Seven months after workers finished installing solar panels atop the Garcia family home near Stanford University, the system is little more than a roof ornament. The problem: The local utility’s equipment is so overloaded that there is no place for the electricity produced by the panels to go.“We wasted 30,000-something dollars on a system we can’t use,” Theresa Garcia said. “It’s just been really frustrating.”President Biden is pushing lawmakers and regulators to wean the United States from fossil fuels and counter the effects of climate change. But his ambitious goals could be upended by aging transformers and dated electrical lines that have made it hard for homeowners, local governments and businesses to use solar panels, batteries, electric cars, heat pumps and other devices that can help reduce greenhouse gas emissions.Much of the equipment on the ele …
