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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 432

  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++ 536 212

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 374 186

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 239 172

  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 200 76

Repositories

Showing 10 of 682 repositories
  • infrasys Public

    Data store for components and time series in support of Python-based modeling packages

    Python 9 BSD-3-Clause 8 16 3 Updated Apr 20, 2025
  • phygnn Public

    physics-guided neural networks (phygnn)

    Python 92 BSD-3-Clause 30 4 0 Updated Apr 20, 2025
  • resstock Public

    Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.

    Ruby 122 78 68 (1 issue needs help) 17 Updated Apr 20, 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

    Ruby 38 26 46 17 Updated Apr 19, 2025
  • PH-Training Public
    Julia 0 6 0 0 Updated Apr 19, 2025
  • sup3r Public

    The Super-Resolution for Renewable Resource Data (sup3r) software uses generative adversarial networks to create synthetic high-resolution wind and solar spatiotemporal data from coarse low-resolution inputs.

    Python 96 BSD-3-Clause 29 2 2 Updated Apr 19, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    Ruby 52 24 116 (1 issue needs help) 26 Updated Apr 19, 2025
  • 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)

    Python 101 56 44 15 Updated Apr 19, 2025
  • fastsim Public
    Rust 27 14 4 14 Updated Apr 19, 2025
  • reVX Public

    The Renewable Energy Potential(V) eXchange Tool: reVX

    Python 26 BSD-3-Clause 17 16 (1 issue needs help) 2 Updated Apr 19, 2025
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