WA SB5634

Increases maximum community solar project size from 199 kilowatts to 999 kilowatts, while reserving at least 50% of incentive payments for projects 199 kilowatts or smaller

Expands eligible administrators to include tribal governments, affordable housing providers, and other entities beyond utilities and nonprofits; requires non-utility administrators to register with the utilities and transportation commission

Establishes labor standards for projects over 199 kilowatts including apprenticeship utilization, prevailing wage compensation, and contractor registration compliance verified by the Department of Labor and Industries

Creates new incentive payment structure allowing utilities to receive 10-year power purchase agreement funding for third-party owned community solar projects serving low-income subscribers, capped at 35% of total program funding

Authorizes Washington State University extension energy program to provide 50% of project costs at precertification for non-utility projects, with total statewide incentive cap of $100 million and biennial limits of $25 million starting July 2023