3SSB 5466 — Improving reliability and capacity of the electric transmission system in Washington state.

What this bill does

Establishes the Washington Electric Transmission Authority (Authority) to, among other duties, support upgrading and expanding the electric transmission system and be a state-wide resource for electrical transmission. Creates a nine-member board of directors to advise the Authority. Requires the Department of Commerce to develop a transmission needs assessment, assist local and tribal governments permitting transmission projects, and identify and report on recommended debt financing instruments needed to improve electric transmission capacity. Provides a categorical exemption from the State Environmental Policy Act for upgrading or rebuilding an existing transmission line over 115 kilovolts under specific conditions. Allows electric companies to receive an incentive rate of return on new transmission upgrades for 15 years with authorization from the Utilities and Transportation Commission.

From the Washington State Legislature's nonpartisan staff bill analysis. Read the full analysis ↗

Floor votes

• Senate — 3rd Reading & Final Passage · March 10, 2025
  29 yea · 20 nay

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