PJMWARNING94% chance today ends in the season's top five · window 3:00 PM ET–5:00 PM ET

Peak ledger

Thursday, September 3, 2026

Our call
0%
CLEAR · window 2:00 PM CT–4:00 PM CT
the chance the day would set September's peak
The day
68.2 GW
max at 12:00 AM CT
Outcome
RANK 3
beaten, the month leader is 86.5 GW
What was behind the 0%
Forecast max
84.3 GW
Month max
86.5 GW
Margin
-2.2 GW
Temp anomaly
-1.1 °F
Est. curtailment
1.5 GW
Est. battery
-0.2 GW
p (raw)
1%
p (final)
0%

model hybrid-1.1.0 · computed 2:53 AM CT · stress-test these drivers →

This day ranks #3 of 3 observed days this month. See the full month ladder →

All values from real ERCOT feeds. Calls are logged to an append-only hash chain before intervals close (methodology). Free to republish with a link: "Peak data by WattMarkets".