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San Diego County News

Independent publication serving San Diego County

CPUC approves long-term plans to meet electricity reliability and climate goals

February 11, 2022 By sdcnews

San Francisco, CA–The California Public Utilities Commission (CPUC) Thursday approved plans to ensure long-term sufficient electricity resource investments, including transmission, for the safe and reliable delivery of electricity and the reduction of greenhouse gas emissions.

The CPUC, per Senate Bill 350 (De León, 2015), developed an integrated resource planning process to ensure that California’s electric sector meets its greenhouse gas reduction goals while maintaining reliability at the lowest possible costs.

The decision adopts a 35 million metric ton (MMT) 2032 electric sector greenhouse gas emissions planning target, which is more stringent than the 46 MMT gas emissions target that was adopted previously, and equates to 73 percent Renewables Portfolio Standard resources and 86 percent greenhouse gas emissions-free resources by 2032.

The decision adopts a portfolio of cost-effective preferred resources that includes approximately 25,500 megawatts (MW) of new supply-side renewables and 15,000 MW of new storage and demand response resources by 2032; enough clean energy to power approximately 11.5 million homes. This preferred system plan portfolio differs from the one previously adopted in that it includes more solar and battery storage, as well as new long-duration storage, out-of-state wind, and offshore wind resources. The inclusion of offshore and out-of-state wind resources demonstrates their increased viability as cost-effective resources to help meet state goals. The CPUC’s modeling and independent analysis conducted by the California Energy Commission demonstrates that the portfolio meets stringent reliability standards.

The CPUC’s preliminary analysis of the preferred system plan portfolio of the load-serving entities indicates there is sufficient space for all of these new resources on the existing transmission system, with only limited transmission upgrades needed by 2032. This finding will be validated at a more granular level by the California Independent System Operator (CAISO) in its 2022-2023 Transmission Planning Process (TPP). The TPP is an evaluation of the CAISO transmission grid to identify grid upgrades needed to address reliability, meet state policy goals, and provide economic benefits.

The decision also orders utility procurement of two battery storage projects that were identified by the CAISO as alternatives to transmission upgrades in the previous TPP cycle. These alternatives achieve the same level of system reliability at lower costs to ratepayers.

“Today’s decision provides direction for procurement of an unprecedented amount of new clean energy resources. It keeps us on the path toward achieving our state’s ambitious clean energy targets while ensuring system reliability,” said Commissioner Clifford Rechtschaffen.

Integrated resource planning is a multi-year process. The first half of the planning cycle analyzed and adopted an optimal portfolio of electricity resources as a guide for load-serving entities to use for meeting their greenhouse gas emissions, reliability, and cost objectives. The second half of the planning cycle, which is the subject of the decision, is designed to consider the portfolios and actions that each load-serving entities proposes for meeting these goals, to allow the CPUC to review each load-serving entities plan and aggregate LSE portfolios to develop a preferred system plan portfolio and to consider whether further action by the LSEs, such as additional procurement, is needed to meet state goals. The Preferred System Plan adopted today completes the second half of the 2019-21 IRP cycle. For the upcoming cycle of IRP, the CPUC will again focus on analysis of the individual load-serving entities plans to be filed in November 2022, which will include plans to procure the 11,500 MW of capacity required for mid-term reliability in the CPUC’s June 2021 decision.

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Filed Under: Climate change, Environment Tagged With: Climate change, Environment


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