NYISO: Extended Heat Wave Could Cripple NY’s Power Grid THIS Summer

New York's electric grid faces its lowest reliability margins in recent history this summer, with only 417 MW available under baseline conditions, according to the New York Independent System Operator (NYISO). This critical situation stems from extreme weather, an aging generation fleet, and a lack of new dispatchable resources. NYISO's annual Summer Reliability Assessment (copy below) says an extended heat wave of three days or more, with temperatures around 95 degrees, could result in a capacity deficit of -1,679 MW, increasing to -3,370 MW at 98 degrees, potentially leading to blackouts. NYISO can implement emergency measures like purchasing energy or voluntary curtailment to mitigate shortfalls, but the overall margin for error is extremely narrow.

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