Baltimore homeowners are getting an unusual break from rising utility costs with free rooftop solar panels that can cut the electric portion of bills by as much as 60%. The city-backed effort, called Baltimore Shines, has already enrolled more than 130 homeowners, and Victor Walters, associate director of outreach and intake at Civic Works, said there is still room for about 80 more homes. What's happening? Residents who qualify for Baltimore Sh…