Idaho Code

Idaho Code § 61-503 (2026)

Power to investigate and fix rates and regulations. 

✓ current as of May 2026
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Power to investigate and fix rates and regulations. 

The commission shall have power, upon a hearing, had upon its own motion or upon complaint, to investigate a single rate, rental, charge, classification, rule, regulation, contract or practice, or any number thereof, or the entire schedule or schedules of rates, rentals, charges, classifications, rules, regulations, contracts or practices, or any thereof, of any public utility and to establish new rates, rentals, charges, classifications, rules, regulations, contracts or practices or schedule or schedules in lieu thereof.

Notes of Decisions
Cited in 18 cases (2 in the last 5 years), 1977–2024 · leading case: Afton Energy, Inc. v. Idaho Power Co., 693 P.2d 427 (Idaho 1984).
Afton Energy, Inc. v. Idaho Power Co., 693 P.2d 427 (Idaho 1984). · cites it 12× “§ 61-502 gives the Commission jurisdiction to determine reasonable rates, including rates collected under contracts; and I.C. § 61-503 gives the Commission power to investigate a single contract or an entire schedule of contracts of any public utility and to establish new…”
Washington Water Power Co. v. Kootenai Env't All., 591 P.2d 122 (Idaho 1979). · cites it 5× “I.C. § 61-503 provides: I.C. § 61-503. Power to investigate and fix rates and regulations.”
Utah Power & Light Co. v. Idaho Pub. Utils. Comm'n, 629 P.2d 678 (Idaho 1981). · cites it 4× “§ 61-501; to determine the "just, reasonable or sufficient rates" where the rates are insufficient or unjust, unreasonable, discriminatory, preferential or unlawful, I.”
Alpert v. Boise Water Corp., 795 P.2d 298 (Idaho 1990). · cites it 4× “NOTES [1] More specifically, the authority granted the IPUC includes the power to investigate and fix rates and regulations, I.C. § 61-503; determine the reasonableness of rates, I.”
Grindstone Butte Mut. Canal Co. v. Idaho Pub. Utils. Comm'n, 627 P.2d 804 (Idaho 1981). · cites it 4× “I.C. § 61-503 provides: "The commission shall have power, upon a hearing, had upon complaint, to investigate a single rate, fare, toll, rental, charge, classification, rule, regulation, contract or practice, or any number thereof, or the entire schedule or schedules of rates,…”
United States v. Utah Power & Light Co., 570 P.2d 1353 (Idaho 1977). · cites it 4× “Idaho Code § 61-503 completes the Commission's power over rate-making by giving it the authority, implicit in the prior statutes to investigate rate schedules and contracts affecting rates.”
Idaho State Homebuilders v. Washington Water, 690 P.2d 350 (Idaho 1984). · cites it 4× “" I.C. § 61-503 provides: "61-503. Power to investigate and fix rates and regulations.”
Iindustrial Customers of Idaho Power v. Idaho Pub. Utils. Comm'n, 1 P.3d 786 (Idaho 2000). · cites it 2× “Section 61-622 of the Idaho Code provides in relevant part: The commission shall have power, and is hereby given authority, either upon complaint or upon its own initiative .”
Hayden Pines Water Co. v. Idaho Pub. Utils. Comm'n, 834 P.2d 873 (Idaho 1992). · cites it 10× “I.C. § 61-503 gives the PUC the power to investigate: 61-503.”
Bldg. Contractors Ass'n of Sw. Idaho, Inc. v. Idaho Pub. Utils. Comm'n, 916 P.2d 1259 (Idaho 1996). · cites it 2× “§ 61-502 (1994); I.C. § 61-503 (1994); Homebuilders, 107 Idaho at 419 , 690 P.”
FMC Corp. v. Idaho Pub. Utils. Comm'n, 658 P.2d 936 (Idaho 1983). · cites it 2× “” And I.C. § 61-503 further provides: “61-503. Power to investigate and fix rates and regulations.”
Ada Cnty. High. Dist. v. Idaho Pub. Utils. Comm'n, 253 P.3d 675 (Idaho 2011). “” Idaho Code *8 § 61-507 provides that IPUC “shall prescribe rales and regulations for the performance of any service or the furnishings of any commodity of the character furnished or supplied by any public utility.”
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