This annual fuel cost adjustment added about 3.64 dollars to your Idaho Power bill starting June 2026.
+$4a month
Idaho Power
Investor-owned utility (Idaho Power Co), regulated by the Idaho Public Utilities Commission. The average Idaho home pays about $109 a month for electricity (EIA, 2024).
Idaho Power rate increase 2026: no pending rate case right now
Its last case adds about $4 a month, effective June 1, 2026. Recent decisions are below. See every case in Idaho, or get an alert when the next one is filed.
Decided
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
How to have a say
Rate cases are decided by the Idaho Public Utilities Commission, which takes written comments on every docket and holds public hearings on the big ones. Comment deadlines and hearing dates are on each case page above when we have them.
Guides: how to comment and whether it helps, what "typical bill" means, how to read your bill.
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Corrections and tips: [email protected]. Every figure links to its source on the case page.