(1) It is the intent of this chapter that the commission and department adopt rules to streamline the implementation of chapter 288, Laws of 2019 with chapter 19.285 RCW to simplify compliance and avoid duplicative processes. It is the intent of the legislature that the commission and the department coordinate in developing rules related to process, timelines, and documentation that are necessary for the implementation of this chapter.

(2) The commission may adopt rules to ensure the proper implementation and enforcement of this chapter as it applies to investor-owned utilities.

(3) The department may adopt rules to ensure the proper implementation and enforcement of this chapter as it applies to consumer-owned utilities. Nothing in this subsection may be construed to restrict the rate-making authority of the governing body of a consumer-owned utility as otherwise provided by law.

(4) The department must adopt rules establishing reporting requirements for electric utilities to demonstrate compliance with this chapter. The requirements must, to the extent practicable, be consistent with the disclosures required under chapter 19.29A RCW.

(5) An investor-owned utility must also report all information required in subsection (4) of this section to the commission.

(6) An electric utility must also make reports required in this section available to its retail electric customers.

(7) The department of ecology must adopt rules, in consultation with the commission and the department of commerce, to establish requirements for energy transformation project investments including, but not limited to, verification procedures, reporting standards, and other logistical issues as necessary.

(8) The department must adopt rules providing for the measuring and tracking of thermal renewable energy credits that may be used for compliance under RCW 19.405.040.

(9) Pursuant to the administrative procedure act, chapter 34.05 RCW, rules needed for the implementation of this chapter must be adopted by January 1, 2021, unless specified otherwise elsewhere in this chapter. These rules may be revised as needed to carry out the intent and purposes of this chapter.