Skip to content
@NREL

National Renewable Energy Laboratory

Popular repositories Loading

  1. api-umbrella api-umbrella Public

    Open source API management platform

    Ruby 2.1k 344

  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++ 1.3k 441

  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++ 545 215

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 395 189

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 243 172

  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 204 80

Repositories

Showing 10 of 698 repositories
  • osos Public

    Open Source Ops and Statistics (OSOS)

    Python 9 BSD-3-Clause 8 0 0 Updated Jun 30, 2025
  • resstock Public

    Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.

    Ruby 127 78 74 (1 issue needs help) 19 Updated Jun 30, 2025
  • stock-postproc Public
    Python 0 0 0 0 Updated Jun 30, 2025
  • reV Public

    Renewable Energy Potential (reV) Model

    Python 122 BSD-3-Clause 56 23 (3 issues need help) 0 Updated Jun 30, 2025
  • 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.

    Python 11 BSD-3-Clause 0 22 1 Updated Jun 29, 2025
  • gaps Public

    Geospatial Analysis Pipelines (GAPs) is a framework designed to scale single-location geospatial models to a High-Performance Computing (HPC) environment.

    Python 1 BSD-3-Clause 8 8 0 Updated Jun 27, 2025
  • dw-tap-api Public
    HTML 3 BSD-3-Clause 8 36 0 Updated Jun 28, 2025
  • GEOPHIRES-X Public

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

    Python 40 MIT 32 67 0 Updated Jun 28, 2025
  • buildstock-query Public

    BuildStockQuery is a python library for querying datasets generated by ResStock™ and ComStock™.

    Jupyter Notebook 11 BSD-3-Clause 8 14 (1 issue needs help) 3 Updated Jun 28, 2025
  • WAVES Public

    Offshore Wind Farm Lifecycle Estimation

    Python 11 Apache-2.0 9 1 1 Updated Jun 27, 2025
View all repositories