Columbia resident Alan Klein stands outside his home, where he installed solar panels on his garage. The Federal Residential Clean Energy Tax Credit, which covers 30% of the cost of a qualified solar system, is set to expire at the end of 2025. (Kevin Richardson/Staff)
“It’s sort of like a mad rush, losing-my-mind busy," said Gailan Wensil-Strow, a vice president of American Sentry Solar, which is installing Dufour's system.