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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
  • GEOPHIRES-X Public

    GEOPHIRES is NREL's free and open-source geothermal techno-economic simulator.

    NREL/GEOPHIRES-X’s past year of commit activity
    Python 36 MIT 32 66 1 Updated Apr 6, 2025
  • NREL/OpenStudio-measure-tester-gem’s past year of commit activity
    HTML 3 7 16 2 Updated Apr 6, 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 0 Updated Apr 5, 2025
  • InSPIRE Public

    Tutorials, scripts and other modeling aspects of agrivoltaics developed by the InSPIRE team

    NREL/InSPIRE’s past year of commit activity
    HTML 14 7 0 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
  • 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 1 Updated Apr 5, 2025
  • 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
  • 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