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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 460

  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++ 574 222

  4. SAM SAM Public

    System Advisor Model (SAM)

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  5. floris floris Public

    A controls-oriented engineering wake model.

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  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 227 86

Repositories

Showing 10 of 754 repositories
  • torc Public

    Workflow management system

    NREL/torc’s past year of commit activity
    Rust 7 BSD-3-Clause 2 2 1 Updated Jan 18, 2026
  • r2x-cli Public

    R2X framework repo

    NREL/r2x-cli’s past year of commit activity
    Rust 3 BSD-3-Clause 1 5 7 Updated Jan 18, 2026
  • NREL/openstudio-standards’s past year of commit activity
    Ruby 100 66 58 6 Updated Jan 18, 2026
  • sparkctl Public

    Orchestrates Spark clusters on HPCs

    NREL/sparkctl’s past year of commit activity
    Python 2 BSD-3-Clause 1 2 2 Updated Jan 18, 2026
  • celavi Public

    Codebase for the Circular Economy Lifecycle Assessment and VIsualization (CELAVI) modeling framework.

    NREL/celavi’s past year of commit activity
    Python 17 GPL-3.0 16 9 1 Updated Jan 17, 2026
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 38 Apache-2.0 47 92 39 Updated Jan 17, 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++ 1,387 460 897 28 Updated Jan 17, 2026
  • r2x-core Public

    R2X framework core package

    NREL/r2x-core’s past year of commit activity
    Python 4 BSD-3-Clause 1 1 2 Updated Jan 17, 2026
  • altrios Public
    NREL/altrios’s past year of commit activity
    Rust 27 14 9 11 Updated Jan 17, 2026
  • bifacial_radiance Public

    Toolkit for working with RADIANCE for the ray-trace modeling of Bifacial Photovoltaics

    NREL/bifacial_radiance’s past year of commit activity
    HTML 102 BSD-3-Clause 57 82 1 Updated Jan 17, 2026