Sunrun Inc. (RUN) Stock Surges 16% on Solar Tax Relief and Grid Expansion

Sunrun shares rallied sharply after the Senate excluded excise taxes on solar projects in new legislation, sparking a 16.8% surge to $10.50. The MOVE reflects growing investor confidence in renewable energy as the company deploys 130,000 home batteries to stabilize the U.S. grid this summer.

Market enthusiasm outpaced fundamentals, with the stock's -12.21 EPS and 2.61 beta signaling ongoing volatility. The tax exemption specifically benefits projects using Chinese materials, removing a key barrier for solar developers.

Trading volume spiked as the news broke, though after-hours activity showed modest profit-taking at $10.40. Sunrun's operational milestone—650 megawatts of dispatchable power serving 480,000 homes—demonstrates scalable renewable infrastructure becoming reality.