Controversial Contractor Was Behind Island-Wide Blackout, as Puerto Rico Debates Full Privatization

Summary: The bulldozer that accidentally triggered an island-wide blackoutin Puerto Rico last week was operated by D. Grimm Inc., a company that reports up to the Oklahoma-based firm Mammoth Energy Services. The same subcontractor was blamed for another blackouttwo weeks agothat affected 870,000 homes. Attempting to repair a downed wire on Wednesday, a bulldozer got too close to a live, high-voltage line, triggering a chain reaction that left most of the island’s 3.