"Subway service remains significantly disrupted across the system, although there is limited service on the 1/2/3 and 4/5/6 lines.", the Metropolitan Transportation Authority tweeted.
Fadela Elferdaousy, 42, of Queens, was stranded at the Columbus Circle subway station.
However, New York City Mayor Bill de Blasio, tweeted to say that a manhole fire is responsible for the outage.
The outages come 42 years to the day of an extensive blackout that affected much of the city.
Outages were reported as early as 7 p.m.in Midtown and Upper West Side. NYPD and @FDNY are continuing to respond to calls in the area, thank you for your patience.More news: Billie Eilish Teases A Possible Collab With Justin Bieber
Fire trucks respond during a widespread power outage in the Manhattan borough of New York, Saturday, July 13, 2019, Authorities say a transformer fire caused a power outage in Manhattan and left businesses without electricity, elevators stuck and subway cars stalled. Traffic lights were not working along a stretch of Manhattan that extends up about a mile, and across from Fifth Avenue to the Hudson River, on Manhattan's far west side.
The outage also saw some Broadway shows cancel their Saturday evening performances, including Best Musical Tony victor Hadestown and King Kong.
While trains are still running despite the outage, the stations without power are being bypassed by trains until power is restored.
Con Edison did not immediately respond to phone messages. It advised people to stay away from underground stations.More news: Quake rattles greater Seattle area; no link to California
At dawn, the Manhattan skyline shows no lights due to a power blackout, New York, New York, July 14, 1977.
With some stations and traffic lights dark, many residents and visitors alike took to the streets and walked, according to social media posts, many of which had the hashtag #blackoutnyc.
The outage was having a widespread effect on the NY subway system, which was experiencing power outages in its stations, the agency managing the trains said.
The CBS Broadcast Center was affected and turned to generator power.More news: Arsenal poised to join Manchester United in race for defender