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National Renewable Energy Laboratory

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  1. api-umbrella api-umbrella Public

    Open source API management platform

    Ruby 2k 326

  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 397

  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++ 513 195

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 348 151

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 223 157

  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 196 63

Repositories

Showing 10 of 660 repositories
  • 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 114 57 63 (1 issue needs help) 29 Updated Jan 10, 2025
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 27 Apache-2.0 20 81 34 Updated Jan 10, 2025
  • LiAISON Public

    Lifecyle Analysis Integration into Scalable Opensource Numerical models (LiAISON)

    NREL/LiAISON’s past year of commit activity
    Python 12 BSD-3-Clause 2 15 0 Updated Jan 10, 2025
  • OpenStudio-server Public

    The OpenStudio Server is a docker or Helm deployable instance which allows for large-scale parametric analyses of building energy models using the OpenStudio or URBANopt CLIs.

    NREL/OpenStudio-server’s past year of commit activity
    Ruby 49 20 4 1 Updated Jan 10, 2025
  • ComStock.github.io Public
    NREL/ComStock.github.io’s past year of commit activity
    Jupyter Notebook 0 MIT 3 0 0 Updated Jan 10, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 47 17 107 (1 issue needs help) 21 Updated Jan 10, 2025
  • altrios Public
    NREL/altrios’s past year of commit activity
    Rust 18 5 4 10 Updated Jan 9, 2025
  • R2X Public

    Model translation framework

    NREL/R2X’s past year of commit activity
    Python 7 BSD-3-Clause 4 23 3 Updated Jan 10, 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 36 11 11 0 Updated Jan 9, 2025
  • PVade Public

    PVade is a fluid-structure interaction solver for studying wind loading and aerodynamic stability in solar-tracking PV arrays.

    NREL/PVade’s past year of commit activity
    Python 5 BSD-3-Clause 5 28 4 Updated Jan 9, 2025
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