Open Models

This page lists energy models published under open source licenses. We regard licenses approved by OSI (opensource.org) and The Open Definition (opendefinition.org) as suitable for open source models and open data, respectively. Please contact us if you are using another license and wish to be added. Models which have not yet been made public, but which intend to do so under a suitable license, can also be included here.

Currently, the models listed classify exclusively as bottom-up, but that is not a restriction we impose. Some models are confined to the electricity sector while others also traverse the heat, gas, end-use, and mobility sectors. Some embed market clearing while others assume single-actor cost minimization. The model attributes shown below should help to clarify the type of model.

Most models listed here count as frameworks in which any region can be modelled. Region-specific implementations of the frameworks are listed on a separate page by region Open model implementations.

There are more advanced factsheets for frameworks, models and scenarios on the Open Energy Platform.

Wikipedia also offers an incomplete list of open models, together with related publications.

List of models

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Overview of models by purpose, scope and modelling type

Model	Sectors	Model class	Math modeltype	Timeresolution	Georesolution	Is suited for many scenarios
AMIRIS	electricity	Agent-based electricity market model	Simulation Agent-based	Hour	National	true
ASAM	Electricity Electricity Market Electric power	Agent-based Simulation Market Model Electricity System Model German and European Electricity Market	Simulation Agent-based	15 Minute	Individual power stations	true
ASSUME	All / Electricity	German and European Electricity Market Network-constrained Unit Commitment and Economic Dispatch Agent-based electricity market model	Simulation Agent-based	15 Minute	NUTS0 - NUTS3, for DE	false
Antares-Simulator	Electricity Methane Hydrogen Heat	Capacity Expansion Problem Production Cost Model	Optimization Simulation	Hour	NUTS0 - NUTS2	true
AnyMOD	User-dependent	Framework	Optimization	Hour	User-dependent	true
Backbone	All	Framework	Optimization	15 Minute	Depends on user	true
Balmorel	User-dependent	Energy System Model	Optimization	Hour	Hierarchical: countries, regions, areas	true
Breakthrough Energy Model	Electricity	Framework	Optimization Simulation	Hour	Nodal	false
CAPOW	Electric power	CAISO and Mid-Columbia markets/U.S. West Coast	Simulation	Hour	Zonal	true
CESAR-P	electricity heating cooling domestic hot water	Swiss building stock	Simulation	Hour	depending on input data	false
Calliope	User-dependent	Framework	Optimization	Hour	User-dependent	true
CapacityExpansion	electricity heat gas	Capacity Expansion Problem	Optimization		input data dependent	true
DESSTinEE	All / Electricity	Simulation	Simulation	Hour	National	true
DIETER	electricity plus sector coupling (EVs P2Heat)	Optimization	Optimization	Hour	In most applications so far, Germany as one node; version with additional central European country nodes available	true
Demod	end-use demand	Simulation	Simulation	Minute	depending on input data	true
Dispa-SET	Power system	EU power system	Optimization	Hour	NUTS1	true
ELMOD	Electricity Heat	German and European Electricity Market	Optimization	Hour	power plant block, transmission network node	false
EMLab-Generation	Electricity Market Carbon Market	Agent-based Simulation	Simulation Agent-based	Year	Zones	true
EMMA	Electricity	Power market model	Optimization	Hour	Countries	false
EOLES elec	Electricity Sector Carbon Market	Electricity System Model	Optimization Simulation	Hour	Country level	false
EOLES elecRES	Electricity Sector	Electricity System Model	Optimization Simulation	Hour	Coutry	false
ESO-X	Electricity	power system model	Optimization	Hour	single-node (ESONE: 29 nodes)	true
Energy Policy Simulator	Electricity buildings transportation industry district heat land agriculture hydrogen etc...	System Dynamics	Simulation	Year	single region	true
Energy Transition Model	Households Buildings Agriculture Transport Industry Energy	Demand driven energy model	Simulation	Year	Country	true
EnergyRt		Reference Energy System	Optimization			true
EnergyScope	All (Electricity Heating and mobility)	Regional energy system design	Optimization	Hour	Country	true
Ficus	electricity heating ...	energy system optimization model	Optimization	15 Minute		true
FlexiGIS	Electricity Sector	urban energy systems	Optimization Simulation	15 Minute	building, street, district, city	false
GAMAMOD	Gas	German Transmission Grid	Optimization Simulation	Day	NUTS0 - NUTS3, for DE	true
GENeSYS-MOD	Electricity Heat Transport Industry Buildings	multi‑commodity optimization	Optimization	Hour	NUTS1, federal states	false
GRIMSEL-FLEX	Electricity Heat Hydrogen Buildings Transport	Energy System Model Optimization Social Planner	Optimization	Hour	Consumer types and Urban settings	false
Genesys	Electricity	Electricity System Model	Optimization Simulation	Hour	EUMENA, 21 regions	false
GridCal	Electricity	Transmission Network Model and Data (input and output)	Optimization Simulation			true
