Sunrun shares rose 3.63% to $8.83 after Sunrun and Tesla dispatched more than 580 megawatts of peak power from over 140,000 home batteries to California’s grid on the evening of September 9, 2026. The three-hour event was the largest recorded distributed power plant dispatch and supplied enough capacity to power all households in Sacramento County during peak hours. Tesla Powerwalls provided 517 megawatts, while other residential batteries supplied 63 megawatts; about 110,000 Powerwalls participated, 55% of them owned and operated by Sunrun. Sunrun also dispatched more than 30,000 batteries from other manufacturers. The California Energy Commission and utilities requested the discharge as extreme heat, high demand and elevated wholesale prices pressured the grid. A separate Southern California Edison request produced more than 140 megawatts on September 10, while a Brattle Group report commissioned by Sunrun and Tesla projected up to $206 million in net savings by 2028. Sunrun remains in a longer-term downtrend, with the stock below its 50-day and 200-day averages, although its RSI of 45.08 indicates neutral momentum. Analysts have a consensus Buy rating and an average price target of $15.15, while the company’s estimated November 5 earnings report calls for earnings per share of 37 cents and revenue of $830.62 million.