BORNHOLM: It was an excessively high current level that caused a power outage on Bornholm on Wednesday. This is stated by the utility company Trefor in a press release.
The increased current level would have been slowed down by an extra backup fuse under normal circumstances.
But this fuse did not work, and this led to Energinet's submarine cable being overloaded and disconnected, Trefor writes in the release.
- Unfortunately, there was an error on Wednesday morning in connection with the system that limits the power level on Bornholm.
- And at the same time, the extra backup fuse we have on the system did not work. We are still investigating the reason why the backup system did not work either, says electricity supply director Per Sørensen in the announcement.
Almost 30,000 electricity customers on Bornholm were affected by the power outage, which occurred on Wednesday at 10:16.
The first consumers were reconnected at around 12:30, and at 2 p.m. there was power again in the sockets all over the island.
In a text message that the utility company sent out to electricity customers, it was stated that power would be restored in the evening.
- We are doing this as a worst-case scenario, based on our experience with how long it takes to restore supply to the entire island when emergency supply has come into effect.
- We end up restoring supply much faster, since the submarine cable was powered again, and we were therefore not dependent on emergency supply, says Per Sørensen in the press release.
/ritzau/
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