Sunrun Stock Surges 18% on Tesla and Renew Home Partnership to Supply 16 GW of Flexible Power

Sunrun (RUN) announced a partnership with Tesla and Renew Home on Wednesday to deliver more than 16 gigawatts (GW) of flexible energy to data center operators. The stock jumped 18%, marking its largest single-day percentage gain in nearly 10 months. The collaboration pools power resources from hundreds of thousands of home battery systems operated by Sunrun and Tesla, alongside more than eight million devices managed by Renew Home, to address soaring energy demand from artificial intelligence operations.

According to a Goldman Sachs study, U.S. data center power demand is expected to reach 41 GW in 2026 and 66 GW in 2027. Sunrun CEO Mary Powell stated, "The grid of the 1800s cannot power the innovation of 2026," adding that the initiative will help data centers reduce operational throttling during peak demand hours while protecting households from costly infrastructure costs.