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 341

  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 429

  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++ 532 212

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 370 186

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 236 172

  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 198 75

Repositories

Showing 10 of 682 repositories
  • 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 5 BSD-3-Clause 0 25 1 Updated Apr 10, 2025
  • 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 120 78 69 (1 issue needs help) 20 Updated Apr 10, 2025
  • ComStock Public

    National scale modeling of the U.S. commercial building stock supported by U.S. DOE, LADWP, and others and maintained by NREL

    NREL/ComStock’s past year of commit activity
    Ruby 38 26 47 17 Updated Apr 10, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    NREL/OpenStudio-HPXML’s past year of commit activity
    Ruby 52 24 116 (1 issue needs help) 24 Updated Apr 10, 2025
  • PV_ICE Public

    An open-source tool to quantify Solar Photovoltaics (PV) Energy and Mass Flows in the Circular Economy, from a Reliability and Lifetime approach

    NREL/PV_ICE’s past year of commit activity
    HTML 36 19 11 0 Updated Apr 9, 2025
  • pvdaq_access Public
    NREL/pvdaq_access’s past year of commit activity
    Jupyter Notebook 2 10 2 0 Updated Apr 9, 2025
  • NREL/inspire_oedi_access’s past year of commit activity
    Jupyter Notebook 0 0 0 0 Updated Apr 9, 2025
  • 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.

    NREL/EnergyPlus’s past year of commit activity
    C++ 1,219 429 900 38 Updated Apr 9, 2025
  • OpenStudio-ERI Public

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

    NREL/OpenStudio-ERI’s past year of commit activity
    Ruby 21 17 6 5 Updated Apr 9, 2025
  • fastsim Public
    NREL/fastsim’s past year of commit activity
    Python 26 14 3 13 Updated Apr 9, 2025