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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 339

  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 427

  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++ 532 211

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 368 186

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 237 172

  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 75

Repositories

Showing 10 of 675 repositories
  • R2X Public

    Model translation framework

    NREL/R2X’s past year of commit activity
    Python 11 BSD-3-Clause 17 22 3 Updated Mar 26, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 50 24 113 (1 issue needs help) 25 Updated Mar 26, 2025
  • scikit-sundae Public

    Python bindings to SUNDIALS differential algebraic equation solvers

    NREL/scikit-sundae’s past year of commit activity
    Cython 3 BSD-3-Clause 7 0 0 Updated Mar 25, 2025
  • openstudio-standards Public
    NREL/openstudio-standards’s past year of commit activity
    Ruby 89 65 56 10 Updated Mar 25, 2025
  • nsrdb Public

    NSRDB data processing pipeline. Includes satellite data assimilation, cloud property prediction and gap-filling, radiative transport modeling, and data collection.

    NREL/nsrdb’s past year of commit activity
    Python 9 BSD-3-Clause 16 1 0 Updated Mar 25, 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 120 78 68 (1 issue needs help) 23 Updated Mar 25, 2025
  • AeroMesh Public
    NREL/AeroMesh’s past year of commit activity
    Python 2 BSD-3-Clause 0 0 0 Updated Mar 25, 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 47 (2 issues need help) 2 Updated Mar 25, 2025
  • GreenHEART Public
    NREL/GreenHEART’s past year of commit activity
    Python 5 17 44 2 Updated Mar 25, 2025
  • SDOM Public
    NREL/SDOM’s past year of commit activity
    GAMS 2 BSD-3-Clause 6 0 1 Updated Mar 25, 2025
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