Visitors from small islands off the coast of Maine traveled to SamsA , a larger island off the coast of Denmark, to learn how to emulate its transformation into a model of renewable energy. Inspiring the visitors from Maine, including those from the one-square mile island of Monhegan , population 65 that “swells to , Monhegan residents pay among the highest power rates in the nation – almost six times the national average – and the electric company, locally owned and operated, struggles to keep the lights on.