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Sienna

Open Source Tools for Scientific Energy Systems Analysis

303 followers
Golden, CO
https://nrel-sienna.github.io/Sienna/
@nrel-sienna
https://nrel-sienna.slack.com
https://www.nlr.gov/analysis/sienna.html
sienna@nlr.gov

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PowerSystems.jl PowerSystems.jl Public

Data structures in Julia to enable power systems analysis.

Julia 353 100
PowerSimulations.jl PowerSimulations.jl Public

Julia for optimization simulation and modeling of PowerSystems.

Julia 305 78
PowerSimulationsDynamics.jl PowerSimulationsDynamics.jl Public

Julia package to run Dynamic Power System simulations.

Julia 210 56
PowerGraphics.jl PowerGraphics.jl Public

A package to generate visualizations from PowerSimulations.jl results.

Julia 32 18
PowerNetworkMatrices.jl PowerNetworkMatrices.jl Public

Methods to generate matrix representations of power systems matrices

Julia 27 19
PowerFlows.jl PowerFlows.jl Public

Collection of Power Flow solution methods based on PowerSystems.jl

Julia 27 23

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Showing 10 of 56 repositories

PowerOptimizationModels.jl Public
Utility library for the development of Optimization Models in the Sienna Platform

NREL-Sienna/PowerOptimizationModels.jl’s past year of commit activity

Julia 0 BSD-3-Clause 0 0 0 Updated Jan 13, 2026
PowerNetworkMatrices.jl Public
Methods to generate matrix representations of power systems matrices

NREL-Sienna/PowerNetworkMatrices.jl’s past year of commit activity

Julia 27 BSD-3-Clause 19 36 5 Updated Jan 13, 2026
PowerSystems.jl Public
Data structures in Julia to enable power systems analysis.

NREL-Sienna/PowerSystems.jl’s past year of commit activity

Julia 353 BSD-3-Clause 100 63 (2 issues need help) 7 Updated Jan 13, 2026
PowerFlows.jl Public
Collection of Power Flow solution methods based on PowerSystems.jl

NREL-Sienna/PowerFlows.jl’s past year of commit activity

Julia 27 BSD-3-Clause 23 42 14 Updated Jan 13, 2026
PowerGraphics.jl Public
A package to generate visualizations from PowerSimulations.jl results.

NREL-Sienna/PowerGraphics.jl’s past year of commit activity

Julia 32 BSD-3-Clause 18 17 1 Updated Jan 13, 2026
HybridSystemsSimulations.jl Public
Extension Repository for the simulation of Hybrid Energy Systems with PowerSimulations.jl

NREL-Sienna/HybridSystemsSimulations.jl’s past year of commit activity

Julia 6 BSD-3-Clause 5 1 1 Updated Jan 13, 2026
HydroPowerSimulations.jl Public
Extension of PowerSimulations.jl to model Hydropower devices

NREL-Sienna/HydroPowerSimulations.jl’s past year of commit activity

Julia 11 BSD-3-Clause 12 16 2 Updated Jan 12, 2026
StorageSystemsSimulations.jl Public
Package to simulate the operation of Storage Systems

NREL-Sienna/StorageSystemsSimulations.jl’s past year of commit activity

Julia 7 BSD-3-Clause 13 15 4 Updated Jan 13, 2026
PowerSimulations.jl Public
Julia for optimization simulation and modeling of PowerSystems.

NREL-Sienna/PowerSimulations.jl’s past year of commit activity

Julia 305 BSD-3-Clause 78 100 (1 issue needs help) 16 Updated Jan 13, 2026
PowerSystemsInvestments.jl Public
Modeling library for Power Systems investment models. E.g., Capacity Expansion and Transmission Expansion

NREL-Sienna/PowerSystemsInvestments.jl’s past year of commit activity

Julia 21 BSD-3-Clause 14 28 2 Updated Jan 13, 2026

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