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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.

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  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.

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  4. SAM SAM Public

    System Advisor Model (SAM)

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  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 240 171

  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 201 78

Repositories

Showing 10 of 687 repositories
  • celavi Public

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

    Python 13 GPL-3.0 15 14 1 Updated May 1, 2025
  • BESTEST-GSR Public
    Ruby 7 7 6 0 Updated May 1, 2025
  • vidyut3d Public
    C++ 3 BSD-3-Clause 7 0 1 Updated May 1, 2025
  • WETOStack Public
    TeX 6 10 0 1 Updated May 1, 2025
  • H2Integrate Public
    Python 8 18 51 2 Updated May 1, 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 57 44 15 Updated May 1, 2025
  • HOPP Public
    Python 26 BSD-3-Clause 55 65 (1 issue needs help) 2 Updated Apr 30, 2025
  • WEIS-CTOpt Public
    Roff 0 Apache-2.0 0 0 0 Updated Apr 30, 2025
  • dgen Public

    The Distributed Generation Market Demand (dGen) model simulates customer adoption of distributed energy resources (DERs) for residential, commercial, and industrial entities in the United States and other countries.

    Python 64 BSD-3-Clause 156 23 10 Updated Apr 30, 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 39 26 45 9 Updated Apr 30, 2025