PyPSA/pypsa-usa

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PyPSA-USA: An Open-Source Energy System Optimization Model for the United States

Stars: 148
Forks: 55
Open beginner issues: 0
Indexed issues: 108
Avg merge: 2d 11h
Merged PRs (30d): 18

Dominant language: Python
License: MIT
Last GitHub push: Aug 28, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

108 open issues indexed

Scale SLURM memory requests to network size; measure them with a benchmark sweep Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

PyPSA/pypsa-usa#811 · Opened Sep 3, 2026
Slurm resource requests are v0-stale and heavily over-provisioned for the v1 pipeline Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

PyPSA/pypsa-usa#808 · 1 comment · Opened Sep 1, 2026
Imports priced at EIA retail rate despite 'wholesale' label Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

PyPSA/pypsa-usa#807 · 1 reaction · Opened Sep 1, 2026
Vectorize natural gas constraints Open

enhancement Sector

Difficulty 3/5 1-2 days Newbie friendliness 68/100

PyPSA/pypsa-usa#804 · Opened Aug 31, 2026
Hydro revamp: inflow-driven representation via atlite Cutout.hydro with PUDL plant data Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

PyPSA/pypsa-usa#795 · Opened Aug 29, 2026
Mechanically-safe cleanups — 57 items, no behaviour change Open

chore good first issue

Difficulty 5/5 Over a week Newbie friendliness 45/100

PyPSA/pypsa-usa#782 · Opened Aug 24, 2026
Bulk code cleanliness review — sector coupling Open

chore Sector

PyPSA/pypsa-usa#781 · 1 comment · 1 assignee · Opened Aug 24, 2026
Bulk code cleanliness review — general (non-sector) Open

chore

Difficulty 5/5 Over a week Newbie friendliness 15/100

PyPSA/pypsa-usa#780 · Opened Aug 24, 2026
Accidental addition of `workflow/config/config.yaml` Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 78/100

PyPSA/pypsa-usa#771 · Opened Aug 6, 2026
Missing top level config values Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

PyPSA/pypsa-usa#770 · 1 comment · Opened Aug 6, 2026
DuckDB compatibility with HPC resources Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyPSA/pypsa-usa#768 · 1 comment · 1 reaction · Opened Aug 6, 2026
Snakemake version 8+ doesn't handle local imports appropriately Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

PyPSA/pypsa-usa#767 · 1 comment · Opened Aug 6, 2026
Ingestion of New Microsoft Dataset Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

PyPSA/pypsa-usa#746 · Opened May 13, 2026
TAMU Transformer pu conversion Open

bug question

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PyPSA/pypsa-usa#742 · 2 comments · Opened Apr 13, 2026
`s_nom=0` values from TAMU Open

bug question

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

PyPSA/pypsa-usa#741 · Opened Apr 13, 2026
EIA176 for Natural Gas Validation Open

enhancement Sector

Difficulty 4/5 3-5 days Newbie friendliness 30/100

PyPSA/pypsa-usa#716 · Opened Nov 17, 2025
Use the VOM/FOM cost data at the build year of the existing power plants Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#715 · Opened Nov 17, 2025
Edge case clustering issues Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#706 · 2 comments · Opened Oct 23, 2025
Upgrade PyPSA to `v1.0.0` Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

PyPSA/pypsa-usa#701 · 3 comments · 1 reaction · Opened Oct 15, 2025
Documentation on service sector water heating missing Open

documentation Sector

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

PyPSA/pypsa-usa#696 · Opened Sep 28, 2025
Documentation for godeep dataset Open

documentation

PyPSA/pypsa-usa#694 · 1 assignee · Opened Sep 26, 2025
Unify ZenodoScenarioDownloader and retrieve_databundles Open

PyPSA/pypsa-usa#692 · 1 reaction · 1 assignee · Opened Sep 23, 2025
Move ZenodoScenarioDownloader from build_renewable_profiles to a new rule `retrieve_godeeep` Open

