See the peak coming
Free coincident peak forecasts with a public track record. ERCOT, PJM, and NYISO live now, more ISO coverage coming.
Today's Load vs. Current Peakcross the white line and today is the new peak
Built for people with load on the line
Daily peak odds and when to be off
Every market, every morning, in its own timezone — graded across four ERCOT summers and a four-year PJM backtest. The window says when to be off, not the whole afternoon.
Open the live board| Today's call | ERCOT | PJM | NYISO |
|---|---|---|---|
| Forecast max | 77.5 GW | — | — |
| Peak to beat | 83.3 GW | — | — |
| Margin | -5.84 GW | — | — |
| Temp anomaly | -5.3°F | — | — |
| Est. curtailment | −1.5 GW | — | — |
| p (raw → final) | 0% → 0% | — | — |
| chance today peaks | CLEAR 0% | no call today | no call today |
a 4 in 5 chance the peak lands here ⓘ
Every call on the record
Logged when made, hashed so it can't be rewritten, graded against official settlements. One record per market, never blended.
The ERCOT 4CP 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 PJM 5CP record
| Peaks caught | Days flagged | False alerts | |
|---|---|---|---|
| ▲ WattMarkets | 18 of 20 | 36 | 36h |
| Alert every hot day | 20 of 20 | 86 | 132h |
The NYISO ICAP record
| Peaks caught | Days flagged | False alerts | |
|---|---|---|---|
| ▲ WattMarkets | 3 of 4 | 22 | 38h |
| Alert every hot day | 4 of 4 | 25 | 46h |
Four sends a day, max
One WATCH the evening before. One WARNING by mid-morning. ACTION when it's time. STAND DOWN when it's over — per market, only for the markets you follow.
Get alerts- Emaillive
The WATCH, the evening before
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WARNING and ACTION, on your phone
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Signed JSON to your systems
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Risk windows on your calendar
Free. The ledger is public
The API key is free at sign-in. No card, no trial clock.
Open the live board