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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++ 535 212

  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 199 76

Repositories

Showing 10 of 682 repositories
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    Ruby 52 24 116 (1 issue needs help) 26 Updated Apr 17, 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 17 Updated Apr 17, 2025
  • pysam Public

    Python Wrapper for the System Advisor Model

    C 116 BSD-3-Clause 70 14 0 Updated Apr 17, 2025
  • buildstock-query Public

    BuildStockQuery is a python library for querying datasets generated by ResStock™ and ComStock™.

    Jupyter Notebook 11 BSD-3-Clause 8 13 (1 issue needs help) 4 Updated Apr 17, 2025
  • vidyut3d Public
    C++ 3 BSD-3-Clause 7 0 0 Updated Apr 17, 2025
  • HOPP Public
    Python 26 BSD-3-Clause 54 66 (1 issue needs help) 2 Updated Apr 17, 2025
  • Ruby 90 65 54 9 Updated Apr 17, 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.

    TypeScript 1 9 107 (1 issue needs help) 1 Updated Apr 17, 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++ 1,231 432 901 42 Updated Apr 17, 2025
  • SolTrace Public

    SolTrace

    C++ 45 39 22 (2 issues need help) 2 Updated Apr 17, 2025