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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 458

  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++ 421 204

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 270 181

  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 225 86

Repositories

Showing 10 of 752 repositories
  • torc Public

    Workflow management system

    NREL/torc’s past year of commit activity
    Rust 3 BSD-3-Clause 2 2 1 Updated Jan 4, 2026
  • R2X Public

    Model translation framework

    NREL/R2X’s past year of commit activity
    Python 14 BSD-3-Clause 17 26 3 Updated Jan 4, 2026
  • jade Public

    Provides HPC workflow automation services

    NREL/jade’s past year of commit activity
    Python 14 BSD-3-Clause 12 7 0 Updated Jan 3, 2026
  • reedling Public
    NREL/reedling’s past year of commit activity
    R 0 GPL-3.0 1 1 0 Updated Jan 3, 2026
  • 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 55 56 17 3 Updated Jan 3, 2026
  • OCHRE Public

    A Python-based building energy modeling (BEM) tool designed to model flexible loads in residential buildings

    NREL/OCHRE’s past year of commit activity
    Python 68 BSD-3-Clause 31 87 (1 issue needs help) 6 Updated Jan 3, 2026
  • routee-compass Public

    An energy-aware vehicle routing engine

    NREL/routee-compass’s past year of commit activity
    Rust 26 BSD-3-Clause 16 65 (5 issues need help) 4 Updated Jan 3, 2026
  • r2x-plexos Public

    Repo for plugin of PLEXOS

    NREL/r2x-plexos’s past year of commit activity
    Python 2 BSD-3-Clause 1 0 5 Updated Jan 3, 2026
  • cmlm Public

    Code for generating/testing reduced-order manifold turbulent combustion models, for stand alone analysis and use with the Pele suite of reacting flow solvers. Supports both tabulated physics-based approaches and machine learning/neural network approaches.

    NREL/cmlm’s past year of commit activity
    Python 4 BSD-3-Clause 11 0 0 Updated Jan 2, 2026
  • LiAISON Public

    Lifecyle Analysis Integration into Scalable Opensource Numerical models (LiAISON)

    NREL/LiAISON’s past year of commit activity
    Python 15 BSD-3-Clause 9 18 0 Updated Jan 2, 2026