MISO Grid Data API — Demand, Fuel Mix & Prices

Live now: MISO 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 MISO's live generation fuel mix — same shape across every grid
$ curl https://vatio.dev/v1/miso/generation/realtime \
    -H "X-API-Key: vt_live_…"

MISO over one API

Midcontinent ISO runs real-time energy and operating-reserve market across 15 central US states and the province of Manitoba and is a wind-rich grid spanning the nation's midsection, with demand around 120,000–127,000 MW at summer peak. It settles across multiple load and generation hubs across its footprint.

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 MISO 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