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A 1,500 W space heater costs about $2.23 a day, or roughly $67 a month, run 8 hours a day at the US average electricity rate. Here's the full breakdown.

Heating, cooling and water heating use the most electricity in a typical US home, followed by EV charging and always-on loads like the fridge. Here's the ranking.

Hawaii and California have the most expensive residential electricity; North Dakota and Nebraska the cheapest. Here's the 2026 ranking from EIA data.

Charging an EV at home costs about 6.4¢ per mile at the US average rate, or roughly $640 a year for 12,000 miles — far less than gasoline. Full breakdown by state.

A central AC costs about $1.30–$2 an hour to run; a window unit about 17¢ an hour, at the US average rate. Here's how to estimate and cut your cooling bill.

Your real electricity rate is your total bill divided by kWh used. Here's how to read the bill, find your effective ¢/kWh, and target the loads that actually move it.