What charging costs in your state
Average residential electricity rates, translated into what actually matters: dollars per 100 miles of driving.
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How this is calculated
Rates are EIA average residential electricity prices (2025). Cost per 100 miles assumes a Tesla Model Y at 280 Wh/mile with 10% charging loss — so 100 miles ≈ 31 kWh from the wall. Your actual rate may differ from the state average (time-of-use plans, co-op rates, tiered pricing); for the full picture including depreciation and maintenance, run the 10-year TCO calculator.
Gas comparison: a 30 mpg car at $3.40/gal costs $11.33 per 100 miles. Every state on this map beats that at home-charging rates — even Hawaii.