HighRES	Electricity	European electricity system model GB electricity system model	Optimization	Hour	Country level, 20 zones for GB	true
IRENA FlexTool	All sectors (user can add more)	Multi-purpose	Optimization	Hour	User dependent	true
Lemlab	local energy markets	agent-based simulation	Simulation Agent-based			false
LoadProfileGenerator				Minute		false
MEDEAS	electricity heat liquid fuels gas solid fuels		Other	Year	global, continents, nations	true
Medea	Electricity Heat	Austrian and German electricity market	Optimization	Hour	Countries	true
MicroGridsPy	Micro-grids design	Energy Modeling Framework	Optimization	Hour	Village-scale	true
Mosaik	electricity heat mobility household	distributed energy systems smart grid simulation	Optimization Simulation Agent-based	Second		true
NEMO			Optimization Simulation	Hour	NEM regions	true
NEMO (SEI)	All	Full energy system optimization flexible geographic and sectoral scope	Optimization	Hour	Flexible - user-defined regionalization	true
OMEGAlpes	Electricity Heat all	Production consumption conversion storage	Optimization			false
OSeMOSYS	all		Optimization	Day	Country	true
Oemof	Electricity Heat Mobility	Energy Modelling Framework	Optimization Simulation	Hour	Depends on user	false
OnSSET			Optimization	Multi year	1 km to 10 km	false
OpenTEPES	Electricity Hydrogen Heat	Bottom-up energy (electricity & hydrogen & heat) system model	Optimization	Hour	Node	true
OpenTUMFlex	Energy Electricity Market Households electricity plus sector coupling (EVs	Energy System Model urban energy systems load shifting optimisation Local energy systems	Optimization Simulation	15 Minute	User dependent	false
POMATO	Electricity Market Heat	Network-constrained Unit Commitment and Economic Dispatch	Optimization	Hour	Nodal resolution	false
Pandapipes			Simulation			false
Pandapower		Transmission Network Model	Simulation			false
PowNet	Electricity Electric power Energy	Network-constrained Unit Commitment and Economic Dispatch	Optimization Simulation	Hour	High-voltage substation	false
PowerMatcher						false
PowerSimulations.jl	Power system	quasii-static sequential unit-commitment and economic dispatch problems	Optimization	Second	nodal resolution (all nodes are included)	true
PowerSimulationsDynamics.jl	Electric power Electricity electricity	Dynamic system simulation model library	Simulation	Less than second	Nodal resolution	true
PowerSystems.jl	Electricity Electricity Sector Electric power	Optimization Simulation	Simulation	Less than second	Nodal resolution	true
Pvlib python	Electricity		Simulation			false
PyLESA	electricity heat	Local energy systems	Simulation	Hour	Local/Community/District	false
PyPSA	Electricity Heat Transport User-defined	Energy System Model	Optimization Simulation	Hour	User dependent	true
QuaSi - GenSim	electricity heat cold	building energy demand	Simulation	15 Minute		false
QuaSi - ReSiE	all sectors incl. heat cold hydrogen electricity	multi energy systems in urban scale	Simulation Other	15 Minute	depends on user	true
QuaSi - SoDeLe	Electricity	PV energy production	Simulation	Hour		true
REopt	Energy	Energy System Model	Optimization	Hour	Site	true
RHEIA	All	distributed energy systems energy planning	Optimization			true
Region4FLEX	electricity plus sector coupling (EVs P2Heat P2Gas)	load shifting optimisation	Optimization	15 Minute	Administrative districts	false
Renpass	Electricity	Electricity System Model / Regional Dispatch Model / Transshipment Model	Optimization Simulation	Hour	Germany: 21 regions / other countries: country	true
SIREN	Electricity	Electricity System Model	Simulation Other	Hour	Individual power stations	true
SMS++	electricity heat components partly developed but extensible to anything	in princople all short- to long-term optimization	Optimization	Multi year	any	true
SciGRID gas	Gas	European Gas Transmission Network Model and Data (input and output)	Other Simulation		Individual gas transmission elements (pipelines, compressorstations, borderpoints etc.)	false
SciGRID power	Electricity Sector	Transmission Network Model	Simulation		nodal resolution	false
SimSEE	Electricity Market	Optimal energy dispatch	Optimization Simulation	Hour		true
SimSES	Electricity	Electrical energy storage system	Simulation	Minute		true
SpineOpt.jl	All	Framework	Optimization	Hour	User-dependent	true
StELMOD	Electricity	Optimization	Optimization	Hour	Nodal resolution	false
Switch	electricity gas hydrologic transport end-use demand carbon sequestration; user-extendable	Power system capacity expansion energy system	Optimization	Hour	buildings, microgrids, city, state, national or continental	true
System Advisor Model (SAM)	power generation	International renewble energy project modeling	Simulation	Minute		true
TIMES	All sectors	Local National Regional Global models developed using TIMES	Optimization	Hour	Local, National, Regional, Global models	true
Temoa	all	energy system optimization model	Optimization	Multi year	single region	true
TransiEnt	electricity district heating Gas	Dynamic system simulation model library	Simulation	Second	Metropolregion Hamburg	false
URBS	User-dependent Electricity	Energy Modelling Framework	Optimization	Hour	User-dependent	true
USENSYS	Electric power	Capacity expansion Reference Energy System	Optimization	Hour	Administrative districts	true

