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@NREL

National Renewable Energy Laboratory

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  2. EnergyPlus EnergyPlus Public

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    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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  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
  • SAM Public

    System Advisor Model (SAM)

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

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

    C++ 83 BSD-3-Clause 105 27 3 Updated Apr 17, 2025
  • wex Public

    WEX, which is short for WxWidgets Extensions, is a cross-platform library of graphical user interface tools that extends the popular open-source project WxWidgets. WEX includes many features including the powerful DView program (https://github.com/NREL/wex/wiki/DView), which provides an easy-to-use way to visualize complex time series data.

    C 60 BSD-3-Clause 33 28 0 Updated Apr 17, 2025
  • lk Public

    LK (Language Kit) is a simple but powerful scripting language that is designed to be small, fast, and easily embedded in other applications. The core LK engine, including lexical analyzer, parser, compiler, and virtual machine is only dependent on the Standard C++ Library (STL), making it extremely lightweight and portable.

    C 33 BSD-3-Clause 28 0 0 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
  • REopt.jl Public
    Julia 27 Apache-2.0 34 83 34 Updated Apr 17, 2025
  • reVX Public

    The Renewable Energy Potential(V) eXchange Tool: reVX

    Python 26 BSD-3-Clause 17 16 (1 issue needs help) 2 Updated Apr 17, 2025
  • R2X Public

    Model translation framework

    Python 11 BSD-3-Clause 17 17 4 Updated Apr 17, 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 6 BSD-3-Clause 0 22 1 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 1 Updated Apr 17, 2025