Peak ledger

Monday, July 27, 2026

Our call
1%
CLEAR · window 2:00 PM CT–6:00 PM CT
the chance the day would set July's peak
The day
66.3 GW
max at 12:00 AM CT
Outcome
RANK 27
beaten, the month leader is 91.2 GW
What was behind the 1%
Forecast max
86.2 GW
Month max
91.3 GW
Margin
-5.1 GW
Temp anomaly
+0.1 °F
Est. curtailment
1.5 GW
Est. battery
-0.2 GW
p (raw)
2%
p (final)
1%

model hybrid-1.1.0 · computed 4:01 AM CT · stress-test these drivers →

This day ranks #27 of 27 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".