Live ERCOT dashboard: peak risk, prices, and grid conditions
ERCOT4CPtoday's load vs. current peak · cross the white line and today is the new peak
56%
WARNING
the chance today sets August's peak
- Forecast max
- 90.6 GW
- Month max
- 88.1 GW
- Margin
- +2.45 GW
- Temp anomaly
- +0.48°F
- Est. curtailment
- −1.5 GW
- p (raw → final)
- 70% → 56%
Calibration and model ⓘ
Tight window opens in
—:—:—
3:00 PM CT to 6:00 PM CT · 3h, not the whole afternoon
a 4 in 5 chance the peak lands here ⓘ
Hour by hour, Aug 17
1:00 PM
0.4%
2:00 PM
4.1%
3:00 PM
11%
4:00 PM
19%
5:00 PM
16%
6:00 PM
4.2%
7:00 PM
0.2%
Tap an hour for the why
ERCOT by zone
ERCOT demand 69.0 GW · hourlycoolerhotter than normal
The record
4 graded summers| Peaks caught | Days flagged | False alerts | |
|---|---|---|---|
| ▲ WattMarkets | 15 of 16 | 82 | 134h |
| Alert every hot day | 16 of 16 | 105 | 178h |
The API
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curl -H "X-Api-Key: wm_..." \ "https://wattmarkets.com/v1/predictions/daily?program=ercot-4cp-2026"Docs and live playground