Under the policy, California’s renewable energy and zero-carbon resources supply 100 percent of electric retail sales to end-use customers and 100 percent of electricity procured to serve state agencies by December 31, 2045. The policy requires the transition to a zero-carbon electric system does not cause or contribute to increases of greenhouse gas emissions elsewhere in the western electricity grid. 

SB 100 requires the CEC, CPUC, and CARB to complete a joint agency report to the Legislature evaluating the 100 percent zero-carbon electricity policy, as described below. The report will be developed using a public process and qualitative and quantitative analyses to address the requirements and intent of the statute.

In consultation with all California balancing authorities and as part of a public process, the three agencies will issue a report to the Legislature by January 1, 2021, and at least every four years afterward. The joint report shall include:

  1. A review of the 100 percent zero-carbon policy focused on technologies, forecasts, then-existing transmission, and the maintenance of safety, environmental and public safety protection, affordability, and system and local reliability.
  2. An evaluation identifying the potential benefits and impacts on system and local reliability associated with achieving the policy.
  3. An evaluation identifying the nature of any anticipated financial costs and benefits to electric, gas, and water utilities, including customer rate impacts and benefits.
  4. The barriers to, and benefits of, achieving the policy.
  5. Alternative scenarios in which the policy can be achieved and the estimated costs and benefits of each scenario.

Related Events

September 30, 2019 | 10:00 AM - 01:00 PM
Fresno Council of Governments - 2035 Tulare Street, Suite 201, Fresno, CA 93721
The California Energy Commission (CEC) will jointly conduct a workshop with the California Public Utilities Commission (CPUC) and the California Air Resources Board (CARB) to solicit input from stakeholders to inform the scope of the joint agency report required by Senate Bill (SB) 100, the “100 Percent Clean Energy Act of 2018” (de León, Chapte

Past Events

1 - 1 of 1 events
September 5, 2019 | 10:00 AM - 01:00 PM
California Secretary of State Building - First Floor Auditorium

Related Programs

Renewables Portfolio Standard - RPS

The Renewables Portfolio Standard (RPS) is one of California’s key programs for advancing renewable energy.



100 Clean Energy
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