Peak ledger
Friday, August 21, 2026
Our call
◇ 9%
CLEAR · window 3:00 PM CT–5:00 PM CT
the chance the day would set August's peak
The day
71.3 GW
max at 12:00 AM CT
Outcome
RANK 21
beaten, the month leader is 90.5 GW
What was behind the 9%
- Forecast max
- 91.6 GW
- Month max
- 90.6 GW
- Margin
- 1.0 GW
- Temp anomaly
- +1.8 °F
- Est. curtailment
- 1.5 GW
- Est. battery
- -0.2 GW
- p (raw)
- 73%
- p (final)
- 9%
model hybrid-1.1.0 · computed 2:57 AM CT · stress-test these drivers →
This day ranks #21 of 21 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".