Peak ledger
Wednesday, September 2, 2026
Our call
◇ 2%
CLEAR · window 2:00 PM CT–5:00 PM CT
the chance the day would set September's peak
The day
86.5 GW
max at 4:45 PM CT
Outcome
RANK 2
beaten, the month leader is 86.6 GW
What was behind the 2%
- Forecast max
- 85.6 GW
- Month max
- 84.1 GW
- Margin
- 1.6 GW
- Temp anomaly
- -0.4 °F
- Est. curtailment
- 1.5 GW
- Est. battery
- -0.2 GW
- p (raw)
- 29%
- p (final)
- 2%
model hybrid-1.1.0 · computed 11:59 PM CT · stress-test these drivers →
This day ranks #2 of 9 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".