NYISO ICAP · 2022

The single coincident peak of summer 2022, with its date, hour, and NYCA load — the hour that set ICAP tags for the following capability year.

RankPeak dayPeak hour (ET)System load
cp1Wed, Jul 205:00 PM ET30.5 GW

Source: NYISO settled hourly integrated load, observed, all 11 zones summed. NYISO's official determination settles from verified metered data after the capability year. Weekends and NERC holidays have never held the peak. See methodology. Free to republish with a link: "Peak data by WattMarkets".