Transformer explodes in Hoboken knocks out power; hours later another explosion By FOX 5 NY Staff Published A transformer exploded in uptown Hoboken. Credit: Suzanne Preston via Storyful NEW JERSEY - The fiery explosion of a transformer that knocked out power to thousands in Hoboken was captured on video. Hours later, another transformer exploded in the Mile Square city. About 5,000 residents were without power after the transformer caught fire Monday night at 11th Street and Hudson Street, said Mayor Ravinder Bhalla. Thousands had their power restored just over an hour later. On Tuesday morning, another transformer exploded at 14th Street and Park Avenue.