CA AB645

Increases the California Renewables Portfolio Standard (RPS) target to 50% renewable energy by December 31, 2030, with interim targets of 38% by December 31, 2023, and 44% by December 31, 2026.

Requires the Public Utilities Commission to establish procurement quantities for retail sellers by January 1, 2017, to achieve the 50% renewable energy target by 2030 and maintain that level in all subsequent years.

Requires governing boards of local publicly owned electric utilities to ensure procurement of renewable energy resources meets the same 50% target by December 31, 2030, with interim targets of 38% and 44% for intervening compliance periods.

Establishes new compliance periods for renewable energy procurement: January 1, 2021 to December 31, 2023; January 1, 2024 to December 31, 2026; and January 1, 2027 to December 31, 2030.

Specifies that no state reimbursement is required for costs incurred by local agencies in implementing the bill.