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National Renewable Energy Laboratory

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  1. api-umbrella api-umbrella Public

    Open source API management platform

    Ruby 2.1k 341

  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 432

  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++ 536 212

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 374 186

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 239 172

  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 200 76

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Showing 10 of 682 repositories
  • 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 29 2 2 Updated Apr 21, 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++ 1,233 432 902 42 Updated Apr 21, 2025
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 27 Apache-2.0 34 83 34 Updated Apr 21, 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 21 1 Updated Apr 20, 2025
  • reVX Public

    The Renewable Energy Potential(V) eXchange Tool: reVX

    NREL/reVX’s past year of commit activity
    Python 26 BSD-3-Clause 17 15 (1 issue needs help) 2 Updated Apr 20, 2025
  • rex Public

    REsource eXtraction Tool (rex)

    NREL/rex’s past year of commit activity
    Python 29 BSD-3-Clause 22 7 (1 issue needs help) 1 Updated Apr 20, 2025
  • infrasys Public

    Data store for components and time series in support of Python-based modeling packages

    NREL/infrasys’s past year of commit activity
    Python 9 BSD-3-Clause 8 16 4 Updated Apr 20, 2025
  • phygnn Public

    physics-guided neural networks (phygnn)

    NREL/phygnn’s past year of commit activity
    Python 92 BSD-3-Clause 30 4 0 Updated Apr 20, 2025
  • resstock Public

    Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.

    NREL/resstock’s past year of commit activity
    Ruby 122 78 68 (1 issue needs help) 17 Updated Apr 20, 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

    NREL/ComStock’s past year of commit activity
    Ruby 38 26 46 17 Updated Apr 19, 2025
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