PyPSA/pypsa-usa#691 · 1 assignee · Opened Sep 23, 2025
Operational Reserve is not compatiable with sector studies Open

bug Sector

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#690 · Opened Sep 23, 2025
Scale RHS on EV gen and NG trading limit constraints Open

enhancement Sector

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#684 · Opened Sep 21, 2025
Clustering Assertion Error when cluster on `model_topology.include.reeds_ba` Open

bug good first issue

Difficulty 3/5 1-2 days Newbie friendliness 38/100

PyPSA/pypsa-usa#676 · Opened Aug 27, 2025
Renewable Certificate Tracking Zones Open

enhancement question

Difficulty 5/5 Over a week Newbie friendliness 30/100

PyPSA/pypsa-usa#670 · 3 comments · Opened Aug 23, 2025
`plot_statistics` does not work when `model_topology.topological_boundaries` is set to `state` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyPSA/pypsa-usa#664 · Opened Aug 20, 2025
`REM` does not work when `model_topology.topological_boundaries` is set to `state` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

PyPSA/pypsa-usa#663 · Opened Aug 20, 2025
Difference in county level resolution from ReEDS Open

good first issue question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#654 · 1 comment · 1 reaction · Opened Aug 16, 2025
DAC in Sector Studies Open

enhancement Sector

Difficulty 5/5 Over a week Newbie friendliness 30/100

PyPSA/pypsa-usa#652 · 1 reaction · Opened Aug 14, 2025
Add existing PHS in add_electricity Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#643 · 1 comment · Opened Jul 28, 2025
Plotting Issue with default HiGHS settings Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#639 · Opened Jul 19, 2025
Non-Gurobi Solvers not finding solution Open

bug Sector

Difficulty 4/5 3-5 days Newbie friendliness 25/100

PyPSA/pypsa-usa#635 · 4 comments · Opened Jul 7, 2025
Impact of adding bounds to variables Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

PyPSA/pypsa-usa#633 · 2 comments · 2 reactions · Opened Jul 4, 2025
Add nuclear repeatedly in add_extra_components.py Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

PyPSA/pypsa-usa#632 · 1 reaction · Opened Jul 3, 2025
Non-Gurobi Solver for UV environment Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 32/100

PyPSA/pypsa-usa#629 · 2 comments · Opened Jun 30, 2025
`build_powerplants` duckdb issue on Linux Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#611 · Opened May 27, 2025
State-level power sector model Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

PyPSA/pypsa-usa#609 · 4 comments · Opened May 25, 2025
Add assertion for correct sector weather year Open

enhancement good first issue Sector

PyPSA/pypsa-usa#607 · 2 comments · 1 assignee · Opened May 22, 2025
Create modular network fixtures for opts testing Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

PyPSA/pypsa-usa#598 · Opened May 6, 2025
Optimization: Replace shift().fillna(0) with shift(fill_value=0) in cumulative time-weight calculation Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

PyPSA/pypsa-usa#596 · Opened Apr 18, 2025
Missing industrial sector lpg demand Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyPSA/pypsa-usa#572 · 1 comment · Opened Mar 19, 2025
Coordinate tranpsort vehicle capital costs Open

enhancement Sector

Difficulty 4/5 3-5 days Newbie friendliness 30/100

PyPSA/pypsa-usa#563 · Opened Mar 4, 2025
Annualized NPV of sector costs Open

enhancement Sector

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyPSA/pypsa-usa#561 · Opened Mar 3, 2025
Optimization for CO2 Emissions + Constraints on Cost Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

PyPSA/pypsa-usa#559 · Opened Feb 28, 2025
Industrial Sector Demands Open

enhancement Sector

Difficulty 5/5 Over a week Newbie friendliness 25/100

PyPSA/pypsa-usa#558 · 1 comment · Opened Feb 28, 2025
Incorrect memory allocation for `add_demand` Open

enhancement Sector

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PyPSA/pypsa-usa#552 · Opened Feb 18, 2025
Cache EIA API data Open

enhancement Sector

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#543 · Opened Feb 16, 2025
Pull energy consumption survay data from PUDL Open

enhancement good first issue Sector

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PyPSA/pypsa-usa#541 · Opened Feb 13, 2025

PyPSA/pypsa-usa

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