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National Renewable Energy Laboratory

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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.

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  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.

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  4. SAM SAM Public

    System Advisor Model (SAM)

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  5. floris floris Public

    A controls-oriented engineering wake model.

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  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 …

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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.

    Python 6 BSD-3-Clause 0 22 1 Updated Apr 18, 2025
  • resstock Public

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

    Ruby 122 78 67 (1 issue needs help) 18 Updated Apr 18, 2025
  • OpenStudio-HPXML Public

    Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

    Ruby 52 24 116 (1 issue needs help) 26 Updated Apr 17, 2025
  • PH-Training Public
    Julia 0 6 0 0 Updated Apr 17, 2025
  • R2X Public

    Model translation framework

    Python 11 BSD-3-Clause 17 17 5 Updated Apr 17, 2025
  • fastsim Public
    Rust 27 14 4 14 Updated Apr 17, 2025
  • bcl-gem Public
    Ruby 2 11 4 0 Updated Apr 17, 2025
  • OpenStudio-analysis-gem Public

    OpenStudio-Analysis Gem creates and configures the analysis.json files needed for running the OpenStudio Distributed Analysis workflow.

    Ruby 14 11 4 0 Updated Apr 17, 2025
  • OpenStudio-ERI Public

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

    Ruby 21 17 6 6 Updated Apr 17, 2025
  • ATB-calc Public

    Python files and Jupyter notebooks for processing the Annual Technology Baseline (ATB) electricity data and determining LCOE and other metrics.

    Python 35 BSD-3-Clause 14 3 2 Updated Apr 17, 2025