ISO New England · Example Payload

Iso New England Dayaheadconstraints_Current

EnergyUnited StatesElectricityEnergy MarketsGridOpen DataWholesale MarketsDemand ResponseRenewablesNew England

Iso New England Dayaheadconstraints_Current is an example object payload from ISO New England, with 1 top-level field. It illustrates the shape of data this provider's APIs accept or return.

Top-level fields

DayAheadConstraints

Example Payload

Raw ↑ 
{
 "DayAheadConstraints": {
  "DayAheadConstraint": [
   {
    "ConstraintName": "MIS",
    "ContingencyName": "Interface",
    "MarginalValue": -8.69,
    "BeginDate": "2026-07-27T17:00:00.000-04:00",
    "InterfaceFlag": "Y"
   }
  ]
 }
}