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    657 repositories

    • 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
      •395•1.2k•897•54•Updated Dec 28, 2024Dec 28, 2024

    • OpenStudio-HPXML

      Public
      Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.
      Ruby
      •
      Other
      •17•46•107•22•Updated Dec 28, 2024Dec 28, 2024

    • chronify

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •0•1•16•1•Updated Dec 28, 2024Dec 28, 2024

    • WETOStack

      Public
      TeX
      •
      Other
      •5•4•0•0•Updated Dec 28, 2024Dec 28, 2024

    • fastsim

      Public
      Python
      •
      Apache License 2.0
      •6•23•3•9•Updated Dec 28, 2024Dec 28, 2024

    • altrios

      Public
      Rust
      •
      Other
      •5•18•4•9•Updated Dec 28, 2024Dec 28, 2024

    • 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•32•66•13•Updated Dec 27, 2024Dec 27, 2024

    • 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•31•2•Updated Dec 27, 2024Dec 27, 2024

    • ROSCO

      Public
      A Reference Open Source Controller for Wind Turbines
      Python
      •
      Apache License 2.0
      •96•118•9•2•Updated Dec 27, 2024Dec 27, 2024

    • resstock

      Public
      Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.
      Ruby
      •
      Other
      •57•112•62•29•Updated Dec 27, 2024Dec 27, 2024

    • elm

      Public
      ELM is a collection of utilities to apply Large Language Models (LLMs) to energy research.
      energy-datarenewable-energyenergy-policylarge-language-modelsllm
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •9•47•1•3•Updated Dec 27, 2024Dec 27, 2024

    • 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
      •10•88•3•1•Updated Dec 27, 2024Dec 27, 2024

    • LiAISON

      Public
      Lifecyle Analysis Integration into Scalable Opensource Numerical models (LiAISON)
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •2•12•14•1•Updated Dec 27, 2024Dec 27, 2024

    • PVDegradationTools

      Public
      Set of tools to calculate degradation responses and degradation related parameters for PV.
      pythonreliabilitydegradationphotovoltaic-systemspv-modulesduramat
      Jupyter Notebook
      •
      Other
      •7•31•24•3•Updated Dec 27, 2024Dec 27, 2024

    • PVcircuit

      Public
      optoelectronic models for tandem/multijunction solar cells
      Jupyter Notebook
      •
      BSD 3-Clause "New" or "Revised" License
      •5•16•5•0•Updated Dec 27, 2024Dec 27, 2024

    • 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
      •47•91•44•13•Updated Dec 27, 2024Dec 27, 2024

    • REopt.jl

      Public
      Julia
      •
      Apache License 2.0
      •21•26•81•33•Updated Dec 27, 2024Dec 27, 2024

    • thevenin

      Public
      Equivalent circuit models in Python.
      batterymodelecmcircuitelectrical
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •1•0•0•0•Updated Dec 26, 2024Dec 26, 2024

    • openstudio-standards

      Public
      Ruby
      •
      Other
      •58•85•56•8•Updated Dec 26, 2024Dec 26, 2024

    • 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
      •9•47•78•8•Updated Dec 26, 2024Dec 26, 2024

    • T3CO

      Public
      Transportation Technology Total Cost of Ownership tool
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •1•9•2•0•Updated Dec 26, 2024Dec 26, 2024

    • rex

      Public
      REsource eXtraction Tool (rex)
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •10•21•8•0•Updated Dec 26, 2024Dec 26, 2024

    • ThermalNetwork

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •2•2•2•1•Updated Dec 26, 2024Dec 26, 2024

    • MoorPy

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •16•33•3•1•Updated Dec 26, 2024Dec 26, 2024

    • developer.nrel.gov

      Public
      An issue tracker for NREL's APIs available at https://developer.nrel.gov
      HTML
      •41•45•16•10•Updated Dec 26, 2024Dec 26, 2024

    • pysam

      Public
      Python Wrapper for the System Advisor Model
      C
      •
      BSD 3-Clause "New" or "Revised" License
      •50•109•16•0•Updated Dec 25, 2024Dec 25, 2024

    • 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
      •195•512•201•8•Updated Dec 25, 2024Dec 25, 2024

    • 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
      •
      Other
      •11•36•11•0•Updated Dec 24, 2024Dec 24, 2024

    • openstudio-ee-gem

      Public
      Ruby
      •
      Other
      •0•1•4•2•Updated Dec 24, 2024Dec 24, 2024

    • FRISM

      Public
      Python
      •
      BSD 3-Clause "New" or "Revised" License
      •2•1•0•1•Updated Dec 24, 2024Dec 24, 2024