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National Renewable Energy Laboratory

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  1. api-umbrella api-umbrella Public

    Open source API management platform

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  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.

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  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.

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    System Advisor Model (SAM)

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  5. floris floris Public

    A controls-oriented engineering wake model.

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  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 …

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Showing 10 of 682 repositories
  • 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 6 BSD-3-Clause 0 25 1 Updated Apr 15, 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++ 1,230 431 903 39 Updated Apr 15, 2025
  • OpenStudio-ERI Public

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

    NREL/OpenStudio-ERI’s past year of commit activity
    Ruby 21 17 6 6 Updated Apr 15, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 52 24 116 (1 issue needs help) 24 Updated Apr 15, 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 15, 2025
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 27 Apache-2.0 34 83 35 Updated Apr 14, 2025
  • FuelLib Public

    FuelLib is a library that utilizes the group contribution method (GCM) for calculating thermodynamic properties of hydro-carbon jet fuels.

    NREL/FuelLib’s past year of commit activity
    Python 0 BSD-3-Clause 0 0 0 Updated Apr 14, 2025
  • ComStock Public

    National scale modeling of the U.S. commercial building stock supported by U.S. DOE, LADWP, and others and maintained by NREL

    NREL/ComStock’s past year of commit activity
    Ruby 38 26 46 16 Updated Apr 14, 2025
  • AeroMesh Public
    NREL/AeroMesh’s past year of commit activity
    Python 4 BSD-3-Clause 0 0 0 Updated Apr 14, 2025
  • PV_ICE Public

    An open-source tool to quantify Solar Photovoltaics (PV) Energy and Mass Flows in the Circular Economy, from a Reliability and Lifetime approach

    NREL/PV_ICE’s past year of commit activity
    HTML 38 19 11 0 Updated Apr 14, 2025
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