US-REGEN Documentation

US-REGEN Documentation v2025

Welcome

This documentation version corresponds to the the open-source version of the US-REGEN model released in May 2025, available on GitHubopen in new window.

Please choose a navigation option:

  1. Start reading: Overview
  2. Select a resource or technology component on the energy pathways diagram (below)
  3. Browse table of contents (sidebar menu)
  4. Search by keyword or heading (search icon)

Energy Pathways

Click a node to view its assumptions page. You can also zoom/pan the diagram if needed.

Primary Energy Conversion Delivery & Storage End Use CO2ManagementRenewableResourcesNuclearFuelFossilFuelsBiomassElectricityGenerationHydrogenProductionAmmonia &Fuel SynthesisRefiningBiorefiningElectricityDelivery &StorageFuelDelivery &StorageBuildingsIndustryTransportationNatural ClimateSolutionsDirect AirCaptureTransport &Storage
Last updated: May 23, 2025