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    677 repositories

    • AeroMesh

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •0•2•0•0•Updated Mar 27, 2025Mar 27, 2025

    • HOPP

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •54•26•63•2•Updated Mar 27, 2025Mar 27, 2025

    • R2X

      Public
      Model translation framework
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •17•11•16•1•Updated Mar 27, 2025Mar 27, 2025

    • openstudio-standards

      Public
      Ruby
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      Other
      •65•89•56•12•Updated Mar 27, 2025Mar 27, 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
      •26•38•46•18•Updated Mar 27, 2025Mar 27, 2025

    • BLAST-Lite

      Public
      Python
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      BSD 3-Clause "New" or "Revised" License
      •22•37•1•0•Updated Mar 27, 2025Mar 27, 2025

    • resstock

      Public
      Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.
      Ruby
      •
      Other
      •78•120•68•15•Updated Mar 27, 2025Mar 27, 2025

    • OpenStudio-ERI

      Public
      Energy Rating Index (ERI) calculation via OpenStudio/EnergyPlus.
      Ruby
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      Other
      •17•21•6•5•Updated Mar 27, 2025Mar 27, 2025

    • nrel_bootstrap

      Public
      NREL.gov APP branded theme for Bootstrap 3 - based on nrel-app-template - https://github.com/NREL/nrel-app-template
      Twig
      •6•0•0•0•Updated Mar 27, 2025Mar 27, 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++
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      Other
      •427•1.2k•896•36•Updated Mar 27, 2025Mar 27, 2025

    • OpenStudio-HPXML

      Public
      Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.
      Ruby
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      Other
      •24•51•114•25•Updated Mar 27, 2025Mar 27, 2025

    • buildstock-query

      Public
      BuildStockQuery is a python library for querying datasets generated by ResStock™ and ComStock™.
      query-resstock-comstock-buildstockbatch
      Jupyter Notebook
      •
      BSD 3-Clause "New" or "Revised" License
      •9•11•12•3•Updated Mar 27, 2025Mar 27, 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
      •
      BSD 3-Clause "New" or "Revised" License
      •14•34•3•1•Updated Mar 27, 2025Mar 27, 2025

    • HYPSTAT

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •0•0•0•0•Updated Mar 27, 2025Mar 27, 2025

    • Spawn

      Public
      C++
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      Other
      •9•18•20•2•Updated Mar 27, 2025Mar 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
      •211•531•197•11•Updated Mar 27, 2025Mar 27, 2025

    • fastsim

      Public
      Python
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      Apache License 2.0
      •14•26•3•12•Updated Mar 27, 2025Mar 27, 2025

    • ssc

      Public
      SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •105•82•31•5•Updated Mar 27, 2025Mar 27, 2025

    • BuildingMOTIF

      Public
      Building Metadata OnTology Interoperability Framework (BuildingMOTIF). For models, see https://models.open223.info/
      Jupyter Notebook
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      Other
      •13•51•56•10•Updated Mar 27, 2025Mar 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•123•59•11•Updated Mar 27, 2025Mar 27, 2025

    • SAM

      Public
      System Advisor Model (SAM)
      C++
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      BSD 3-Clause "New" or "Revised" License
      •186•368•76•8•Updated Mar 27, 2025Mar 27, 2025

    • PVDegradationTools

      Public
      Set of tools to calculate degradation responses and degradation related parameters for PV.
      pythonreliabilitydegradationphotovoltaic-systemspv-modulesduramat
      Jupyter Notebook
      •
      Other
      •18•35•31•5•Updated Mar 27, 2025Mar 27, 2025

    • InSPIRE

      Public
      Tutorials, scripts and other modeling aspects of agrivoltaics developed by the InSPIRE team
      HTML
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      Other
      •7•14•0•0•Updated Mar 27, 2025Mar 27, 2025

    • T3CO_Go

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •0•0•0•0•Updated Mar 26, 2025Mar 26, 2025

    • openstudio-ee-gem

      Public
      Ruby
      •
      Other
      •7•2•5•3•Updated Mar 26, 2025Mar 26, 2025

    • ComStock.github.io

      Public
      Jupyter Notebook
      •
      MIT License
      •8•0•0•0•Updated Mar 26, 2025Mar 26, 2025

    • REopt-Analysis-Scripts

      Public
      Jupyter Notebook
      •
      BSD 3-Clause "New" or "Revised" License
      •42•37•9•2•Updated Mar 26, 2025Mar 26, 2025

    • wind-hybrid-open-controller

      Public
      Open-source controller for wind and hybrid plants
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •11•11•8•1•Updated Mar 26, 2025Mar 26, 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
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      Other
      •9•1•108•2•Updated Mar 26, 2025Mar 26, 2025

    • 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
      reliabilityrepairreuselifetimecircular-economysolar-energycircularityrecyclephotovoltaicscircularity-metrics
      HTML
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      Other
      •18•37•11•0•Updated Mar 26, 2025Mar 26, 2025