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National Laboratory of the Rockies

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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++ 1.4k 461

  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++ 575 222

  4. SAM SAM Public

    System Advisor Model (SAM)

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  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 270 182

  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 228 86

Repositories

Showing 10 of 754 repositories
  • NREL/nsai-for-infrastructure’s past year of commit activity
    Jupyter Notebook 1 BSD-3-Clause 1 0 1 Updated Jan 21, 2026
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 60 27 123 (1 issue needs help) 19 Updated Jan 21, 2026
  • r2x-cli Public

    R2X framework repo

    NREL/r2x-cli’s past year of commit activity
    Rust 3 BSD-3-Clause 1 5 10 Updated Jan 21, 2026
  • 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++ 1,388 460 900 27 Updated Jan 21, 2026
  • r2x-plexos Public

    Repo for plugin of PLEXOS

    NREL/r2x-plexos’s past year of commit activity
    Python 2 BSD-3-Clause 1 0 6 Updated Jan 21, 2026
  • r2x-core Public

    R2X framework core package

    NREL/r2x-core’s past year of commit activity
    Python 4 BSD-3-Clause 1 0 1 Updated Jan 21, 2026
  • H2Integrate Public
    NREL/H2Integrate’s past year of commit activity
    PowerBuilder 18 BSD-3-Clause 27 97 13 Updated Jan 21, 2026
  • NREL/DynamicLineRatings’s past year of commit activity
    Jupyter Notebook 6 BSD-3-Clause 10 0 1 Updated Jan 21, 2026
  • SolTrace Public

    SolTrace

    NREL/SolTrace’s past year of commit activity
    C++ 51 44 32 (2 issues need help) 3 Updated Jan 20, 2026
  • 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 47 28 61 8 Updated Jan 20, 2026