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    661 repositories

    • 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
      •2•1•94•0•Updated Jan 22, 2025Jan 22, 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
      •400•1.2k•903•46•Updated Jan 22, 2025Jan 22, 2025

    • altrios

      Public
      Rust
      •
      Other
      •5•19•4•8•Updated Jan 22, 2025Jan 22, 2025

    • SAM

      Public
      System Advisor Model (SAM)
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •150•352•84•6•Updated Jan 22, 2025Jan 22, 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
      •10•34•68•16•Updated Jan 22, 2025Jan 22, 2025

    • SitingLab

      Public
      This repository contains a collection of user-friendly tutorials and guides for working with the Siting Lab data within the context of the reV model. The python code examples demonstrate the creation and transformation of Siting Lab data into reV compliant format as well as working with the reV model inputs and outputs.
      Jupyter Notebook
      •
      BSD 3-Clause "New" or "Revised" License
      •0•1•1•0•Updated Jan 22, 2025Jan 22, 2025

    • REopt.jl

      Public
      Julia
      •
      Apache License 2.0
      •20•27•80•32•Updated Jan 22, 2025Jan 22, 2025

    • R2X

      Public
      Model translation framework
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •4•7•19•1•Updated Jan 22, 2025Jan 22, 2025

    • ReferenceHybridSystemDesigns

      Public
      PowerBuilder
      •
      Apache License 2.0
      •4•0•1•2•Updated Jan 22, 2025Jan 22, 2025

    • chronify

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •0•3•19•1•Updated Jan 21, 2025Jan 21, 2025

    • OCHRE

      Public
      A Python-based building energy modeling (BEM) tool designed to model flexible loads in residential buildings
      buildingsresidentialload-shiftingdistributed-energy-resourcesresidential-controls
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •11•47•80•4•Updated Jan 21, 2025Jan 21, 2025

    • ssc

      Public
      SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •84•80•32•2•Updated Jan 21, 2025Jan 21, 2025

    • GEOPHIRES-X

      Public
      GEOPHIRES is NREL's free and open-source geothermal techno-economic simulator.
      Python
      •
      MIT License
      •26•33•49•0•Updated Jan 21, 2025Jan 21, 2025

    • infrasys

      Public
      Data store for components and time series in support of Python-based modeling packages
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •2•7•17•0•Updated Jan 21, 2025Jan 21, 2025

    • BioReactorDesign

      Public
      Bio Reactor Design (BiRD): a toolbox to simulate and analyze different designs of bioreactors in OpenFOAM
      meshingopenfoampostprocessingbioreactorinverse-modelling
      Liquid
      •
      BSD 3-Clause "New" or "Revised" License
      •5•16•6•3•Updated Jan 21, 2025Jan 21, 2025

    • OpenStudio-HPXML

      Public
      Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.
      Ruby
      •
      Other
      •17•47•109•20•Updated Jan 21, 2025Jan 21, 2025

    • multiscale-biomass-pyrolysis

      Public
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •1•2•1•0•Updated Jan 21, 2025Jan 21, 2025

    • resstock

      Public
      Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.
      Ruby
      •
      Other
      •58•116•63•29•Updated Jan 21, 2025Jan 21, 2025

    • openstudio-ee-gem

      Public
      Ruby
      •
      Other
      •0•1•4•2•Updated Jan 21, 2025Jan 21, 2025

    • GreenHEART

      Public
      PowerBuilder
      •
      Other
      •9•3•32•2•Updated Jan 21, 2025Jan 21, 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
      •66•119•60•11•Updated Jan 21, 2025Jan 21, 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
      •46•94•44•14•Updated Jan 21, 2025Jan 21, 2025

    • pCrunch

      Public
      Python
      •
      Apache License 2.0
      •11•8•2•1•Updated Jan 21, 2025Jan 21, 2025

    • celavi

      Public
      Codebase for the Circular Economy Lifecycle Assessment and VIsualization (CELAVI) modeling framework.
      Python
      •
      GNU General Public License v3.0
      •8•12•5•1•Updated Jan 21, 2025Jan 21, 2025

    • openstudio-standards

      Public
      Ruby
      •
      Other
      •58•85•57•7•Updated Jan 21, 2025Jan 21, 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
      •197•518•197•9•Updated Jan 21, 2025Jan 21, 2025

    • reV

      Public
      Renewable Energy Potential (reV) Model
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •25•110•34•2•Updated Jan 21, 2025Jan 21, 2025

    • sustainability.gov

      Public
      HTML
      •2•4•0•0•Updated Jan 21, 2025Jan 21, 2025

    • ComStock.github.io

      Public
      Jupyter Notebook
      •
      MIT License
      •3•0•0•0•Updated Jan 21, 2025Jan 21, 2025

    • BuildingMOTIF

      Public
      Building Metadata OnTology Interoperability Framework (BuildingMOTIF). For models, see https://models.open223.info/
      Jupyter Notebook
      •
      Other
      •8•50•53•12•Updated Jan 21, 2025Jan 21, 2025