What a kilowatt-hour costs, by utility
Across 1,414 utilities that reported at least 1,000 residential customers, the derived residential price runs from 3.15¢ to 69.95¢ per kilowatt-hour. The median is 13.45¢; a tenth are below 10.63¢ and a tenth above 18.16¢.
State averages hide this. Two households in one state can sit at either end of that range depending on which utility serves them.
Derived as total residential revenue divided by total residential sales in EIA’s annual survey — an average across a year, not a tariff. Energy-only retail marketers are excluded, because their price omits the delivery charge that is most of a bill.
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Source: EIA-861 annual electric utility survey. Public domain.