HOLYOKE, Mass. — New England’s power grid operator says electricity supplies are expected to more than adequately meet demand this winter.

ISO-New England, the operator of the region’s bulk power system and wholesale electricity markets, said Monday that the six-state region has 33,200 megawatts available. Demand is expected to peak at about 22,255 megawatts.

ISO-New England says that if the winter brings extreme weather, which it defines as slightly lower than 2 degrees, demand could reach 22,935 megawatts. That’s still less than electricity generated in the region or brought in from outside New England.

Normal winter temperatures are considered to be about 7 degrees Fahrenheit.

The grid operator, which is in Holyoke, said the all-time winter peak of 22,818 megawatts was set on Jan. 15, 2004, during a cold snap.

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