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Fingrid, the operator of the Finnish electricity transmission network, announced that the investigation remains the cause of the disconnection of the Finnish-Estonian transmission line “EstLink 2” from the power grid on Friday night.
Fingrid emphasized that current information does not indicate that the malfunction was due to an external influence, but investigators still need to clarify what caused the malfunction.
The operator of the Estonian electricity transmission network “Elering” emphasized that the electricity supply was not at risk as a result of the incident, but electricity prices on the stock exchange could rise. On Saturday, the electricity exchange price in Estonia rose slightly, but the effects of the suspension of “EstLink 2” are mitigated by the fact that less electricity is generally consumed on the market at weekends, and other production capacities in the region are operating at the usual pace and in the Strong winds are expected on Sunday night, which will increase the electricity production of the wind farms.
“Elering” board member Erki Sapp said it was not yet known whether the fault was on the ground, in the converter stations or in the submarine cables.
The failure of “EstLink 2” reduced electricity transmission capacity between Finland and Estonia by 650 megawatts (MW).
Meanwhile, “Latvenergo” states that its production facilities are operating at full energy and supplying electricity to the Baltic states.
Due to damage to the Finnish-Estonian high-current cable, energy imports to the Baltics are limited. Latvenergo production facilities operate at full availability and provide electricity to the Baltic States. https://t.co/ZpLxeTzCch
– Latvenergo (@Latvenergo) January 27, 2024
The second power cable between Estonia and Finland “EstLink 1” works in the usual mode.
The total length of “EstLink 2”, which was discovered ten years ago, is 170 km, of which 145 km are underwater cables. “EstLink 1” began operations in 2006, but in 2035 Estonia and Finland plan to complete the “EstLink 3” cable.
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