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    • reVRt

      Public
      The reV Routing tool introduces a spatially-aware, least-cost-path methodology that allows users to consider siting constraints, regional component costs, land …
      Python
      13405Updated Feb 20, 2026Feb 20, 2026
    • An issue tracker for NREL's APIs available at https://developer.nrel.gov
      HTML
      5656172Updated Feb 20, 2026Feb 20, 2026
    • torc

      Public
      Workflow management system
      Rust
      21024Updated Feb 20, 2026Feb 20, 2026
    • r2x-core

      Public
      R2X framework core package
      Python
      1401Updated Feb 20, 2026Feb 20, 2026
    • Open source API management platform
      Ruby
      3682.1k22915Updated Feb 20, 2026Feb 20, 2026
    • r2x-cli

      Public
      R2X framework repo
      Rust
      1351Updated Feb 19, 2026Feb 19, 2026
    • Python
      1112Updated Feb 19, 2026Feb 19, 2026
    • Ruby
      68101584Updated Feb 19, 2026Feb 19, 2026
    • 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 buil…
      C++
      4641.4k90026Updated Feb 19, 2026Feb 19, 2026
    • An energy-aware vehicle routing engine
      Rust
      1626645Updated Feb 19, 2026Feb 19, 2026
    • Repo for plugin of PLEXOS
      Python
      1207Updated Feb 19, 2026Feb 19, 2026
    • rdtools

      Public
      PV Analysis Tools in Python
      Python
      78170315Updated Feb 19, 2026Feb 19, 2026
    • Python
      27181267Updated Feb 19, 2026Feb 19, 2026
    • bambam

      Public
      Rust
      21182Updated Feb 19, 2026Feb 19, 2026
    • altrios

      Public
      Rust
      1426911Updated Feb 19, 2026Feb 19, 2026
    • Julia
      7103Updated Feb 19, 2026Feb 19, 2026
    • ninterp

      Public
      Numerical interpolation in N-dimensions over rectilinear grids
      Rust
      121702Updated Feb 19, 2026Feb 19, 2026
    • SAM

      Public
      System Advisor Model (SAM)
      C++
      205428876Updated Feb 19, 2026Feb 19, 2026
    • Python
      2427233Updated Feb 19, 2026Feb 19, 2026
    • Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.
      Ruby
      276212519Updated Feb 19, 2026Feb 19, 2026
    • REopt.jl

      Public
      Julia
      49409341Updated Feb 19, 2026Feb 19, 2026
    • Bio Reactor Design (BiRD): a toolbox to simulate and analyze different designs of bioreactors in OpenFOAM
      Liquid
      143463Updated Feb 19, 2026Feb 19, 2026
    • Python
      0010Updated Feb 19, 2026Feb 19, 2026
    • Set of tools to calculate degradation responses and degradation related parameters for PV.
      Jupyter Notebook
      2344428Updated Feb 19, 2026Feb 19, 2026
    • ssc

      Public
      SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM
      C++
      11490307Updated Feb 19, 2026Feb 19, 2026
    • wex

      Public
      WEX, which is short for WxWidgets Extensions, is a cross-platform library of graphical user interface tools that extends the popular open-source project WxWidge…
      C
      3366281Updated Feb 19, 2026Feb 19, 2026
    • lk

      Public
      LK (Language Kit) is a simple but powerful scripting language that is designed to be small, fast, and easily embedded in other applications. The core LK engine,…
      C
      293401Updated Feb 19, 2026Feb 19, 2026
    • fastsim

      Public
      Rust
      173859Updated Feb 19, 2026Feb 19, 2026
    • Ruby
      10385Updated Feb 19, 2026Feb 19, 2026
    • Python package for monitoring and recording power usage, energy consumption, and performance metrics from hardware components such as GPUs and CPUs
      Python
      2200Updated Feb 18, 2026Feb 18, 2026