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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 329

  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 402

  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++ 521 198

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 353 153

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 226 159

  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 664 repositories
  • R2X Public

    Model translation framework

    NREL/R2X’s past year of commit activity
    Python 8 BSD-3-Clause 5 21 4 Updated Feb 4, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 48 17 110 (1 issue needs help) 21 Updated Feb 5, 2025
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 27 Apache-2.0 20 80 31 Updated Feb 5, 2025
  • dw-tap-api Public
    NREL/dw-tap-api’s past year of commit activity
    HTML 2 BSD-3-Clause 2 18 3 Updated Feb 5, 2025
  • BuildingMOTIF Public

    Building Metadata OnTology Interoperability Framework (BuildingMOTIF). For models, see https://models.open223.info/

    NREL/BuildingMOTIF’s past year of commit activity
    Jupyter Notebook 50 8 54 12 Updated Feb 5, 2025
  • OCHRE Public

    A Python-based building energy modeling (BEM) tool designed to model flexible loads in residential buildings

    NREL/OCHRE’s past year of commit activity
    Python 49 BSD-3-Clause 13 82 (1 issue needs help) 5 Updated Feb 5, 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 108 43 11 0 Updated Feb 5, 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 118 60 63 (1 issue needs help) 22 Updated Feb 5, 2025
  • multiscale-biomass-pyrolysis Public
    NREL/multiscale-biomass-pyrolysis’s past year of commit activity
    C++ 2 BSD-3-Clause 1 1 0 Updated Feb 4, 2025
  • T3CO Public

    Transportation Technology Total Cost of Ownership tool

    NREL/T3CO’s past year of commit activity
    Python 11 BSD-3-Clause 1 5 0 Updated Feb 4, 2025
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