| Name | Type | Description | Notes |
|---|---|---|---|
| endAt | Number | End of interval. The format is Unix epoch time unless you pass a `datetime_format` parameter as described here. | |
| whDel | Number | Energy delivered during this interval, in Watt-hours. | |
| devicesReporting | Number | Number of revenue-grade meters that reported data for this interval at the time of the request. |