Equinor has resumed the full production capacity of its Johan Sverdrup field, which is the largest field in Western Europe, after a 12-hour delay due to a power supply outage, according to a Reuters report referring to a spokesperson from the Norwegian firm.

According to the statement, the field’s production was back after restoring the subsea cable, which feeds it with power coming from the land.

Sverdrup started production in 2019 and it is one of a growing number of Norwegian oilfields powered by electricity from shore, unlike many older fields which use natural gas and diesel generators for operations on-site.

The field is owned by Equinor has a 42.6% stake, Lunden Energy which holds 20%, Petoro which has a stake of 17.36%, Aker BP which owns 11.57% and TotalEnergies holding 8.44%, according to Reuters.