Idaho Power investor-owned utility
Idaho utility rate cases
Rates are set by the Idaho Public Utilities Commission. The average Idaho home pays about $109 a month for 944 kWh (EIA, 2024). Idaho ranks #46 of 51 for the average monthly bill.
No pending rate case on our list for Idaho
1 utility tracked in Idaho. Enter your ZIP on the home page to see the one that serves you.
Utilities
Recent decisions
Your Avista Idaho electric bill went up in stages; the second step took effect September 1, 2026.
+$5a month
2026 power cost and fixed cost adjustment
Idaho Power, ID
This annual fuel cost adjustment added about 3.64 dollars to your Idaho Power bill starting June 2026.
+$4a month
2025 general rate case
Idaho Power, ID
This case is decided: Idaho Power's rate increase was cut from the requested 13.09 percent to an approved 7.48 percent, effective since January 1, 2026.
+$22a month
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