Wash. Rev. Code » Title 80 · Chapter 80.28
Revised Code of Washington

Wash. Rev. Code § 80.28.050 (2026)

✓ current as of May 2026
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Every gas company, electrical company, wastewater company, water company, and thermal energy company shall file with the commission and shall print and keep open to public inspection schedules in such form as the commission may prescribe, showing all rates and charges made, established or enforced, or to be charged or enforced, all forms of contract or agreement, all rules and regulations relating to rates, charges or service, used or to be used, and all general privileges and facilities granted or allowed by such gas company, electrical company, wastewater company, water company, or thermal energy company.
[ 2025 c 263 s 8; 2011 c 214 s 15; 1961 c 14 s 80.28.050. Prior: 1911 c 117 s 27; RRS s 10363.]

Notes:

Findings—Purpose—Limitation of chapter—Effective date—2011 c 214: See notes following RCW 80.04.010.
Duty of company to fix rate for wholesale power on request of public utility district: RCW 54.04.100.
Notes of Decisions
Cited in 5 cases, 1996–2017 · leading case: Nat'l Union Ins. v. Puget Sound Power & Light, 972 P.2d 481 (Wash. Ct. App. 1999).
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Nat'l Union Ins. v. Puget Sound Power & Light, 972 P.2d 481 (Wash. Ct. App. 1999). · cites it 2× “Does Puget Power's continuity-of-service tariff absolve it from liability for service interruption damages caused by its negligent failure to utilize available backup sources of power to serve its customers while windstorm damage to regular sources of power is being repaired? As…”
Citoli v. City of Seattle, 61 P.3d 1165 (Wash. Ct. App. 2002). “Utilities must file tariff schedules with the Washington Utilities and Transportation Commission *484 (WUTC) showing “all forms of contract or agreement, all rules and regulations relating to rates, charges or service, used or to be used, and all general privileges and…”
Citoli v. City of Seattle, 61 P.3d 1165 (Wash. Ct. App. 2003). “" He argues instead that Puget Sound Energy should have promptly notified him of why it shut off the gas, and for what expected duration, and of the steps Puget Sound Energy expected to take to remedy the situation, as provided in Section 2 of Rule 14. Utilities must file tariff…”
Superior Refuse Removal, Inc. v. Washington Utils. & Transp. Comm'n, 913 P.2d 818 (Wash. Ct. App. 1996). “The alleged violations included: (1) YVD overcharged its customers by passing through dump fee increases for 1981, and 1983-86 without filing for a *46 rate change, in violation of RCW 80.28.050 and .080, and WAC 480-70-240.”
King Cnty. v. Washington Utils. & Transp. Comm'n (Wash. Ct. App. 2017). · cites it 2× “Under Schedule 80’s refusal of service provision, PSE “shall not be required to provide service if to do so would be economically unfeasible.”
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