The bill aims to strengthen Washington state's electric transmission system to support its carbon neutrality goals by 2030 and becoming carbon-free by 2045. It establishes the Washington Electric Transmission Authority, responsible for overseeing transmission services, permitting, and stakeholder engagement, including utilities and local jurisdictions. The authority will focus on enhancing reliability during extreme weather, increasing access to renewable energy, and maintaining affordable energy rates. Key provisions include the formation of a board of directors with relevant expertise, the identification of high-priority transmission corridors, and the authority to adopt rules, enter contracts, and utilize eminent domain for land acquisition. Additionally, the bill creates a Tribal Clean Energy Partnership Work Group to enhance tribal participation in clean energy development, consisting of members from Indian tribes, electric utilities, and experts in economic development. The work group will evaluate pathways for tribal involvement in clean energy projects and submit reports to the legislature. The bill also introduces the electric transmission capital account and the electric vehicle account for earnings distribution from the treasury, streamlining financial management and ensuring transparency. It outlines the management of funds related to federal programs and specifies that no appropriation is needed for certain refunds or allocations, ultimately aiming to foster collaboration between tribal entities and energy developers while protecting tribal rights and resources.