Title 80, PUBLIC UTILITIES

For the purposes of RCW 80.28.380, the cost of greenhouse gas emissions resulting from the use of natural gas, including the effect of emissions occurring in the gathering, transmission, and distribution of natural gas to the end user is equal to the cost per metric ton of carbon…

The commission must monitor the greenhouse gas emissions resulting from natural gas and renewable natural gas delivered by each gas company to its customers, relative to a proportionate share of the state's greenhouse gas emissions reduction goal. The commission must report to th…

For the purposes of chapter 288, Laws of 2019, the cost of greenhouse gas emissions resulting from the generation of electricity, including the effect of emissions, is equal to the cost per metric ton of carbon dioxide equivalent emissions, using the two and one-half percent disc…

(1) An electrical company may account for and defer for later consideration by the commission costs incurred in connection with major projects in the electrical company's clean energy action plan pursuant to RCW 19.280.030(1)(l), or selected in the electrical company's solicitati…

(1) The commission must initiate a proceeding to provide conditions concerning the interim recovery between rate cases by a gas company of the costs associated with replacing pipeline facilities that are demonstrated to have an elevated risk of failure and the costs associated wi…

(1) Beginning January 1, 2022, every general rate case filing of a gas or electrical company must include a proposal for a multiyear rate plan as provided in this chapter. The commission may, by order after an adjudicative proceeding as provided by chapter 34.05 RCW, approve, app…

(1) A gas company, electrical company, or thermal energy company shall, upon request, enter into one or more written agreements with organizations that represent broad customer interests in regulatory proceedings conducted by the commission, subject to commission approval in acco…

(1) A gas company must file a notice with the utilities and transportation commission prior to replacing natural gas with renewable hydrogen or green electrolytic hydrogen to serve customers. The notice must establish that the company has received all necessary siting and permitt…

(1)(a) Each electrical company must file a wildfire mitigation plan with the commission as soon as practicable after July 27, 2025, unless the company has previously filed a wildfire mitigation plan with the commission prior to July 27, 2025. An electrical company that has previo…

(1) Any gas company and any electrical company may deploy a thermal energy network within their service territories, in accordance with RCW 80.28.460. If a gas company or electrical company intends to deploy a thermal energy network, the company must submit the project for review…

A thermal energy network pilot project program is established. (1) The department of commerce may award grants for the thermal energy network pilot project program in accordance with RCW 43.31.033. (2)(a) A gas company has priority for developing thermal energy network pilot proj…

(1) Prior to deploying a thermal energy network pilot project, an investor-owned gas company must issue a request for proposals for a thermal energy network pilot project. When reviewing the proposals, the investor-owned gas company must compare the cost of deployment of a propos…

(1) In any multiyear rate plan proposed by a natural gas company or combination utility, the company may propose a merger into a single rate base of its regulated gas operations with its operation of a thermal energy network. The commission may approve the merger of gas and therm…

The commission may appoint inspectors of thermal energy meters who shall, when required by the commission, inspect, examine, prove, and ascertain the accuracy of any and all thermal energy meters used or intended to be used for measuring and ascertaining the quantity of thermal e…

(1) Upon its own motion, or upon request by an electrical company or a thermal energy company, or other party to a general rate case hearing, or other proceeding to set rates, the commission may authorize an electrical company to provide discounted rates to a company operating a …

(1) It is the policy of the state of Washington to encourage the financing of certain costs and expenses by electrical, gas, and water companies at the lowest, reasonable, and prudent cost to customers of such companies including, but not limited to, bondable rate recovery expend…

(1)(a) If an electrical, gas, or water company applies to the commission for recovery of expenditures related to a federal or state declared disaster or emergency and the commission finds some or all of the expenditures to be reasonable and prudent, the company may petition the c…

(1) The commission must allow an electrical or natural gas company to invest in programs that achieve energy conservation and improve the efficiency of energy end use of single-family and multifamily rental housing in lieu of requiring a contribution from the premises owner to fi…

For the purposes of this chapter, the terms spouse, marriage, marital, husband, wife, widow, widower, next of kin, and family shall be interpreted as applying equally to state registered domestic partnerships or individuals in state registered domestic partnerships as well as to …