market_grid_demand
Daily electricity demand (MWh, Central-time days, EIA-930, preliminary) of major U.S. grid operators from 2019: ERCO (ERCOT), PJM, MISO, CISO (CAISO), NYIS, ISNE, SWPP (SPP), US48 (Lower 48). Free (no key or free key): the most recent 30 days of each series; a Pro key unlocks full history. Values are exact as published with unit, date and original source URL; incomplete days are flagged, never filled. Free for non-commercial use with attribution; commercial use requires Pro.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| end | No | YYYY-MM-DD (default: latest date) | |
| limit | No | Rows to return (default 100) | |
| start | No | YYYY-MM-DD. Default: 30 days ending at the series' latest date. Older dates need a Pro key. | |
| offset | No | ||
| respondent | No | ERCO, PJM, MISO, CISO, NYIS, ISNE, SWPP, US48 — comma-separated, or all (default ERCO,PJM,MISO,CISO) |