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National Laboratory of the Rockies

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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++ 1.4k 460

  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++ 574 222

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 423 204

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 270 182

  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 227 86

Repositories

Showing 10 of 754 repositories
  • bambam Public
    NREL/bambam’s past year of commit activity
    Rust 1 BSD-3-Clause 2 12 0 Updated Jan 16, 2026
  • ReEDS-2.0 Public
    NREL/ReEDS-2.0’s past year of commit activity
    Python 167 BSD-3-Clause 77 7 0 Updated Jan 16, 2026
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 38 Apache-2.0 47 92 39 Updated Jan 16, 2026
  • 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 139 80 66 (1 issue needs help) 25 Updated Jan 16, 2026
  • OpenStudio-HPXML-Calibration Public

    A package to automatically calibrate an HPXML model to utility bills

    NREL/OpenStudio-HPXML-Calibration’s past year of commit activity
    Ruby 6 1 17 (1 issue needs help) 2 Updated Jan 16, 2026
  • OpenStudio-ERI Public

    Energy Rating Index (ERI) calculation via OpenStudio/EnergyPlus.

    NREL/OpenStudio-ERI’s past year of commit activity
    Ruby 24 19 6 2 Updated Jan 16, 2026
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 60 27 122 (1 issue needs help) 18 Updated Jan 16, 2026
  • soogo Public

    Surrogate-based 0-th Order Global Optimization for black-box problems.

    NREL/soogo’s past year of commit activity
    Python 5 GPL-3.0 9 0 1 Updated Jan 16, 2026
  • torc Public

    Workflow management system

    NREL/torc’s past year of commit activity
    Rust 7 BSD-3-Clause 2 2 0 Updated Jan 16, 2026
  • NREL/agrivoltaics_irradiance_database_io’s past year of commit activity
    Python 2 1 0 0 Updated Jan 16, 2026