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Power cable failure between Finland and Estonia. Authorities are looking for the cause

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On the night from Thursday to Friday, the EstLink2 submarine power cable between Finland and Estonia failed. Its causes are not yet known, and the authorities announced that at the current stage of the proceedings they are taking into account all possible scenarios.

The EstLink 2l transmission cable was disconnected from the network after midnight on Friday. The causes and location of the failure have not yet been determined. The investigation is still ongoing, said the transmission operator Fingrid on Friday evening. – There are no signs yet that the failure was caused by a foreign entity, but nothing can be ruled out at this stage – admitted Timo Kaukonen, Fingrid’s chief expert. – We have no information that an external entity was behind this, said Kari Klemm from the Ministry of Economy, quoted by the daily “Helsingin Sanomat”. He added that “according to the police, there is no indication of this”, but noted that “nothing can certainly be ruled out until the case is investigated.” According to Fingrid, the cable failure “so far does not pose a threat to the operation of the transmission system in Finland, and electricity supplies are secured.”

Undersea cable (illustrative photo)Vismar UK/Shutterstock

Read also: Finnish police: An anchor found near a damaged gas pipeline probably belongs to a Chinese ship

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“Significant” EstLink2 transmission capacity

The disconnected EstLink2 is the second bus between Finland and Estonia. The total length of the Finnish-Estonian connection is 170 km, of which 145 km runs under the bottom of the Gulf of Finland; there are several kilometers of traction on the Finnish and Estonian sides. Finland also has electricity connections with Sweden and Norway. It is noted that the transmission capacity of EstLink2 is 650 MW and is “significant” in the country. For comparison, the total power of Finland’s largest nuclear reactor, Olkiluoto 3, is 1,600 MW. Currently, the energy supply is secured thanks to the increased production of wind farms, but the demand for energy will be greater when the wind strength decreases and greater frosts come again. EstLink2 was put into operation in 2014, and EstLink1 in 2008.

Main photo source: Vismar UK/Shutterstock

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