PowSyBl
An open source framework written in Java, that makes it easy to write complex software for power systems simulations and analysis.
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Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 23.3

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.
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Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 21.2

oemof-solph
A model generator for energy system modeling and optimization.
energy energy-system modelling modelling-framework
Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 19.0

Egret
A Python-based package for electrical grid optimization based on the Pyomo optimization modeling language.
energy-system milp minlp nlp optimization power powerflow python snl-applications snl-science-libs
Energy Systems - Grid Analysis and Planning - Last synced: 04 Jul 2025 - Ranking: 18.2

PowSyBl Open Load Flow
An open source library written in Java, that makes it easy to write complex software for power systems simulations and analysis.
energy-system java klu load-flow loadflow power-flow power-system-simulation power-systems powerflow powsybl
Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 17.4

tespy
Provides a powerful simulation toolkit for thermal engineering plants such as power plants, district heating systems or heat pumps.
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Consumption - Buildings and Heating - Last synced: 03 Jul 2025 - Ranking: 17.4

tsam
A Python package which uses different machine learning algorithms for the aggregation of time series.
aggregation clustering energy-system optimization python time-series timeseries typical-periods
Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 17.3

atlite
Light-weight version of Aarhus RE Atlas for converting weather data to power systems data.
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Energy Systems - Renewable Energy Integration - Last synced: 03 Jul 2025 - Ranking: 17.1

MESSAGEix
A versatile, dynamic systems-optimization modeling framework developed by the IIASA Energy, Climate, and Environment (ECE) Program since the 1980s.
energy-system gams integrated-assessment integrated-assessment-model open-source strategic-planning
Climate Change - Integrated Assessment and Climate Policy - Last synced: 03 Jul 2025 - Ranking: 15.6

PowerSystems.jl
Provides a rigorous data model using Julia structures to enable power systems analysis and modeling.
electrical energy-system julia nrel powersystems
Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 14.8

Calliope
A framework to develop energy system models, with a focus on flexibility, high spatial and temporal resolution, the ability to execute many runs based on the same base model, and a clear separation of framework and model.
energy energy-system optimisation pyomo python
Energy Systems - Energy System Modeling Frameworks - Last synced: 03 Jul 2025 - Ranking: 14.4

Vessim
A co-simulation testbed for energy-aware and carbon-aware applications and systems, based on Mosaik.
carbon-aware co-simulation energy-system simulation software-in-the-loop testbed
Energy Systems - Grid Management and Microgrid - Last synced: 04 Jul 2025 - Ranking: 11.6

flixOpt
Python-based optimization framework designed to tackle energy and material flow problems using mixed-integer linear programming (MILP) and provides a powerful platform for both dispatch and investment optimization challenges.
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Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 10.5

SustainGym
Reinforcement Learning Environments for Sustainable Energy Systems.
distribution-shift energy-system reinforcement-learning
Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 9.7

OpenIPSL
A library of power system component models written in the Modelica language that can be used for power system dynamic analysis, such as phasor time-domain simulations.
energy energy-system energy-system-modeling gridcal hacktoberfest modelica power-grid power-grids power-system-dynamic-modeling power-system-dynamics power-system-simulation power-system-stability power-system-stabilizer power-systems power-systems-analysis smart-grids
Energy Systems - Energy System Modeling Frameworks - Last synced: 04 Jul 2025 - Ranking: 8.2

hydro-power-database
Collects basic information on all the European hydro-power plants.
energy-system hydropower power-system-simulation
Renewable Energy - Hydro Energy - Last synced: 04 Jul 2025 - Ranking: 5.9

urbs
A linear optimization model for distributed energy systems.
energy-system linear-programming mathematical-modelling optimisation-model pandas pyomo python
Energy Systems - Energy System Modeling Frameworks - Last synced: 03 Jul 2025 - Ranking: -Infinity

RTS-GMLC
Reliability Test System of the Grid Modernization Lab Consortium.
energy-data energy-system matpower power-systems power-systems-analysis rts
Energy Systems - Grid Analysis and Planning - Last synced: 04 Jul 2025 - Ranking: -Infinity

PyPSA-Eur
A Sector-Coupled Open Optimization Model of the European Transmission System.
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Energy Systems - Global and Regional Energy System Models - Last synced: 04 Jul 2025 - Ranking: -Infinity

Dynaωo
Aims at providing power system stakeholders with a transparent, flexible, interoperable and robust suite of simulation tools that could ease collaboration and cooperation in the power system community.
energy-system power-system-simulation power-systems power-systems-analysis
Energy Systems - Energy System Modeling Frameworks - Last synced: 03 Jul 2025 - Ranking: -Infinity
