Issues

• CCTS: open bugs and next steps for CO2 storage, CO2 pipelines and DAC

  enhancement
  PyPSA/pypsa-usa#899 · Filter by author ktehranchi opened on Nov 11, 2026

• DAC is only added at nodes with a CCS generator in electricity-only studies

  enhancement
  PyPSA/pypsa-usa#898 · Filter by author ktehranchi opened on Nov 11, 2026

• CO2 storage potential is not cumulative over investment periods and has no injection-rate limit

  bug
  PyPSA/pypsa-usa#897 · Filter by author ktehranchi opened on Nov 11, 2026

• CO2 limits miscount CCS and DAC: regional limits sum all atmosphere stores, the national limit ignores removals

  bug
  PyPSA/pypsa-usa#896 · Filter by author ktehranchi opened on Nov 11, 2026

• CCS generators drop out of regional constraints when CO2 storage is on

  bug
  PyPSA/pypsa-usa#895 · Filter by author ktehranchi opened on Nov 11, 2026

• CO2 pipeline capital cost is charged per tCO2/h for a whole pipeline, and per mile on a length in km

  bug
  PyPSA/pypsa-usa#894 · Filter by author ktehranchi opened on Nov 11, 2026

• CO2 storage cost and reverse pipeline flow are paid to the model instead of charged

  bug
  PyPSA/pypsa-usa#893 · Filter by author ktehranchi opened on Nov 11, 2026

• build_cutout: expose atlite's monthly_requests for ERA5 downloads

  PyPSA/pypsa-usa#892 · Filter by author ktehranchi opened on Nov 11, 2026

• plot_network_maps.py passes color_geomap to n.plot(), which PyPSA 1.3.0 rejects

  PyPSA/pypsa-usa#891 · Filter by author ktehranchi opened on Nov 11, 2026

• ferc demand profile cannot be built: retrieve_pudl.py reads an undefined output and the census parquet is not in the PUDL bucket

  PyPSA/pypsa-usa#890 · Filter by author ktehranchi opened on Nov 11, 2026

• Error in rule build_base_network

  bug
  PyPSA/pypsa-usa#889 · Filter by author AdithyaRaman opened on Nov 9, 2026
  1

• Use pypsa's built in annunity function

  enhancement
  PyPSA/pypsa-usa#888 · Filter by author trevorb1 opened on Nov 9, 2026

• Confirm alignment on Sectoral demand for District of Columbia

  bugSector
  PyPSA/pypsa-usa#887 · Filter by author trevorb1 opened on Nov 9, 2026

• Represent behind-the-meter rooftop PV explicitly (generator, gross load, RPS eligibility)

  PyPSA/pypsa-usa#886 · Filter by author ktehranchi opened on Nov 6, 2026

• Add state-dependent carrier eligibility to RPS and CES

  enhancement
  PyPSA/pypsa-usa#880 · Filter by author WeiAi-Energy opened on Nov 4, 2026

• Add hydrogen sector (supply side)

  enhancementSector
  PyPSA/pypsa-usa#878 · Filter by author WeiAi-Energy opened on Nov 3, 2026

• ERM gives no capacity credit to plants converted to links in sector-coupled models

  bugSector
  PyPSA/pypsa-usa#877 · Filter by author WeiAi-Energy opened on Nov 2, 2026

• End uses share one fuel bus, so they cannot pay sector-specific fuel prices

  enhancementSector
  PyPSA/pypsa-usa#862 · Filter by author WeiAi-Energy opened on Oct 28, 2026
  1

• Temperature-dependent derate for conventional generators

  enhancement
  PyPSA/pypsa-usa#850 · Filter by author WeiAi-Energy opened on Oct 27, 2026

• Improve regional cost adjustments

  enhancement
  PyPSA/pypsa-usa#849 · Filter by author WeiAi-Energy opened on Oct 27, 2026

• Service-sector HVAC fan energy and cooling COPs

  bugSector
  PyPSA/pypsa-usa#848 · Filter by author WeiAi-Energy opened on Oct 26, 2026

• Let service-sector gas end uses other than heating be electrified

  enhancementSector
  PyPSA/pypsa-usa#847 · Filter by author WeiAi-Energy opened on Oct 26, 2026

• {ll} cost limit (c<factor>) is infeasible with multiple investment periods: LHS is period-weighted, reference is not

  PyPSA/pypsa-usa#815 · Filter by author ktehranchi opened on Sep 22, 2026

• Per-carrier opts tokens (<carrier>+{p,e,c,m}<factor>) raise KeyError 'adjustments'

  PyPSA/pypsa-usa#814 · Filter by author ktehranchi opened on Sep 22, 2026

• demand_response_capacity: load→bus mapping uses str.strip(" AC"), which mangles bus names that start or end with A/C

  PyPSA/pypsa-usa#812 · Filter by author ktehranchi opened on Sep 22, 2026