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    • pt-melt

      Public
      PT-MELT (PyTorch Machine Learning Toolbox) is a collection of architectures, processing, and utilities that are transferable over a range of ML applications.
      Python
      BSD 3-Clause "New" or "Revised" License
      10300Updated Sep 22, 2026Sep 22, 2026
    • reV

      Public
      reV is an open-source geospatial techno-economic tool that estimates energy technical potential (capacity and generation), system cost, and supply curves for a …
      Python
      BSD 3-Clause "New" or "Revised" License
      63143211Updated Sep 22, 2026Sep 22, 2026
    • SDOM

      Public
      Python
      Other
      75190Updated Sep 22, 2026Sep 22, 2026
    • HTML
      Other
      172994Updated Sep 22, 2026Sep 22, 2026
    • OpenStudio is a cross-platform collection of software tools to support whole building energy modeling using EnergyPlus and advanced daylight analysis using Radi…
      C++
      Other
      23764624411Updated Sep 22, 2026Sep 22, 2026
    • ssc

      Public
      SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM
      C++
      BSD 3-Clause "New" or "Revised" License
      11894304Updated Sep 22, 2026Sep 22, 2026
    • EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buil…
      C++
      Other
      4911.6k81144Updated Sep 22, 2026Sep 22, 2026
    • PVade

      Public
      PVade is a fluid-structure interaction solver for studying wind loading and aerodynamic stability in solar-tracking PV arrays.
      Python
      BSD 3-Clause "New" or "Revised" License
      139204Updated Sep 22, 2026Sep 22, 2026
    • 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 Netw…
      Python
      Other
      681254412Updated Sep 22, 2026Sep 22, 2026
    • R2X

      Public
      Model translation framework
      Python
      BSD 3-Clause "New" or "Revised" License
      1516113Updated Sep 22, 2026Sep 22, 2026
    • Python
      BSD 3-Clause "New" or "Revised" License
      387600Updated Sep 22, 2026Sep 22, 2026
    • melt-ui

      Public
      Github repo to host the user interface for PT-MELT and TF-MELT backends
      JavaScript
      BSD 3-Clause "New" or "Revised" License
      0000Updated Sep 22, 2026Sep 22, 2026
    • alfalfa

      Public
      Alfalfa is a web service that enables runtime interaction with building energy models (OpenStudio/EnergyPlus and FMUs compiled from Modelica or Spawn) over REST…
      Python
      Other
      2061556Updated Sep 22, 2026Sep 22, 2026
    • rdtools

      Public
      PV Analysis Tools in Python
      Python
      MIT License
      82189316Updated Sep 22, 2026Sep 22, 2026
    • BatFIT

      Public
      Battery Feature Inference Toolbox (BatFIT)
      Python
      BSD 3-Clause "New" or "Revised" License
      0100Updated Sep 22, 2026Sep 22, 2026
    • REopt.jl

      Public
      Julia
      Apache License 2.0
      48479726Updated Sep 22, 2026Sep 22, 2026
    • SUNI

      Public
      Solar Uncertainty Integrator (SUNI) estimates uncertainty for high-resolution, subhourly solar irradiance datasets. The framework combines quality screening fro…
      C++
      BSD 3-Clause "New" or "Revised" License
      01141Updated Sep 22, 2026Sep 22, 2026
    • ALchemist

      Public
      Python
      BSD 3-Clause "New" or "Revised" License
      5800Updated Sep 22, 2026Sep 22, 2026
    • Python
      Other
      844124Updated Sep 22, 2026Sep 22, 2026
    • An issue tracker for NREL's APIs available at https://developer.nrel.gov
      HTML
      5760192Updated Sep 22, 2026Sep 22, 2026
    • HPC

      Public
      A collection of various resources, examples, and executables for the general NLR HPC user community's benefit. Use the following website for accessing documenta…
      Jupyter Notebook
      Other
      88156569Updated Sep 22, 2026Sep 22, 2026
    • The Foundational Industry Energy Dataset (FIED) is a unit-level characterization of energy use in the U.S. industrial sector.
      Python
      913104Updated Sep 22, 2026Sep 22, 2026
    • Ruby
      Other
      75105699Updated Sep 22, 2026Sep 22, 2026
    • 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 en…
      Python
      BSD 3-Clause "New" or "Revised" License
      417527Updated Sep 22, 2026Sep 22, 2026
    • Predict energy consumption for transit buses based on GTFS data
      Python
      BSD 3-Clause "New" or "Revised" License
      02131Updated Sep 21, 2026Sep 21, 2026
    • rex

      Public
      REsource eXtraction Tool (rex)
      Python
      BSD 3-Clause "New" or "Revised" License
      263350Updated Sep 21, 2026Sep 21, 2026
    • Python
      BSD 3-Clause "New" or "Revised" License
      3200Updated Sep 21, 2026Sep 21, 2026
    • ROSCO

      Public
      A Reference Open Source Controller for Wind Turbines
      Python
      Apache License 2.0
      122175102Updated Sep 21, 2026Sep 21, 2026
    • DEMOS

      Public
      Agent-based simulation framework for the evolution of population demographic characteristics and lifecycle events
      Jupyter Notebook
      BSD 3-Clause "New" or "Revised" License
      0330Updated Sep 21, 2026Sep 21, 2026
    • vidyut3d

      Public
      C++
      BSD 3-Clause "New" or "Revised" License
      161102Updated Sep 21, 2026Sep 21, 2026
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