Western Interconnection hourly electric power supply: June 28 - July 4, 2026
Non-combustion energy sources - wind, solar, nuclear, geothermal and hydroelectric - combined supplied 72.34% of total electric power generated.
Western Interconnection hourly electric power supply: 28 Dec 2025 - 3 Jan 2026
December 28 and 29 were the best days for solar energy production in the US West. Windpower produced all hours of the week. Hydroelectric produced the largest non-combustion electric supply.