The power company is working to complete some repairs in the area.
Con Ed reduced voltage by 8% while the repair work is underway.
At his daily briefing Thursday, Mayor Bill de Blasio repeated the utility's request for residents to conserve power, saying, "I really want to urge people to act quickly. We've got to protect our electricity supply for all New Yorkers."
WATCH: Mayor de Blasio urges conservation in southern Brooklyn
The affected area is bounded on the north by Third Street and Fourth Street, by the Narrows and Gravesend Bay on the south, by Fort Hamilton Parkway and Fifth Avenue on the east and by Gowanus Bay and the Narrows on the west.
The area includes 96,600 customers in the Carroll Gardens, South Park Slope, Sunset Park, Bay Ridge, Dyker Heights, and Borough Park neighborhoods.
The voltage reduction also affects the Windsor Terrace, Kensington, Borough Park, Flatbush, Dyker Heights and Bensonhurst neighborhoods.
At his daily briefing Thursday, Mayor Bill de Blasio repeated the utility's request, saying, "I really want to urge people to act quickly. We've got to protect our electricity supply for all New Yorkers."
Con Edison has asked customers in these areas not to use energy-intensive appliances such as washers, dryers, and microwaves until crews complete repairs. The company also asks customers to limit unnecessary use of air conditioning. If you have two air conditioners, you are asked to use only one and set it to the highest comfortable temperature.
It's not yet known how long the repair work will take.
Customers can report outages and check service restoration status at www.conEd.com/reportoutage, or with our mobile app for iOS or Android devices, or by calling 1-800-75-CONED (1-800-752-6633).
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