On January 11, 2022, the California Energy Commission (CEC) issued an update to its Summer 2022 Stack Analysis. Previously, on September 8, 2021, the CEC issued a revised Summer 2022 Stack Analysis that showed potential energy shortfalls ranging from 200 MW to 4,350 MW during the months of July through September 2022, in the evening
On October 29, 2021, the California Public Utilities Commission (CPUC) issued three proposed decisions intended to address potential electric capacity shortfalls in 2022 and 2023. The proposed decisions, if approved, would implement a variety of demand-side and supply-side policies designed to ensure that in the event of extreme weather during the summer of 2022 and/or 2023, California has sufficient electric capacity to avoid outages.
In August 2020, the California ISO experienced outages during the evenings of August 14 and 15, and only extraordinary efforts, including voluntary conservation efforts by California energy users, allowed the California ISO to avoid outages the following week.
After those outages, the CPUC and the California Energy Commission (CEC) have been working towards addressing potential capacity shortfalls during extreme weather events during the summer. In November 2020, the CPUC opened a rulemaking (R.20-11-003) to ensure reliability in the event of extreme weather during the summer of 2021. In February 2021, the CPUC adopted a decision directing procurement of additional capacity (D.21-02-028), and in March, adopted a decision directing additional demand-side and supply-side actions to increase supply and decrease load during extreme weather events (D.21-03-056).
California managed to avoid outages during the summer of 2021, although it was helped by relatively mild weather in August and September. A stack analysis performed by the CEC this summer, however, showed the potential for capacity shortfalls of up to 4,350 megawatts (MW) for summer 2022. In August, the CPUC implemented a second phase to R.21-11-003, to ensure reliability during the summers of 2022 and 2023.
Continue Reading California Public Utilities Commission Takes Action to Prevent Outages During Summer 2022 and 2023
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From our colleague David Hattery:
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