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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 335

  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 423

  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++ 525 208

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 356 181

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 229 171

  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 74

Repositories

Showing 10 of 668 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 119 75 65 (1 issue needs help) 24 Updated Feb 22, 2025
  • developer.nrel.gov Public

    An issue tracker for NREL's APIs available at https://developer.nrel.gov

    NREL/developer.nrel.gov’s past year of commit activity
    HTML 48 48 17 8 Updated Feb 22, 2025
  • reV Public

    Renewable Energy Potential (reV) Model

    NREL/reV’s past year of commit activity
    Python 113 BSD-3-Clause 52 42 (2 issues need help) 3 Updated Feb 22, 2025
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 26 Apache-2.0 32 80 33 Updated Feb 22, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 48 23 110 (1 issue needs help) 21 Updated Feb 21, 2025
  • routee-compass Public

    An energy-aware vehicle routing engine

    NREL/routee-compass’s past year of commit activity
    Rust 13 BSD-3-Clause 12 48 (2 issues need help) 4 Updated Feb 21, 2025
  • GEOPHIRES-X Public

    GEOPHIRES is NREL's free and open-source geothermal techno-economic simulator.

    NREL/GEOPHIRES-X’s past year of commit activity
    Python 34 MIT 30 51 (1 issue needs help) 0 Updated Feb 21, 2025
  • fastsim Public
    NREL/fastsim’s past year of commit activity
    Python 25 Apache-2.0 12 3 14 Updated Feb 21, 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.

    NREL/sup3r’s past year of commit activity
    Python 93 BSD-3-Clause 27 2 1 Updated Feb 21, 2025
  • pysam Public

    Python Wrapper for the System Advisor Model

    NREL/pysam’s past year of commit activity
    C 112 BSD-3-Clause 70 14 1 Updated Feb 21, 2025
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