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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 338

  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 425

  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++ 529 210

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 364 185

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 235 172

  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 672 repositories
  • altrios Public
    NREL/altrios’s past year of commit activity
    Rust 20 10 4 9 Updated Mar 15, 2025
  • ninterp Public

    Numerical interpolation in N-dimensions over rectilinear grids

    NREL/ninterp’s past year of commit activity
    Rust 3 BSD-3-Clause 6 1 0 Updated Mar 15, 2025
  • GreenHEART Public
    NREL/GreenHEART’s past year of commit activity
    Python 5 17 41 2 Updated Mar 15, 2025
  • 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 120 77 66 (1 issue needs help) 25 Updated Mar 14, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 49 24 115 (1 issue needs help) 22 Updated Mar 14, 2025
  • nrel_bootstrap Public

    NREL.gov APP branded theme for Bootstrap 3 - based on nrel-app-template - https://github.com/NREL/nrel-app-template

    NREL/nrel_bootstrap’s past year of commit activity
    Twig 0 6 0 0 Updated Mar 14, 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++ 1,202 425 896 37 Updated Mar 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 48 14 Updated Mar 14, 2025
  • blackboxoptim Public

    Surrogate models and active learning for scientific applications.

    NREL/blackboxoptim’s past year of commit activity
    Python 4 GPL-3.0 7 0 1 Updated Mar 14, 2025
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 27 Apache-2.0 33 82 34 Updated Mar 14, 2025