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National Renewable Energy Laboratory

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  1. api-umbrella api-umbrella Public

    Open source API management platform

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  2. EnergyPlus 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++ 1.2k 432

  3. OpenStudio 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++ 536 212

  4. SAM SAM Public

    System Advisor Model (SAM)

    C++ 374 186

  5. floris floris Public

    A controls-oriented engineering wake model.

    Python 239 172

  6. OpenOA OpenOA Public

    This library provides a framework for assessing wind plant performance using operational assessment (OA) methodologies that consume time series data from wind plants. The goal of the project is to …

    Jupyter Notebook 200 76

Repositories

Showing 10 of 683 repositories
  • BHResist Public
    NREL/BHResist’s past year of commit activity
    Python 0 0 0 2 Updated Apr 22, 2025
  • REopt.jl Public
    NREL/REopt.jl’s past year of commit activity
    Julia 27 Apache-2.0 34 83 34 Updated Apr 22, 2025
  • OpenStudio-ERI Public

    Energy Rating Index (ERI) calculation via OpenStudio/EnergyPlus.

    NREL/OpenStudio-ERI’s past year of commit activity
    Ruby 21 17 6 6 Updated Apr 22, 2025
  • ansible-slurm-appliance Public Forked from stackhpc/ansible-slurm-appliance

    A Slurm-based HPC workload management environment, driven by Ansible.

    NREL/ansible-slurm-appliance’s past year of commit activity
    Jinja 1 34 0 0 Updated Apr 22, 2025
  • routee-compass Public

    An energy-aware vehicle routing engine

    NREL/routee-compass’s past year of commit activity
    Rust 13 BSD-3-Clause 12 50 (2 issues need help) 2 Updated Apr 22, 2025
  • resstock Public

    Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.

    NREL/resstock’s past year of commit activity
    Ruby 122 78 68 (1 issue needs help) 17 Updated Apr 22, 2025
  • Open-Source-Ambient-Signal-Based-Inertia-Monitoring-Tool-for-Power-systems Public

    This project implements an inertia estimation algorithm using a sliding window approach. The inertia (H) is estimated based on frequency deviations and active power deviations, utilizing the swing equation from power system dynamics. An example application is provided using the WECC 240-bus system.

    NREL/Open-Source-Ambient-Signal-Based-Inertia-Monitoring-Tool-for-Power-systems’s past year of commit activity
    Python 0 BSD-3-Clause 0 0 0 Updated Apr 22, 2025
  • fastsim Public
    NREL/fastsim’s past year of commit activity
    Rust 27 13 4 14 Updated Apr 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

    NREL/ComStock’s past year of commit activity
    Ruby 38 26 46 18 Updated Apr 22, 2025
  • openstudio-standards Public
    NREL/openstudio-standards’s past year of commit activity
    Ruby 90 65 54 9 Updated Apr 22, 2025
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