Overview of models by type, software, implementation and processing

Model	Model class	Modelling software	Processing software
AMIRIS	Agent-based electricity market model	Java	Python
ASAM	Agent-based Simulation Market Model Electricity System Model German and European Electricity Market	Python (Pyomo)	Python, PyPSA, Mesa
ASSUME	German and European Electricity Market Network-constrained Unit Commitment and Economic Dispatch Agent-based electricity market model	Python, Pyomo	PostgreSQL
Antares-Simulator	Capacity Expansion Problem Production Cost Model	C++, C	Python, TypeScript
AnyMOD	Framework	Julia/JuMP
Backbone	Framework	GAMS	Spine Toolbox or Excel
Balmorel	Energy System Model	GAMS	Excel, Python (Pandas)
Breakthrough Energy Model	Framework	Julia/JuMP	Python
CAPOW	CAISO and Mid-Columbia markets/U.S. West Coast	Python (Pyomo)
CESAR-P	Swiss building stock	Python, EnergyPlus
Calliope	Framework	Python (Pyomo)	Python (pandas et al)
CapacityExpansion	Capacity Expansion Problem	Julia/JuMP	Julia
DESSTinEE	Simulation	Excel / VBA	Excel / VBA
DIETER	Optimization	GAMS; CPLEX	MS Excel
Demod	Simulation	Python	Python
Dispa-SET	EU power system	Python (Pyomo), GAMS	Python
ELMOD	German and European Electricity Market	GAMS
EMLab-Generation	Agent-based Simulation	Java	R
EMMA	Power market model	GAMS
EOLES elec	Electricity System Model	GAMS
EOLES elecRES	Electricity System Model	GAMS
ESO-X	power system model	GAMS; CPLEX	R
Energy Policy Simulator	System Dynamics	Vensim	Vensim
Energy Transition Model	Demand driven energy model	Developed in-house written in Ruby (on Rails)	Excel / VBA
EnergyRt	Reference Energy System	GAMS; GLPK	R
EnergyScope	Regional energy system design	GLPK/GLPSOL or AMPL/Cplex	Excel
Ficus	energy system optimization model	Python (Pyomo)	Python (pandas et al)
FlexiGIS	urban energy systems	Python	Geopandas
GAMAMOD	German Transmission Grid	GAMS; CPLEX
GENeSYS-MOD	multi‑commodity optimization	GAMS, Julia
GRIMSEL-FLEX	Energy System Model Optimization Social Planner	Python (Pyomo)	Python (pandas et al)
Genesys	Electricity System Model	C++, boost library, MySQL and QT4, (optional CPLEX solver implementation)	Excel/Matlab and a Visualisation tool programmed in QT4 (c++)
GridCal	Transmission Network Model and Data (input and output)	Python	Python
HighRES	European electricity system model GB electricity system model	GAMS; CPLEX	Python
IRENA FlexTool	Multi-purpose	GNU MathProg	Python, SQL
Lemlab	agent-based simulation	Python, Pyomo	PostgreSQL, Ethereum
LoadProfileGenerator		C#
MEDEAS		Phyton	Phyton
Medea	Austrian and German electricity market	GAMS	Python
MicroGridsPy	Energy Modeling Framework	Python (Pyomo)	Excel
Mosaik	distributed energy systems smart grid simulation	Python	HDF5, InfluxDB, Grafana
NEMO		Python
