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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.

    C++ 1.2k 394

  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++ 511 195

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 347 149

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 220 157

  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 195 63

Repositories

Showing 10 of 657 repositories
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 46 17 107 (1 issue needs help) 21 Updated Dec 25, 2024
  • 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.

    NREL/OpenStudio’s past year of commit activity
    C++ 511 195 201 8 Updated Dec 25, 2024
  • 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++ 1,163 394 898 51 Updated Dec 25, 2024
  • thevenin Public

    Equivalent circuit models in Python.

    NREL/thevenin’s past year of commit activity
    Python 0 BSD-3-Clause 0 0 1 Updated Dec 25, 2024
  • chronify Public
    NREL/chronify’s past year of commit activity
    Python 1 BSD-3-Clause 0 16 1 Updated Dec 24, 2024
  • 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 36 11 11 0 Updated Dec 24, 2024
  • 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 112 57 62 (1 issue needs help) 29 Updated Dec 24, 2024
  • REopt_API Public

    The model for the REopt API, which is used as the back-end for the REopt Webtool (reopt.nrel.gov/tool), and can be accessed directly via the NREL Developer Network (https://developer.nrel.gov/docs/energy-optimization/reopt)

    NREL/REopt_API’s past year of commit activity
    Python 91 47 44 13 Updated Dec 24, 2024
  • openstudio-standards Public
    NREL/openstudio-standards’s past year of commit activity
    Ruby 85 58 56 8 Updated Dec 24, 2024
  • openstudio-ee-gem Public
    NREL/openstudio-ee-gem’s past year of commit activity
    Ruby 1 0 4 2 Updated Dec 24, 2024
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