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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 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)

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  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

Repositories

Showing 10 of 682 repositories
  • 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 1 9 103 1 Updated Apr 22, 2025
  • api-umbrella Public

    Open source API management platform

    Ruby 2,061 MIT 341 228 8 Updated Apr 22, 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)

    Python 101 56 44 15 Updated Apr 22, 2025
  • infrasys Public

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

    Python 9 BSD-3-Clause 8 16 3 Updated Apr 22, 2025
  • resstock Public

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

    Ruby 122 78 68 (1 issue needs help) 18 Updated Apr 22, 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 38 26 46 18 Updated Apr 22, 2025
  • altrios Public
    Rust 20 10 5 7 Updated Apr 22, 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++ 1,234 432 902 43 Updated Apr 22, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    Ruby 52 24 116 (1 issue needs help) 26 Updated Apr 22, 2025
  • phygnn Public

    physics-guided neural networks (phygnn)

    Python 92 BSD-3-Clause 30 4 1 Updated Apr 22, 2025
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