Idaho Code

Idaho Code § 61-502 (2026)

Determination of rates. 

✓ current as of May 2026
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Determination of rates. 

Whenever the commission, after a hearing had upon its own motion or upon complaint, shall find that the rates, rentals, charges or classifications, or any of them, demanded, observed, charged or collected by any public utility for any service or product or commodity, or in connection therewith, including the rates or fares for excursions or commutation tickets, or that the rules, regulations, practices, or contracts, or any of them, affecting such rates, rentals, charges or classifications, or any of them, are unjust, unreasonable, discriminatory or preferential, or in any way in violation of any provision of law, or that such rates, rentals, charges or classifications are insufficient, the commission shall determine the just, reasonable or sufficient rates, rentals, charges, classifications, rules, regulations, practices or contracts to be thereafter observed and in force and shall fix the same by order as hereinafter provided and shall, under such rules and regulations as the commission may prescribe, fix the reasonable maximum rates to be charged for water by any public utility coming within the provisions of this act relating to the sale of water.

Notes of Decisions
Cited in 33 cases (3 in the last 5 years), 1965–2025 · leading case: United States v. Utah Power & Light Co., 570 P.2d 1353 (Idaho 1977).
United States v. Utah Power & Light Co., 570 P.2d 1353 (Idaho 1977). · cites it 26× “Idaho Code § 61-502 gives the Commission the authority either upon its own motion or upon complaint to abrogate existing rates including those set by contract if they are found to be "unjust, unreasonable, discriminatory, preferential, or in any way in violation of law" and fix…”
Afton Energy, Inc. v. Idaho Power Co., 693 P.2d 427 (Idaho 1984). · cites it 18× “§ 61-612 gives the Commission jurisdiction to hear complaints against utilities alleging violations of rules, regulations or of any provision of law; I.C. § 61-502 gives the Commission jurisdiction to determine reasonable rates, including rates collected under contracts; and I.”
Washington Water Power Co. v. Kootenai Env't All., 591 P.2d 122 (Idaho 1979). · cites it 10× “I.C. § 61-502 provides: I.C. § 61-502. Determination of rates.”
Utah Power & Light Co. v. Idaho Pub. Utils. Comm'n, 685 P.2d 276 (Idaho 1984). · cites it 20× “are insufficient, the commission shall determine the just, reasonable or sufficient rates .”
Grindstone Butte Mut. Canal Co. v. Idaho Pub. Utils. Comm'n, 627 P.2d 804 (Idaho 1981). · cites it 12× “[2] The power to fix rates is for the public welfare.”
Utah Power & Light Co. v. Idaho Pub. Utils. Comm'n, 629 P.2d 678 (Idaho 1981). · cites it 8× “The Public Utilities Commission is statutorily vested with jurisdiction to regulate rates charged by public utilities furnishing services, products or commodities in the State of Idaho.”
Iindustrial Customers of Idaho Power v. Idaho Pub. Utils. Comm'n, 1 P.3d 786 (Idaho 2000). · cites it 12× “” Appellants misread I.C. § 61-502. The function of ratemaking is legislative and not judicial.”
Grindstone Butte Mut. Canal Co. v. Idaho Power Co., 574 P.2d 902 (Idaho 1978). · cites it 8× “We note additionally that I.C. § 61-502 gives the Commission on-going power and duty to fix reasonable rates: *864 “61-502.”
Alpert v. Boise Water Corp., 795 P.2d 298 (Idaho 1990). · cites it 4× “§ 61-503; determine the reasonableness of rates, I.C. § 61-502; investigate proposed interstate rates, I.”
Citizens Utils. Co. v. Idaho Pub. Utils. Comm'n, 579 P.2d 110 (Idaho 1978). · cites it 4× “The fact that the requested rate increase must go into effect at the expiration of the seven month period, of course, does not in any way conclude the Commission’s inquiry into the propriety of the rate increase or in any way limit the Commission’s authority and duties.”
Williams v. Idaho State Bd. of Real Est. Appraisers, 337 P.3d 655 (Idaho 2014). · cites it 2× “3d 786, 790 (2000), we considered Idaho Code section 61-622, which provided the Idaho Public Utilities Commission the power “either upon complaint or upon its own initiative” to conduct a hearing on power rates, and Idaho Code section 61-502, which empowered the Commission to…”
Agric. Prods. Corp. v. Utah Power & Light Co., 557 P.2d 617 (Idaho 1976). · cites it 2× “I.C. § 61-502. Idaho Public Utilities Commission findings are conclusive on appeal if the overall effect of the rate charge fixed is reasonable and just.”
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