Sweden — Sundsvall (SE2) — price history

Average day-ahead price per calendar month, in öre/kWh. Months are cut on the market clock (CET/CEST), so an evening never lands in the wrong month.

How often each hour of the day was the cheapest hour of its day, over the whole stored history. In this zone that is most often 23:00 — 22% of days.