ERCOT Grid Data API — Demand, Fuel Mix & Prices

Live now: ERCOT system demand and the full generation fuel mix are available over the API today. Locational prices (LMP) are rolling out — create a free key and they switch on for you the moment they land, no migration.

01 / Quickstart

bash — two requests to live data

# 1 — get a free API key
$ curl -X POST https://vatio.dev/v1/auth/signup \
    -H "Content-Type: application/json" \
    -d '{"email":"[email protected]","password":"·····"}'

# 2 — pull ERCOT's live generation fuel mix — same shape across every grid
$ curl https://vatio.dev/v1/ercot/generation/realtime \
    -H "X-API-Key: vt_live_…"

ERCOT over one API

Electric Reliability Council of Texas runs five-minute real-time energy market across most of Texas and is known for extreme price spikes and heavy wind output, with demand around 85,000 MW at summer peak. It settles across hubs such as HB_HOUSTON, HB_NORTH, HB_WEST and HB_SOUTH.

What you can pull

Demand — system demand (load) in MW. Live.
Generation fuel mix — MW by source (gas, nuclear, coal, hydro, wind, solar). Live.
Prices (LMP) — locational marginal prices (LMP) in $/MWh. Rolling out.

Availability

Demand and the full fuel mix are live across every US grid today; locational prices for ERCOT are rolling out. Create a free key now — same endpoints, same JSON, just a different path segment. See the live CAISO price API for the exact shape.

· Related endpoints

Start in two requests

Free key, no card. Live data and history on the paid tiers — upgrade when you ship.

Get a free key →View pricing