meaning of scenario and financial case: https://atb.nrel.gov/electricity/2024/definitions#scenarios,2022.0,Market,Advanced
battery storage,lifetime,15.0,years,"NREL, 2024 ATB Excel Workbook, Sheet “Utility-Scale Battery Storage”, https://data.openei.org/files/6006/2024_v3_Workbook.xlsx",,,,
biochar pyrolysis,FOM,3.4167,%/year,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Fixed O&M",2020.0,,
biochar pyrolysis,VOM,1035.4112,EUR/MWh_biochar,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Variable O&M",2025.0,,
biochar pyrolysis,efficiency-biochar,0.404,MWh_biochar/MWh_feedstock,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: efficiency biochar",2020.0,,
biochar pyrolysis,efficiency-heat,0.4848,per unit,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: efficiency heat",2020.0,,
biochar pyrolysis,investment,194139.6041,EUR/kW_biochar,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Specific investment",2025.0,,
biochar pyrolysis,lifetime,25.0,years,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Technical lifetime",2020.0,,
biochar pyrolysis,yield-biochar,0.0582,ton biochar/MWh_feedstock,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: yield biochar",2020.0,,
biochar pyrolysis,FOM,3.4167,%/year,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Fixed O&M",2025.0,,
biochar pyrolysis,VOM,46.8509,EUR/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Variable O&M. Converted from DEA per MWh output via the total output per MWh_biomass and the biomass-input.",2025.0,,
biochar pyrolysis,biochar-output,0.0587,t_biochar/MWh_biomass,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: yield biochar",2025.0,,
biochar pyrolysis,biomass-input,7.6748,MWh_biomass/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Biomass Input. Per t_CO2 sequestered for >100 years (not t_CO2 emitted). Solid biomass with 18 GJ/t_DM LHV, 50% carbon on dry basis and 15% moisture, dried to 10% before pyrolysis. 50% of the biomass carbon ends up in biochar (DEA, straw) and 70% of the biochar carbon is stable for >100 years when spread on soil (Fuhrman et al. 2023, https://doi.org/10.1038/s41558-023-01604-9), i.e. 35% of the biomass carbon is sequestered.",2025.0,,
biochar pyrolysis,electricity-input,0.3129,MWh_e/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: El-Input. Per t_CO2 sequestered, see biomass-input.",2025.0,,
biochar pyrolysis,heat-output,3.7196,MWh_th/t_CO2,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: H-Output. Pyrolysis oil and gas are assumed to be combusted for heat. Per t_CO2 sequestered, see biomass-input.",2025.0,,
biochar pyrolysis,investment,8784543.845,EUR/t_CO2/h,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Specific investment. Converted from DEA per MW output via the total output per MWh_biomass and the biomass-input.",2025.0,,
biochar pyrolysis,lifetime,25.0,years,"Danish Energy Agency, inputs/data_sheets_for_renewable_fuels.xlsx","105 Slow pyrolysis, Straw: Technical lifetime",2025.0,,
biodiesel crops,fuel,174.7869,EUR/MWhth,"JRC ENSPRESO ca avg for MINBIORPS1 (rape seed), ENS_BaU_GFTM",,2025.0,,
bioethanol crops,CO2 intensity,0.1289,tCO2/MWh_th,,"CO2 released during fermentation of bioethanol crops, based on stochiometric composition: C6H12O6 -> 2 C2H5OH + 2 CO2 , i.e. 1 kg ethanol → ~0.956 kg CO₂ (from fermentation) → 0.1289 tCO₂/MWh (with LHV = 26.7 MJ/kg).",,,
bioethanol crops,fuel,104.6769,EUR/MWhth,"JRC ENSPRESO ca avg for MINBIOCRP11 (Bioethanol barley, wheat, grain maize, oats, other cereals and rye), ENS_BaU_GFTM",,2025.0,,
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