Sunrun and Tesla home batteries set 745 MW grid record in California

On October 6, home batteries operated by Sunrun and Tesla delivered a record 745 MW of peak power to California's grid during a heat wave, up 28% from the previous 580 MW record. Dispatches ran during evening peaks under the DSGS program, triggered when power prices exceeded $200 per MWh.

• Peak output hit 745 MW on October 6, after 669 MW a day earlier
• Previous record of 580 MW was set on September 9, 2026
• The increase over the prior record was 165 MW, or about 28%
• Sunrun alone has over 120,000 home batteries enrolled in the program