In Puerto Rico, residents are flocking to rooftop solar and backup batteries in search of more reliable, affordable — and cleaner — alternatives to the central power grid. Fire stations, hospitals, and schools continue adding solar-plus-battery systems every year. So do families with urgent medical needs and soaring utility bills. The technology has become nothing short of a lifeline for the U.S. territory, which remains plagued by prolonged power outages and extreme weather events.
But a political challenge by a powerful government entity threatens to slow that progress, according to local solar advocates and Democratic members of the U.S. Congress.
The new development, they warn, could make it particularly hard for communities and lower-income households to access…