(1) Public comment. Interested persons may file written comments with the commission regarding a utility's CEIP and biennial CEIP update within sixty days of the utility's filing unless the commission states otherwise.

(2) Approval process. The utility's CEIP and biennial CEIP update filing will be set for an open public meeting. On the commission's own motion or at the request of any person who has a substantial interest in the subject matter of the filing, the commission will initiate an adjudication, or if appropriate a brief adjudicative proceeding, to consider the filing. The commission will enter an order approving, rejecting, or approving with conditions the utility's CEIP or CEIP update at the conclusion of its review. The commission may, in its order, recommend or require more stringent targets than those the utility proposes.

(a) The commission may adjust or expedite interim and specific target timelines when issuing a decision on a CEIP or biennial CEIP updates.

(b) Any party requesting the commission make existing targets more stringent or adjust existing timelines has the burden of demonstrating the utility can achieve the targets or timelines in a manner consistent with the requirements of RCW 19.405.060 (1)(c)(i) through (iv).