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National Renewable Energy Laboratory

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  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 432

  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++ 535 212

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 374 186

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 239 172

  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 199 76

Repositories

Showing 10 of 682 repositories
  • sup3r Public

    The Super-Resolution for Renewable Resource Data (sup3r) software uses generative adversarial networks to create synthetic high-resolution wind and solar spatiotemporal data from coarse low-resolution inputs.

    Python 96 BSD-3-Clause 28 2 2 Updated Apr 17, 2025
  • SolTrace Public

    SolTrace

    C++ 45 39 22 (2 issues need help) 1 Updated Apr 17, 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.

    C++ 1,231 432 901 42 Updated Apr 17, 2025
  • openstudio-server-helm Public

    Helm charts for Kubernetes deployment of OpenStudio Server.

    Bicep 12 20 4 1 Updated Apr 17, 2025
  • OCHRE Public

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

    Python 57 BSD-3-Clause 24 82 (1 issue needs help) 6 Updated Apr 17, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    Ruby 52 24 116 (1 issue needs help) 25 Updated Apr 17, 2025
  • SAM Public

    System Advisor Model (SAM)

    C++ 374 BSD-3-Clause 186 66 3 Updated Apr 17, 2025
  • REopt_API Public

    The model for the REopt API, which is used as the back-end for the REopt Webtool (reopt.nrel.gov/tool), and can be accessed directly via the NREL Developer Network (https://developer.nrel.gov/docs/energy-optimization/reopt)

    Python 101 56 44 15 Updated Apr 17, 2025
  • pysam Public

    Python Wrapper for the System Advisor Model

    C 116 BSD-3-Clause 70 14 0 Updated Apr 17, 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

    Ruby 38 26 46 16 Updated Apr 17, 2025
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