ISO-NE capacity tag track record
The hour to beat
2026, provisional, from observed hourly load- cp1Thu, Jul 225.3 GW6:00 PM ET
Any hotter business day through September takes the slot. The capacity tag your facility carries next capability year is your demand during whichever hour wins.
Every call
Rows before 2026 are graded from past seasons of settled New England data — 2023 is partial, graded from mid-July when the public feed opens. The live 2026 record starts the day calls publish.
| Date | Call | p | Outcome |
|---|---|---|---|
| 2026•Live Season1 day listed, 0 flagged | |||
| 2026-07-02 | — | — | In playcurrently the season peak · a hotter day can take the peak until the season closes · watch the replay |
| 20253 days listed, 3 flagged | |||
| 2025-07-29 | ▲ WARNING | 91% | False alarmflagged WARNING+, but the season peaked on another day · watch the replay |
| 2025-06-24 | ▲ WARNING | 100% | Hitwatch the replay |
| 2025-06-23 | ▲ WARNING | 100% | False alarmflagged WARNING+, but the season peaked on another day · watch the replay |
| 20242 days listed, 2 flagged | |||
| 2024-07-16 | ▲ WARNING | 92% | Hitwatch the replay |
| 2024-06-18 | ▲ WARNING | 77% | False alarmflagged WARNING+, but the season peaked on another day · watch the replay |
| 20231 day listed, 1 flagged | |||
| 2023-09-07 | ▲ WARNING | 87% | Hitwatch the replay |
A hit is a day flagged WARNING or higher that held the season's peak, graded on official data. Live-season rows quote our strongest call that day and grade when the season closes.