An electrical fire broke out in the basement of a residential tower in Midtown on Friday morning.
More than 1,800 New Yorkers were without power Sunday evening, Con Edison said.
Sections of Great Kills and Bay Terrace briefly went dark, and officials feared more outages in the city.
Residents in Staten Island and Queens experienced the most outages, a utility spokesman said.
Residents told a state Moreland Commission panel about poor communication by Con Ed after Sandy.
The victim was taken to New York-Presbyterian Hospital burn center, fire officials said.
A Staten Island lawyer says hurricane showed Con Ed shouldn't be in the power-supply business.
A winter storm bringing snow and rain is threatening to delay post-Christmas travel.
Seven construction firms on the city's caution list worked on the Atlantic Yards project.
Many said they can't afford to pay for repairs to get power restored in their homes.
The worker suffered second-degree burns in the electrical flash at 55-30 46th St., sources said.
Residents of Knickerbocker Village are considering a rent strike after two weeks in the dark and cold.
55,000 New Yorkers are still in the dark after Hurricane Sandy and a Nor'easter tore through the region.
The power for a Reade Street building was shut down by Con Edison after the noon explosion.
Another 80,000 suffered water damage in the hurricane's floods, Bloomberg said.
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