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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

Repositories

Showing 10 of 682 repositories
  • 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
  • PH-Training Public
    NREL/PH-Training’s past year of commit activity
    Julia 0 6 0 0 Updated Apr 19, 2025
  • 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 19, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 52 24 116 (1 issue needs help) 26 Updated Apr 19, 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 19, 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)

    NREL/REopt_API’s past year of commit activity
    Python 101 56 44 15 Updated Apr 19, 2025
  • fastsim Public
    NREL/fastsim’s past year of commit activity
    Rust 27 14 4 14 Updated Apr 19, 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 16 (1 issue needs help) 2 Updated Apr 19, 2025
  • reV Public

    Renewable Energy Potential (reV) Model

    NREL/reV’s past year of commit activity
    Python 118 BSD-3-Clause 55 36 (4 issues need help) 1 Updated Apr 19, 2025
  • routee-compass Public

    An energy-aware vehicle routing engine

    NREL/routee-compass’s past year of commit activity
    Rust 13 BSD-3-Clause 12 49 (2 issues need help) 2 Updated Apr 18, 2025
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