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  1. api-umbrella api-umbrella Public

    Open source API management platform

    Ruby 2k 324

  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++ 1.1k 389

  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++ 496 190

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 337 140

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 204 155

  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 183 62

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Showing 10 of 638 repositories
  • OpenStudio-resources Public
    NREL/OpenStudio-resources’s past year of commit activity
    HTML 18 9 6 5 Updated Oct 3, 2024
  • SAM Public

    System Advisor Model (SAM)

    NREL/SAM’s past year of commit activity
    C++ 337 BSD-3-Clause 140 68 5 Updated Oct 3, 2024
  • 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.

    NREL/OpenStudio’s past year of commit activity
    C++ 496 190 234 14 Updated Oct 3, 2024
  • NEB-Tool Public

    A user friendly, graphical, open-source application (Web/Mac/Windows) of the multiple benefits framework for non-energy benefits, incorporating additional aspects to make the tool effective for use in the United States.

    NREL/NEB-Tool’s past year of commit activity
    TypeScript 1 2 107 (1 issue needs help) 1 Updated Oct 3, 2024
  • bifacial_radiance Public

    Toolkit for working with RADIANCE for the ray-trace modeling of Bifacial Photovoltaics

    NREL/bifacial_radiance’s past year of commit activity
    Python 89 BSD-3-Clause 48 79 3 Updated Oct 2, 2024
  • ssc Public

    SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM

    NREL/ssc’s past year of commit activity
    C++ 79 BSD-3-Clause 85 34 6 Updated Oct 2, 2024
  • 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 34 11 12 0 Updated Oct 2, 2024
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 24 Apache-2.0 20 84 29 Updated Oct 2, 2024
  • T3CO Public

    Transportation Technology Total Cost of Ownership tool

    NREL/T3CO’s past year of commit activity
    Python 2 BSD-3-Clause 1 1 0 Updated Oct 2, 2024
  • 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)

    NREL/REopt_API’s past year of commit activity
    Python 88 46 44 11 Updated Oct 2, 2024
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