State hub · 13 providers

Idaho electricity rates by utility, 2025

Idaho homes paid an average of 11.83¢ per kWh in 2025, the 2nd lowest of 51 (50 states and D.C.), and used 933 kWh a month for an average bill of $110. Among full-service utilities, averages ran from 7.84¢ (Lower Valley Energy Inc) to 13.53¢ (PacifiCorp).

11.83¢Avg residential ¢/kWh (2025)+0.31¢ (+2.7%) vs 2024
$110Avg monthly billU.S.: $151
933 kWhAvg monthly useU.S.: 874 kWh
13.37¢August 2026 (preliminary)August 2025: 12.08¢

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Your monthly use (kWh)

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Rate (¢ per kWh)

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Estimated bill at your rate$110/month

The same usage at each average rate
Rate	¢/kWh	Monthly bill	Yearly
Idaho average, 2025	11.83¢	$110	$1,325
Idaho average, 2025	11.83¢	$110	$1,325
Idaho, August 2026 (preliminary)	13.37¢	$125	$1,497
U.S. average, 2025	17.23¢	$161	$1,930

How Idaho compares

U.S. residential average, 2025: 17.23¢ per kWh and $151 a month. Idaho is 31% below it.
Change since 2024: +0.31¢ (+2.7%) per kWh (U.S.: +0.76¢ (+4.6%)).
August 2026 (preliminary): 13.37¢ per kWh, against 12.08¢ in August 2025 (+1.29¢ (+10.7%)).

Every Idaho provider with residential customers

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Idaho residential electricity providers, 2025 (largest first)
Provider	Type	Customers	¢/kWh	Avg bill	Change vs 2024
Idaho Power Co	Full-service utility	540,032	11.78¢	$106	+0.02¢ (+0.2%)
Avista Corp	Full-service utility	129,181	11.84¢	$107	+0.22¢ (+1.9%)
PacifiCorp	Full-service utility	75,599	13.53¢	$120	+1.42¢ (+11.8%)
Kootenai Electric Cooperative	Full-service utility	31,004	13.44¢	$150	+1.23¢ (+10.1%)
City of Idaho Falls (ID)	Full-service utility	29,403	9.60¢	$89	+0.35¢ (+3.8%)
Northern Lights, Inc	Full-service utility	18,172	12.17¢	$136	+0.67¢ (+5.9%)
Fall River Rural Elec Coop Inc	Full-service utility	15,952	11.11¢	$130	no change
United Electric Co-op, Inc (ID)	Full-service utility	5,169	8.50¢	$134	+0.60¢ (+7.6%)
Salmon River Electric Coop Inc	Full-service utility	2,426	9.87¢	$123	+0.88¢ (+9.8%)
Inland Power & Light Company	Full-service utility	2,175	9.45¢	$136	+0.53¢ (+5.9%)
Lower Valley Energy Inc	Full-service utility	1,663	7.84¢	$84	+0.61¢ (+8.4%)
Raft Rural Elec Coop Inc	Full-service utility	1,398	10.16¢	$146	+0.98¢ (+10.7%)
Missoula Electric Coop, Inc	Full-service utility	44	10.50¢	$120	+0.50¢ (+5.0%)

Sources

U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.

Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.