Electricity and solar statistics by state

Key statistics

1. 01

   U.S. homes paid an average of 18.31¢ per kWh for electricity in July 2026, up 4.9% from a year earlier.

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2. 02

   Hawaii had the most expensive residential electricity at 48.00¢/kWh, 2.6× the national average.

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3. 03

   Louisiana had the cheapest residential electricity at 12.72¢/kWh — 74% less than Hawaii.

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4. 04

   19 of 51 states (including D.C.) paid more than the U.S. average residential price.

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5. 05

   Residential prices rose year over year in 45 of 51 states; the biggest increase was in Hawaii (+22.0%).

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6. 06

   At state average prices, 900 kWh of electricity costs from $114 in Louisiana to $432 in Hawaii.

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7. 07

   Homes paid 18.31¢/kWh on average, versus 14.53¢ for businesses and 9.77¢ for industry.

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8. 08

   Each kW of south-facing rooftop solar produces about 1,779 kWh a year in New Mexico, the sunniest state in our data, versus 922 kWh in Alaska.

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9. 09

   For an example home (7 kW system at $3,000/kW, 10,500 kWh/yr home, full net metering with annual true-up, no incentives), solar pays back fastest in Hawaii (4.1 years) and pays back within 10 years in 14 of 51 states.

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Prices: EIA average revenue per kWh for residential customers (includes taxes and fees). Example payback: 7 kW system at $3,000/kW, 10,500 kWh/yr home, full net metering with annual true-up, no incentives.