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National Renewable Energy Laboratory

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  1. api-umbrella api-umbrella Public

    Open source API management platform

    Ruby 2k 327

  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 400

  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++ 519 196

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 352 151

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 225 157

  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 197 63

Repositories

Showing 10 of 663 repositories
  • 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 7 BSD-3-Clause 2 17 0 Updated Jan 26, 2025
  • pCrunch Public
    NREL/pCrunch’s past year of commit activity
    Python 8 Apache-2.0 11 2 1 Updated Jan 26, 2025
  • R2X Public

    Model translation framework

    NREL/R2X’s past year of commit activity
    Python 7 BSD-3-Clause 4 21 1 Updated Jan 26, 2025
  • hsds-examples Public

    Examples of using the HSDS Service to Access NREL WIND Toolkit data

    NREL/hsds-examples’s past year of commit activity
    Jupyter Notebook 106 42 10 0 Updated Jan 26, 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 116 58 63 (1 issue needs help) 28 Updated Jan 26, 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 91 BSD-3-Clause 11 2 1 Updated Jan 25, 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++ 1,181 400 903 49 Updated Jan 25, 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 94 46 44 13 Updated Jan 25, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 48 17 111 (1 issue needs help) 22 Updated Jan 25, 2025
  • OpenStudio-ERI Public

    Energy Rating Index (ERI) calculation via OpenStudio/EnergyPlus.

    NREL/OpenStudio-ERI’s past year of commit activity
    Ruby 20 9 6 6 Updated Jan 25, 2025
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