Compact solar panels designed to plug into a standard outlet from a balcony or apartment deck are closer than ever to reaching U.S. consumers at scale. Yet as these systems gain traction, electric ...

This story has been updated with corrections to registration and contract deadlines, clarification on which customers would be eligible for rebates, and which entity participating homes build credit ...

These sheep, seen in Clear Lake, Minn., on May 29, are being used as an environmentally friendly option that can remove invasive species and reduce the need for herbicides at Xcel Energy’s Sherco ...