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PSEG Long Island is asking customers to cut all “non-essential” electrical use from 3 to 7 p.m. today due to excessive heat that is straining the electric grid in the region.

In addition to the typical demand challenges faced during high heat, the company is also addressing “resource capacity concerns” from third-party providers.

Long Island and the Rockaways may experience outages due to excessive heat and the potential loss of supply. PSEG-LI said it has mobilized extra repair crews, who are working 16-hour shifts around the clock to restore outages safely and as quickly as possible. Customers who experience an outage should call 1-800-490-0075.

PSEG asks customers restrict air conditioning use, unless it is needed for a health condition, and use fans instead. If air conditioning is needed, thermostats should be set to 78 degrees and on maximum efficiency modes, the company said. The utility also recommends that customers close blinds and drapes facing the sun to “keep out the sun’s heat.”

The company is asking customers not to run nonessential home appliances, like washing machines, dishwashers and pool pumps, during those hours. They are asking businesses to bring lighting use to a minimum.

During extreme heat conditions, PSEG Long Island encourages all customers to:

•           Seek out air-conditioned spaces (if safe) if their homes become too warm.

•           Stay hydrated by drinking plenty of water. Avoid drinks with caffeine or alcohol.

•           Avoid wearing dark colors because they absorb the sun’s rays.

•           Never leave children or pets alone in enclosed vehicles.

•           Avoid strenuous exercise during the hottest part of the day, which is between 10 a.m. and 2 p.m.

Riverhead’s Senior Center at 60 Shade Tree Lane in Aquebogue will be open today until 4:30 p.m. to provide residents relief from the extreme heat forecast.

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Alek Lewis is a lifelong Riverhead resident and a 2021 graduate of Stony Brook University’s School of Communication and Journalism. Previously, he served as news editor of Stony Brook’s student newspaper, The Statesman, and was a member of the campus’s chapter of the Society of Professional Journalists. Email: