Peak ledger

Friday, August 28, 2026

Our call
1%
CLEAR · window 3:00 PM CT–5:00 PM CT
the chance the day would set August's peak
The day
67.1 GW
max at 12:05 AM CT
Outcome
RANK 28
beaten, the month leader is 91.0 GW
What was behind the 1%
Forecast max
85.7 GW
Month max
91.0 GW
Margin
-5.3 GW
Temp anomaly
-2.1 °F
Est. curtailment
1.5 GW
Est. battery
-0.2 GW
p (raw)
1%
p (final)
1%

model hybrid-1.1.0 · computed 1:18 AM CT · stress-test these drivers →

This day ranks #28 of 28 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".