NEMO (SEI)	Full energy system optimization flexible geographic and sectoral scope	Julia	SQLite
OMEGAlpes	Production consumption conversion storage	OMEGAlpes, PuLP
OSeMOSYS		GNU MathProg	Python
Oemof	Energy Modelling Framework	Python, Pyomo, Coin-OR	PostgreSQL, PostGIS
OnSSET		Python	Python
OpenTEPES	Bottom-up energy (electricity & hydrogen & heat) system model	Python / Pyomo	Python / Pandas
OpenTUMFlex	Energy System Model urban energy systems load shifting optimisation Local energy systems	Python (Pyomo)
POMATO	Network-constrained Unit Commitment and Economic Dispatch	Julia/JuMP	Python
Pandapipes		Python
Pandapower	Transmission Network Model	Python	Pandas
PowNet	Network-constrained Unit Commitment and Economic Dispatch	Python (Pyomo)	Python
PowerMatcher		Java
PowerSimulations.jl	quasii-static sequential unit-commitment and economic dispatch problems	Julia	Julia
PowerSimulationsDynamics.jl	Dynamic system simulation model library	Julia	Julia
PowerSystems.jl	Optimization Simulation	Julia	Julia
Pvlib python		Python	NumPy, Pandas
PyLESA	Local energy systems	Python	Python
PyPSA	Energy System Model	Python, Pyomo	Pandas
QuaSi - GenSim	building energy demand	EnergyPlus, OpenStudio, MS Excel, Ruby	MS Excel
QuaSi - ReSiE	multi energy systems in urban scale	Julia	Julia
QuaSi - SoDeLe	PV energy production	Python	Python, MS Excel
REopt	Energy System Model	Julia/JuMP	Python
RHEIA	distributed energy systems energy planning	Python	Python
Region4FLEX	load shifting optimisation	Python	PostgreSQL
Renpass	Electricity System Model / Regional Dispatch Model / Transshipment Model	R	MySQL / R / RMySQL
SIREN	Electricity System Model	Python, NREL SAM	Python
SMS++	in princople all short- to long-term optimization	SMS++	hand-coded C++
SciGRID gas	European Gas Transmission Network Model and Data (input and output)	GeoJSON & CSV
SciGRID power	Transmission Network Model	Python, PostgreSQL	Python, PostgreSQL, Osmosis, osm2pgsql
SimSEE	Optimal energy dispatch	freepascal	freepascal
SimSES	Electrical energy storage system	Python	Python
SpineOpt.jl	Framework	Julia/JuMP	Python, Spine Toolbox
StELMOD	Optimization	GAMS	MS Excel
Switch	Power system capacity expansion energy system	Python, Pyomo	Python, any user-selected software
System Advisor Model (SAM)	International renewble energy project modeling	C++, WxWidgets
TIMES	Local National Regional Global models developed using TIMES	GAMS	EXCEL, VEDA, ANSWER
Temoa	energy system optimization model	Python (Pyomo)	SQLite
TransiEnt	Dynamic system simulation model library	Modelica	Dymola
URBS	Energy Modelling Framework	Python (Pyomo)	Python (pandas et al)
USENSYS	Capacity expansion Reference Energy System	R/energyRt	R

Overview of models by open-source license, data availability etc.

