KilowattCalc

Electricity cost rankings

These rankings sort the questions people search for most: which states are the most and least expensive for electricity (all 51 states by EIA residential ¢/kWh), which appliances are the most expensive to run, and which are the biggest energy hogs by annual kWh among the 36 appliances we track.

Source: EIA Electric Power Monthly, Table 5.6.A (residential). Data as of June 2026.

Most expensive states for electricity

States ranked from highest to lowest residential electricity price (EIA, ¢/kWh).

Cheapest states for electricity

The states with the lowest residential electricity prices — where each kWh costs least.

Most expensive appliances to run

Common appliances ranked by monthly cost at the US average electricity rate.

Biggest energy hogs

The appliances that use the most electricity per year in a typical home.

Want every state in one table? See the full state index. To price an appliance at your rate, use the calculator.

Last updated: 2026-06-20