xarray

An open source project and Python package that introduces labels in the form of dimensions, coordinates, and attributes on top of raw NumPy-like arrays, which allows for more intuitive, more concise, and less error-prone user experience.

dask netcdf numpy pandas python xarray

Climate Change - Climate Data Standards - Last synced: 09 Jan 2026 - Ranking: 32.2

PyPSA

A free software toolbox for simulating and optimizing modern power systems that include features such as conventional generators with unit commitment, variable wind and solar generation, storage units, coupling to other energy sectors, and mixed alternating and direct current networks.

capacity-expansion-planning clean-energy climate-change electrical-engineering electricity energy energy-system energy-system-model energy-system-modelling energy-systems loadflow optimal-power-flow optimisation power-flow power-systems power-systems-analysis powerflow python renewable-energy renewables

Energy Systems - Energy System Modeling Frameworks - Last synced: 09 Jan 2026 - Ranking: 22.4

atlite

Light-weight version of Aarhus RE Atlas for converting weather data to power systems data.

csp dynamic-line-rating energy energy-system energy-systems era5 gis heat-pump potentials pv python reanalysis renewable-energy renewable-timeseries solar wind

Energy Systems - Renewable Energy Integration - Last synced: 09 Jan 2026 - Ranking: 18.7

pyam

A Python package for data-wrangling, analysis and visualization of integrated-assessment scenarios and energy systems modeling results.

analysis energy-systems iamc-format integrated-assessment integrated-assessment-scenarios macro-energy modeling pyam scenario scenario-data timeseries-format visualization

Climate Change - Integrated Assessment and Climate Policy - Last synced: 09 Jan 2026 - Ranking: 11.6

Open-TYNDP

Explore and consider the adoption of PyPSA in the Ten-Year Network Development Plan of European Network of Transmission System Operators for Electricity (ENTSO-E) by building a workflow based on PyPSA-Eur.

energy energy-model energy-system energy-system-model energy-systems power-systems pypsa snakemake

Energy Systems - Energy System Modeling Frameworks - Last synced: 08 Jan 2026 - Ranking: 9.7

PyPSA-FES

A model that optimises investment and operation, and incorporates flexibility domestic demand flexibility to model scenarios for Great Britain's future energy system.

demand-flexibility energy energy-model energy-system-model energy-transition great-britain modelling open-source optimization power-systems pypsa python sector-coupling snakemake-workflow

Energy Systems - Global and Regional Energy System Models - Last synced: 09 Jan 2026 - Ranking: 7.7

hydropowerlib

Designed to calculate feed-in time series of run-of-the-river hydropower plants.

Renewable Energy - Hydro Energy - Last synced: 08 Jan 2026 - Ranking: 4.2

PyPSA-Eur

A Sector-Coupled Open Optimization Model of the European Transmission System.

capacity-expansion-model capacity-expansion-planning energy energy-data energy-model energy-system energy-system-analysis energy-system-model energy-system-modelling energy-systems europe power-grid power-systems pypsa sector-coupling snakemake transmission-network

Energy Systems - Global and Regional Energy System Models - Last synced: 09 Jan 2026 - Ranking: -Infinity