Observed arrival · 2026-10-23
Rate & Roof traces electricity prices from state averages to their sources
A state-by-state guide to residential electricity prices, typical bills, utility rate plans, and modeled rooftop-solar output.
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- US households comparing state and utility electricity costs
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- Prices are residential revenue divided by household kWh sales, so the figures are class averages, not individual rate quotes.
Field notes
The site derives residential price averages from EIA-861 annual survey and retail-sales data, and divides yearly sales and revenue by customer counts to estimate typical monthly use and bills. Its solar examples use a generic 1 kW roof array; the Austin illustration specifies a clear July day and a 7 kW array. Utility rate-plan records come from OpenEI, which the site describes as crowd-maintained.
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