Skip to content

@NREL National Renewable Energy Laboratory

Change the repository type filter

All

    Repositories list

    721 repositories

    • resstock

      Public
      Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.
      Ruby
      •
      Other
      •80•129•73•24•Updated Sep 11, 2025Sep 11, 2025

    • EnergyPlus

      Public
      EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buildings.
      C++
      •
      Other
      •444•1.3k•920•61•Updated Sep 11, 2025Sep 11, 2025

    • OCHRE

      Public
      A Python-based building energy modeling (BEM) tool designed to model flexible loads in residential buildings
      buildingsresidentialload-shiftingdistributed-energy-resourcesresidential-controls
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •26•61•86•6•Updated Sep 11, 2025Sep 11, 2025

    • OpenStudio

      Public
      OpenStudio is a cross-platform collection of software tools to support whole building energy modeling using EnergyPlus and advanced daylight analysis using Radiance.
      C++
      •
      Other
      •216•553•210•20•Updated Sep 11, 2025Sep 11, 2025

    • PVDegradationTools

      Public
      Set of tools to calculate degradation responses and degradation related parameters for PV.
      pythonreliabilitydegradationphotovoltaic-systemspv-modulesduramat
      Jupyter Notebook
      •
      Other
      •20•38•40•5•Updated Sep 11, 2025Sep 11, 2025

    • ampworks

      Public
      Battery data analysis tools in Python
      experimentdatabatteryanalysisicalithium-iongittdqdvlab-scalemodel-parameters
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •1•9•0•0•Updated Sep 11, 2025Sep 11, 2025

    • REopt.jl

      Public
      Julia
      •
      Apache License 2.0
      •39•34•84•30•Updated Sep 11, 2025Sep 11, 2025

    • Exagoop

      Public
      C++
      •5•9•0•3•Updated Sep 11, 2025Sep 11, 2025

    • ComStock

      Public
      National scale modeling of the U.S. commercial building stock supported by U.S. DOE, LADWP, and others and maintained by NREL
      Ruby
      •
      Other
      •27•42•53•7•Updated Sep 11, 2025Sep 11, 2025

    • InSPIRE

      Public
      Tutorials, scripts and other modeling aspects of agrivoltaics developed by the InSPIRE team
      HTML
      •
      Other
      •7•13•0•0•Updated Sep 11, 2025Sep 11, 2025

    • COMPASS

      Public
      INFRA-COMPASS is a tool that leverages Large Language Models (LLMs) to create and maintain an inventory of state and local codes and ordinances applicable to energy infrastructure.
      infrastructureautomationaipermittingenergy-analysisordinancessitingenergy-policyllm
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •0•13•28•1•Updated Sep 11, 2025Sep 11, 2025

    • ssc

      Public
      SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •109•88•30•5•Updated Sep 11, 2025Sep 11, 2025

    • DynamicLineRatings

      Public
      Jupyter Notebook
      •
      BSD 3-Clause "New" or "Revised" License
      •9•3•0•1•Updated Sep 11, 2025Sep 11, 2025

    • NEB-Tool

      Public
      A user friendly, graphical, open-source application (Web/Mac/Windows) of the multiple benefits framework for non-energy benefits, incorporating additional aspects to make the tool effective for use in the United States.
      TypeScript
      •
      Other
      •8•2•59•0•Updated Sep 11, 2025Sep 11, 2025

    • openstudio-standards

      Public
      Ruby
      •
      Other
      •68•96•61•6•Updated Sep 11, 2025Sep 11, 2025

    • plexosdb

      Public
      Database Manager for use with PLEXOS XML files
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •13•18•4•1•Updated Sep 11, 2025Sep 11, 2025

    • OpenStudio-HPXML

      Public
      Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.
      Ruby
      •
      Other
      •26•53•123•20•Updated Sep 11, 2025Sep 11, 2025

    • PRAS

      Public
      NREL's Probabilistic Resource Adequacy Suite (PRAS)
      Julia
      •25•65•23•2•Updated Sep 11, 2025Sep 11, 2025

    • routee-compass

      Public
      An energy-aware vehicle routing engine
      routingnetworksroute-planningroad-networkseco-routing
      Rust
      •
      BSD 3-Clause "New" or "Revised" License
      •15•19•62•3•Updated Sep 11, 2025Sep 11, 2025

    • ROSCO

      Public
      A Reference Open Source Controller for Wind Turbines
      Python
      •
      Apache License 2.0
      •108•138•10•2•Updated Sep 11, 2025Sep 11, 2025

    • bambam

      Public
      Rust
      •
      BSD 3-Clause "New" or "Revised" License
      •1•0•8•1•Updated Sep 11, 2025Sep 11, 2025

    • BuildingMOTIF

      Public
      Building Metadata OnTology Interoperability Framework (BuildingMOTIF). For models, see https://models.open223.info/
      Jupyter Notebook
      •
      Other
      •16•58•59•11•Updated Sep 11, 2025Sep 11, 2025

    • R2X

      Public
      Model translation framework
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •16•13•25•3•Updated Sep 11, 2025Sep 11, 2025

    • SAM

      Public
      System Advisor Model (SAM)
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •193•407•77•4•Updated Sep 11, 2025Sep 11, 2025

    • REopt_API

      Public
      The model for the REopt API, which is used as the back-end for the REopt Webtool (reopt.nrel.gov/tool), and can be accessed directly via the NREL Developer Network (https://developer.nrel.gov/docs/energy-optimization/reopt)
      nrelrenewable-energyreopt-lite-apireopt-apireoptjloptimization
      Python
      •
      Other
      •61•110•43•8•Updated Sep 11, 2025Sep 11, 2025

    • ESIFHPC4

      Public
      Benchmarks repository for NREL's ESIF-HPC-4 project
      C
      •3•1•0•4•Updated Sep 11, 2025Sep 11, 2025

    • everest-core

      Public
      C++
      •
      Apache License 2.0
      •1•1•0•0•Updated Sep 11, 2025Sep 11, 2025

    • wex

      Public
      WEX, which is short for WxWidgets Extensions, is a cross-platform library of graphical user interface tools that extends the popular open-source project WxWidgets. WEX includes many features including the powerful DView program (https://github.com/NREL/wex/wiki/DView), which provides an easy-to-use way to visualize complex time series data.
      C
      •
      BSD 3-Clause "New" or "Revised" License
      •32•63•28•0•Updated Sep 11, 2025Sep 11, 2025

    • lk

      Public
      LK (Language Kit) is a simple but powerful scripting language that is designed to be small, fast, and easily embedded in other applications. The core LK engine, including lexical analyzer, parser, compiler, and virtual machine is only dependent on the Standard C++ Library (STL), making it extremely lightweight and portable.
      C
      •
      BSD 3-Clause "New" or "Revised" License
      •28•34•0•0•Updated Sep 11, 2025Sep 11, 2025

    • developer.nrel.gov

      Public
      An issue tracker for NREL's APIs available at https://developer.nrel.gov
      HTML
      •55•53•15•2•Updated Sep 11, 2025Sep 11, 2025