Committee weighs bill to create Washington Electric Transmission Office as stakeholders debate scope and eminent‑domain powers

Senators received a detailed briefing and lengthy public testimony on Senate Bill 5466, a proposal to establish a Washington Electric Transmission Office within the Department of Commerce and to authorize a range of activities intended to expand transmission capacity and speed upgrades.

The bill and why it matters: Staff described SB 5466 as a statewide effort to assess 20‑year transmission needs, identify priority corridors, support non‑wire alternatives, coordinate upgrades and provide permitting and technical support to local and tribal governments. Supporters say Washington needs a statewide authority to address interconnection backlogs and transmission constraints that otherwise limit clean‑energy deployment and industrial growth.

Key bill provisions summarized by staff

Kim Cushing, committee staff, briefed the bill. She said it would establish an Electric Transmission Office in Commerce, create a seven‑member Electric Transmission Advisory Board, require a 20‑year transmission needs assessment (first due June 30, 2026) and a transmission system enhancement roadmap, and authorize a broad range of powers including rulemaking, contracts, partnerships, property acquisition and — subject to statutory limits — exercising eminent domain to secure rights of way. The bill would create operating and capital accounts, allow categorical SEPA exemptions for certain…