SE3 · Home quickstart

Sweden SE3 electricity-price API quickstart

Fetch Swedish SE3 day-ahead prices and measured forecasts with a one-zone Home account.

Short answer

Use bidding-zone code SE3. Home includes SE3 prices, a P50 forecast, 90 days of history, and one webhook rule.

Forecast performance is published daily on the public accuracy board; losing zones remain visible.

Live SE3: €32.49/MWh for 2026-08-29 22:15–22:30 GMT+0000; source entsoe.

Set it up

  1. 1 Start Home with SE3 carried into checkout.
  2. 2 Create an API key after selecting SE3.
  3. 3 Fetch the published curve, then fetch the 48-hour forecast.
  4. 4 Verify timestamps and EUR/MWh units before connecting automation.

Verify the data first

curl -H "Authorization: Bearer YOUR_API_KEY" "https://voltcast.com/api/v1/prices/SE3"

Check zone, units, source, issuance time, native resolution, and gaps before connecting a physical device. The live public context is at /zones/SE3.

Example task

Show tomorrow’s SE3 price curve in local time and identify the lowest four consecutive intervals.