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National Laboratory of the Rockies

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  1. api-umbrella api-umbrella Public

    Open source API management platform

    Ruby 2.1k 365

  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++ 422 204

  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 226 86

Repositories

Showing 10 of 755 repositories
  • R2X Public

    Model translation framework

    NREL/R2X’s past year of commit activity
    Python 14 BSD-3-Clause 17 26 3 Updated Jan 14, 2026
  • r2x-cli Public

    R2X framework repo

    NREL/r2x-cli’s past year of commit activity
    Rust 3 BSD-3-Clause 1 5 10 Updated Jan 14, 2026
  • COMPASS Public

    INFRA-COMPASS is a tool that leverages Large Language Models (LLMs) to create and maintain an inventory of state and local codes and ordinances applicable to energy infrastructure.

    NREL/COMPASS’s past year of commit activity
    Python 14 BSD-3-Clause 3 90 3 Updated Jan 14, 2026
  • r2x-reeds Public

    Reeds parser and models

    NREL/r2x-reeds’s past year of commit activity
    Python 2 BSD-3-Clause 2 3 2 Updated Jan 14, 2026
  • reVRt Public

    The reV Routing tool introduces a spatially-aware, least-cost-path methodology that allows users to consider siting constraints, regional component costs, land composition costs, point-of-interconnection costs, and network upgrade costs to estimate the transmission infrastructure requirements for new electrical grid connections.

    NREL/reVRt’s past year of commit activity
    Python 2 BSD-3-Clause 1 40 2 Updated Jan 13, 2026
  • HPC Public

    A collection of various resources, examples, and executables for the general NREL HPC user community's benefit. Use the following website for accessing documentation.

    NREL/HPC’s past year of commit activity
    Jupyter Notebook 141 84 55 10 Updated Jan 13, 2026
  • SolTrace Public

    SolTrace

    NREL/SolTrace’s past year of commit activity
    C++ 51 44 32 (2 issues need help) 3 Updated Jan 13, 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) 19 Updated Jan 13, 2026
  • geoPFA Public

    Geothermal Play Fairway Analysis

    NREL/geoPFA’s past year of commit activity
    Python 3 BSD-3-Clause 1 0 0 Updated Jan 13, 2026
  • pCrunch Public
    NREL/pCrunch’s past year of commit activity
    Python 9 Apache-2.0 19 0 0 Updated Jan 13, 2026