Model	License	Modelling software	Model source public	Data availability	Open future
AMIRIS	Apache License 2.0 (Apache-2.0)	Java	true	all	false
ASAM	GNU General Public License version 3.0 (GPL-3.0)	Python (Pyomo)	true	some	false
ASSUME	Affero General Public License v3 (AGPL-3.0)	Python, Pyomo	true	all	false
Antares-Simulator	GNU General Public License version 3.0 (GPL-3.0)	C++, C	true	some	false
AnyMOD	MIT license (MIT)	Julia/JuMP	true	some	true
Backbone	GNU Library or "Lesser" General Public License version 3.0 (LGPL-3.0)	GAMS	true	some	false
Balmorel	ISC License (ISC)	GAMS	true	all	true
Breakthrough Energy Model	MIT license (MIT)	Julia/JuMP	true	all	false
CAPOW	MIT license (MIT)	Python (Pyomo)	true	all	false
CESAR-P	Affero General Public License v3 (AGPL-3.0)	Python, EnergyPlus	false	some	false
Calliope	Apache License 2.0 (Apache-2.0)	Python (Pyomo)	true	some	true
CapacityExpansion	MIT license (MIT)	Julia/JuMP	true	all	false
DESSTinEE	Creative Commons Attribution Share-Alike 3.0 (CC-BY-SA-3.0)	Excel / VBA	true	all	true
DIETER	MIT license (MIT)	GAMS; CPLEX	true	all	false
Demod	GNU General Public License version 3.0 (GPL-3.0)	Python	true	some	false
Dispa-SET	European Union Public Licence Version 1.1 (EUPL-1.1)	Python (Pyomo), GAMS	true	all	false
ELMOD	MIT license (MIT)	GAMS	true	some	true
EMLab-Generation	Apache License 2.0 (Apache-2.0)	Java	true	some	true
EMMA	Creative Commons Attribution 3.0 (CC-BY-3.0)	GAMS	true	all	true
EOLES elec	Creative Commons Attribution Share-Alike 4.0 (CC-BY-SA-4.0)	GAMS	true	all	false
EOLES elecRES	Creative Commons Attribution Share-Alike 4.0 (CC-BY-SA-4.0)	GAMS	true	all	false
ESO-X	MIT license (MIT)	GAMS; CPLEX	true	all	false
Energy Policy Simulator	GNU General Public License version 3.0 (GPL-3.0)	Vensim	true	all	false
Energy Transition Model	MIT license (MIT)	Developed in-house written in Ruby (on Rails)	true	all	true
EnergyRt	Affero General Public License v3 (AGPL-3.0)	GAMS; GLPK	true		true
EnergyScope	Apache License 2.0 (Apache-2.0)	GLPK/GLPSOL or AMPL/Cplex	true	all	false
Ficus	GNU General Public License version 3.0 (GPL-3.0)	Python (Pyomo)	true	some	true
FlexiGIS	BSD 3-Clause "New" or "Revised" License (BSD-3-Clause)	Python	true	some	false
GAMAMOD	Creative Commons Attribution 4.0 (CC-BY-4.0)	GAMS; CPLEX	true	all	false
GENeSYS-MOD	Apache License 2.0 (Apache-2.0)	GAMS, Julia	true	some	false
GRIMSEL-FLEX	BSD 2-Clause "Simplified" or "FreeBSD" License (BSD-2-Clause)	Python (Pyomo)	true	all	false
Genesys	GNU Library or "Lesser" General Public License version 2.1 (LGPL-2.1)	C++, boost library, MySQL and QT4, (optional CPLEX solver implementation)	false	all	false
GridCal	GNU General Public License version 3.0 (GPL-3.0)	Python	true	all	true
HighRES	MIT license (MIT)	GAMS; CPLEX	false	all	false
IRENA FlexTool	GNU Library or "Lesser" General Public License version 3.0 (LGPL-3.0)	GNU MathProg	true	some	false
Lemlab	GNU General Public License version 3.0 (GPL-3.0)	Python, Pyomo	true	all	false
LoadProfileGenerator	MIT license (MIT)	C#	true	some	false
MEDEAS	MIT license (MIT)	Phyton	false	all	false
Medea	MIT license (MIT)	GAMS	true	all	false
MicroGridsPy	European Union Public Licence Version 1.1 (EUPL-1.1)	Python (Pyomo)	true	all	false
Mosaik	GNU Library or "Lesser" General Public License version 2.1 (LGPL-2.1)	Python	true	some	false
NEMO	GNU General Public License version 3.0 (GPL-3.0)	Python	true	all	true
NEMO (SEI)	Apache License 2.0 (Apache-2.0)	Julia	true		false
OMEGAlpes	Apache License 2.0 (Apache-2.0)	OMEGAlpes, PuLP	true	some	false
OSeMOSYS	Apache License 2.0 (Apache-2.0)	GNU MathProg	true	all	true
Oemof	GNU General Public License version 3.0 (GPL-3.0)	Python, Pyomo, Coin-OR	true	some	true
OnSSET	MIT license (MIT)	Python	true		false
OpenTEPES	Affero General Public License v3 (AGPL-3.0)	Python / Pyomo	true	all	true
OpenTUMFlex	GNU General Public License version 3.0 (GPL-3.0)	Python (Pyomo)	true	some	false
POMATO	GNU Library or "Lesser" General Public License version 3.0 (LGPL-3.0)	Julia/JuMP	true	some	false
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Open Models

Contents

List of models

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Overview of models by purpose, scope and modelling type

Overview of models by type, software, implementation and processing

Overview of models by open-source license, data availability etc.