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National Renewable Energy Laboratory

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  1. api-umbrella api-umbrella Public

    Open source API management platform

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  2. EnergyPlus 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++ 1.2k 430

  3. OpenStudio 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++ 533 212

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 372 186

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 238 172

  6. OpenOA OpenOA Public

    This library provides a framework for assessing wind plant performance using operational assessment (OA) methodologies that consume time series data from wind plants. The goal of the project is to …

    Jupyter Notebook 199 76

Repositories

Showing 10 of 682 repositories
  • ComStock Public

    National scale modeling of the U.S. commercial building stock supported by U.S. DOE, LADWP, and others and maintained by NREL

    NREL/ComStock’s past year of commit activity
    Ruby 38 26 46 17 Updated Apr 14, 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.

    NREL/NEB-Tool’s past year of commit activity
    TypeScript 1 9 105 (1 issue needs help) 2 Updated Apr 14, 2025
  • osos Public

    Open Source Ops and Statistics (OSOS)

    NREL/osos’s past year of commit activity
    Python 9 BSD-3-Clause 8 0 0 Updated Apr 14, 2025
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 27 Apache-2.0 34 83 35 Updated Apr 14, 2025
  • fastsim Public
    NREL/fastsim’s past year of commit activity
    Rust 27 14 4 13 Updated Apr 14, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 52 24 116 (1 issue needs help) 24 Updated Apr 13, 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.

    NREL/EnergyPlus’s past year of commit activity
    C++ 1,230 430 903 38 Updated Apr 14, 2025
  • sup3r Public

    The Super-Resolution for Renewable Resource Data (sup3r) software uses generative adversarial networks to create synthetic high-resolution wind and solar spatiotemporal data from coarse low-resolution inputs.

    NREL/sup3r’s past year of commit activity
    Python 96 BSD-3-Clause 28 2 3 Updated Apr 13, 2025
  • dw-tap-api Public
    NREL/dw-tap-api’s past year of commit activity
    HTML 2 BSD-3-Clause 8 29 2 Updated Apr 13, 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.

    NREL/COMPASS’s past year of commit activity
    Python 6 BSD-3-Clause 0 25 1 Updated Apr 13, 2025
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