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    670 repositories

    • ssc

      Public
      SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •103•81•31•4•Updated Feb 28, 2025Feb 28, 2025

    • REopt.jl

      Public
      Julia
      •
      Apache License 2.0
      •32•27•81•34•Updated Feb 28, 2025Feb 28, 2025

    • resstock

      Public
      Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.
      Ruby
      •
      Other
      •75•119•65•24•Updated Feb 28, 2025Feb 28, 2025

    • altrios

      Public
      Rust
      •
      Other
      •10•20•4•9•Updated Feb 28, 2025Feb 28, 2025

    • OpenStudio-HPXML

      Public
      Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.
      Ruby
      •
      Other
      •23•48•110•23•Updated Feb 28, 2025Feb 28, 2025

    • OpenStudio-ERI

      Public
      Energy Rating Index (ERI) calculation via OpenStudio/EnergyPlus.
      Ruby
      •
      Other
      •17•21•6•5•Updated Feb 28, 2025Feb 28, 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++
      •
      Other
      •425•1.2k•896•32•Updated Feb 28, 2025Feb 28, 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
      •
      Other
      •25•36•68•14•Updated Feb 28, 2025Feb 28, 2025

    • rex

      Public
      REsource eXtraction Tool (rex)
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •21•26•13•1•Updated Feb 28, 2025Feb 28, 2025

    • nsrdb

      Public
      NSRDB data processing pipeline. Includes satellite data assimilation, cloud property prediction and gap-filling, radiative transport modeling, and data collection.
      machine-learningsolar-energynrel
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •15•8•2•0•Updated Feb 28, 2025Feb 28, 2025

    • ninterp

      Public
      Numerical interpolation in N-dimensions over rectilinear grids
      rustinterpolationnumerical-analysismultidimensionalmultilinear
      Rust
      •
      BSD 3-Clause "New" or "Revised" License
      •6•3•0•0•Updated Feb 28, 2025Feb 28, 2025

    • chronify

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •6•3•21•0•Updated Feb 28, 2025Feb 28, 2025

    • Panel-Segmentation

      Public
      This open-source package provides a framework for automatically detecting and extracting metadata from solar array installations in satellite images.
      computer-visionsolarconvolutional-neural-networksphotovoltaic-panelsphotovoltaics
      Jupyter Notebook
      •
      MIT License
      •10•24•4•2•Updated Feb 27, 2025Feb 27, 2025

    • celavi

      Public
      Codebase for the Circular Economy Lifecycle Assessment and VIsualization (CELAVI) modeling framework.
      Python
      •
      GNU General Public License v3.0
      •13•13•6•1•Updated Feb 27, 2025Feb 27, 2025

    • R2X

      Public
      Model translation framework
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •14•10•17•1•Updated Feb 27, 2025Feb 27, 2025

    • Value_of_Information_App

      Public
      Jupyter Notebook
      •0•2•0•1•Updated Feb 27, 2025Feb 27, 2025

    • foundational-industry-energy-data

      Public
      The Foundational Industry Energy Dataset (FIED) is a unit-level characterization of energy use in the U.S. industrial sector.
      energy-dataenergy-consumptionindustry
      Python
      •5•5•6•3•Updated Feb 27, 2025Feb 27, 2025

    • 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.
      TypeScript
      •
      Other
      •9•1•112•3•Updated Feb 27, 2025Feb 27, 2025

    • SAM

      Public
      System Advisor Model (SAM)
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •183•358•79•6•Updated Feb 27, 2025Feb 27, 2025

    • 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
      •12•5•28•1•Updated Feb 27, 2025Feb 27, 2025

    • fastsim

      Public
      Python
      •
      Apache License 2.0
      •12•25•3•14•Updated Feb 27, 2025Feb 27, 2025

    • pCrunch

      Public
      Python
      •
      Apache License 2.0
      •16•8•0•0•Updated Feb 27, 2025Feb 27, 2025

    • 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++
      •
      Other
      •208•525•199•9•Updated Feb 27, 2025Feb 27, 2025

    • 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
      •8•1•0•0•Updated Feb 27, 2025Feb 27, 2025

    • HPC

      Public
      A collection of various resources, examples, and executables for the general NREL HPC user community's benefit. Use the following website for accessing documentation.
      traininglaboratoryperformanceenergyhpclabslurmnationalcomputinghigh
      Jupyter Notebook
      •
      Other
      •76•121•59•13•Updated Feb 27, 2025Feb 27, 2025

    • openstudio-server-helm

      Public
      Helm charts for Kubernetes deployment of OpenStudio Server.
      Mustache
      •
      Other
      •19•11•5•2•Updated Feb 27, 2025Feb 27, 2025

    • openstudio-standards

      Public
      Ruby
      •
      Other
      •63•89•57•11•Updated Feb 27, 2025Feb 27, 2025

    • 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.
      machine-learningdeep-learningtensorflowgenerative-adversarial-networkclimate-dataclimate-changesolar-energyrenewable-energywind-energy
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •27•93•2•1•Updated Feb 27, 2025Feb 27, 2025

    • vidyut3d

      Public
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •7•2•0•0•Updated Feb 27, 2025Feb 27, 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)
      nrelrenewable-energyreopt-lite-apireopt-apireoptjloptimization
      Python
      •
      Other
      •54•95•44•12•Updated Feb 27, 2025Feb 27, 2025