How much does it cost to run that?
Free, state-specific electricity cost calculators for U.S. households. Built on the latest EIA rate data (April 2026).
Popular appliance calculators
Electric Water Heater
Cost to run by state — $928/yr at U.S. average
Tankless Electric Water Heater
Cost to run by state — $866/yr at U.S. average
Level 2 EV Charger
Cost to run by state — $807/yr at U.S. average
Central Air Conditioner
Cost to run by state — $633/yr at U.S. average
Hot Tub
Cost to run by state — $619/yr at U.S. average
Pool Pump
Cost to run by state — $407/yr at U.S. average
Heat Pump (whole-home)
Cost to run by state — $395/yr at U.S. average
Portable Air Conditioner
Cost to run by state — $235/yr at U.S. average
Browse by state
Each calculator uses your state’s actual residential rate from the EIA.
- Alabama — 17.41¢/kWh
- Alaska — 27.35¢/kWh
- Arizona — 15.48¢/kWh
- Arkansas — 14.16¢/kWh
- California — 35.25¢/kWh
- Colorado — 16.54¢/kWh
- Connecticut — 32.24¢/kWh
- Delaware — 18.79¢/kWh
- District of Columbia — 25.41¢/kWh
- Florida — 15.38¢/kWh
- Georgia — 15.37¢/kWh
- Hawaii — 46.62¢/kWh
- Idaho — 12.70¢/kWh
- Illinois — 20.47¢/kWh
- Indiana — 17.90¢/kWh
- Iowa — 13.86¢/kWh
- Kansas — 15.78¢/kWh
- Kentucky — 15.02¢/kWh
- Louisiana — 14.44¢/kWh
- Maine — 28.42¢/kWh
- Maryland — 22.07¢/kWh
- Massachusetts — 29.45¢/kWh
- Michigan — 21.39¢/kWh
- Minnesota — 16.39¢/kWh
- Mississippi — 16.76¢/kWh
- Missouri — 14.01¢/kWh
- Montana — 13.90¢/kWh
- Nebraska — 13.28¢/kWh
- Nevada — 14.29¢/kWh
- New Hampshire — 27.24¢/kWh
- New Jersey — 23.53¢/kWh
- New Mexico — 15.15¢/kWh
- New York — 29.45¢/kWh
- North Carolina — 16.25¢/kWh
- North Dakota — 12.35¢/kWh
- Ohio — 19.49¢/kWh
- Oklahoma — 13.31¢/kWh
- Oregon — 15.78¢/kWh
- Pennsylvania — 21.47¢/kWh
- Rhode Island — 28.30¢/kWh
- South Carolina — 17.06¢/kWh
- South Dakota — 14.52¢/kWh
- Tennessee — 14.94¢/kWh
- Texas — 16.99¢/kWh
- Utah — 13.29¢/kWh
- Vermont — 24.56¢/kWh
- Virginia — 17.38¢/kWh
- Washington — 14.36¢/kWh
- West Virginia — 16.06¢/kWh
- Wisconsin — 19.21¢/kWh
- Wyoming — 14.68¢/kWh
Compare across states
Cheapest electricity
All 50 states ranked by residential rate, lowest first.
Most expensive electricity
Where electricity costs the most — and by how much.
Best states for solar
Ranked by 20-year net savings on a 6 kW rooftop system.
Solar by state
Production and payback for every U.S. state.
EV charging by model
Annual home charging cost for 20 popular EVs.
All appliance calculators
40 appliances, every state.
Why WattPrice?
- Real, current rates. We use the EIA’s monthly Electric Power Monthly publication — the same data the government uses.
- Transparent math. Every page shows the exact formula and inputs. See the methodology.
- No sign-up, no email gate. Just answers.