Peak ledger

Saturday, August 29, 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
88.2 GW
max at 5:00 PM CT
Outcome
RANK 15
beaten, the month leader is 91.0 GW
What was behind the 1%
Forecast max
87.9 GW
Month max
91.0 GW
Margin
-3.1 GW
Temp anomaly
-2.6 °F
Est. curtailment
1.5 GW
Est. battery
-0.2 GW
p (raw)
1%
p (final)
1%

model hybrid-1.1.0 · computed 11:59 PM CT · stress-test these drivers →

This day ranks #15 of 31 observed days this month. Watch the replay → · 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".