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Electricity rates in Idaho

Homes in Idaho pay an average of 13.37¢ per kWh (August 2026) — #5 of 51 from cheapest. Your bill depends on how much you use — estimate your monthly bill.

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Residential (homes)

2025: 12.08¢

13.37¢ ▲ 10.7%

Commercial10.21¢

U.S. average (homes)18.16¢

Monthly electric bill estimatorRate (cents per kWh)Your monthly use (kWh) — the U.S. home average is about 860

Questions & answers

What is the average electricity rate in Idaho?

Homes in Idaho paid an average of 13.37¢ per kWh in August 2026 (EIA), versus 12.08¢ a year earlier.

Is electricity in Idaho expensive?

Idaho ranks #5 of 51 (1 = cheapest). That is 4.79¢ below the U.S. average of 18.16¢.

How much will my bill be?

At 13.37¢ per kWh, 860 kWh (a typical U.S. home month) costs about $114.98 for energy before fixed fees. Use the estimator with your own usage from your bill.

Source: U.S. Energy Information Administration (EIA), Electric Power Monthly, Table 5.6.A. Updated automatically.

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