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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 426

  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++ 369 186

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 236 172

  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 198 75

Repositories

Showing 10 of 678 repositories
  • reV Public

    Renewable Energy Potential (reV) Model

    NREL/reV’s past year of commit activity
    Python 118 BSD-3-Clause 53 39 (2 issues need help) 1 Updated Apr 5, 2025
  • rex Public

    REsource eXtraction Tool (rex)

    NREL/rex’s past year of commit activity
    Python 29 BSD-3-Clause 22 8 (1 issue needs help) 0 Updated Apr 5, 2025
  • reVX Public

    The Renewable Energy Potential(V) eXchange Tool: reVX

    NREL/reVX’s past year of commit activity
    Python 25 BSD-3-Clause 17 19 (1 issue needs help) 2 Updated Apr 5, 2025
  • COMPASS Public

    INFRA-COMPASS is a tool that leverages Large Language Models (LLMs) to create and maintain an inventory of state and local codes and ordinances applicable to energy infrastructure.

    NREL/COMPASS’s past year of commit activity
    Python 4 BSD-3-Clause 0 24 0 Updated Apr 5, 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++ 1,207 426 901 42 Updated Apr 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 52 13 56 10 Updated Apr 5, 2025
  • R2X Public

    Model translation framework

    NREL/R2X’s past year of commit activity
    Python 11 BSD-3-Clause 17 16 4 Updated Apr 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 120 78 69 (1 issue needs help) 16 Updated Apr 5, 2025
  • plexosdb Public

    Database Manager for use with PLEXOS XML files

    NREL/plexosdb’s past year of commit activity
    Python 9 BSD-3-Clause 9 2 1 Updated Apr 5, 2025
  • gaps Public

    Geospatial Analysis Pipelines (GAPs) is a framework designed to scale single-location geospatial models to a High-Performance Computing (HPC) environment.

    NREL/gaps’s past year of commit activity
    Python 2 BSD-3-Clause 8 8 0 Updated Apr 5, 2025
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