Peak ledger
Monday, July 27, 2026
Our call
◇ 2%
CLEAR · window 2:00 PM CT–6:00 PM CT
the chance the day would set July's peak
The day
89.8 GW
max at 5:30 PM CT
Outcome
RANK 5
beaten, the month leader is 91.2 GW
What was behind the 2%
- Forecast max
- 86.2 GW
- Month max
- 91.3 GW
- Margin
- -5.1 GW
- Temp anomaly
- +1.0 °F
- Est. curtailment
- 1.5 GW
- Est. battery
- -0.2 GW
- p (raw)
- 3%
- p (final)
- 2%
model hybrid-1.1.0 · computed 11:57 PM CT · stress-test these drivers →
This day ranks #5 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".