134 zones representing the power system for the 48 contiguous United States.
310 transmission connections between power system zones.
9 additional connections representing international electricity trade with Canada.
4,082 Generators separated into 12 production types, including nuclear, coal, natural gas, geothermal, hydropower, wind, and solar.
Hourly profiles for electricity demand, wind generation, and solar generation.
Data Sources: EIA & NREL