Data sources for Elpriser

Sources and comments

Kilde	URL / Sted	Comments
Spotpriser (day-ahead)	https://api.energidataservice.dk/dataset/DayAheadprices	Live fetch via API. 15-min intervaller i DKK/MWh → Kr/kWh.
Tariffer (Nettarif C)	https://radiuselnet.dk/priser/alle/	Hardcoded værdier pga. manglende API-data for 2026 Nettarif C.
Afgift elafgift	Hardcoded (2025/2026 estimater)	Elafgift: 0,008 Kr/kWh (0,8 øre/kWh).
Afgift transmission	Hardcoded (2025/2026 estimater)	Transmission: 0,115 Kr/kWh (7,2 øre systemtarif + 4,3 øre nettarif = 11,5 øre/kWh).

Tariff (øre/kWh) – Radius Elnet Nettarif C 2026

Updated: 2026-10-09 18:00:39 (seasonal – changes automatically every 1st of April/October)

Season / Time band	Tariff øre/kWh (live from getNettarifC)
SUMMER (April–September)
00:00–05:59 Lavlast	13,27
06:00–16:59 Højlast	19,91
17:00–20:59 Spidslast	51,76
21:00–23:59 Højlast	19,91
WINTER (October–March)
00:00–05:59 Lavlast	13,27
06:00–16:59 Højlast	39,82
17:00–20:59 Spidslast	119,45
21:00–23:59 Højlast	39,82