TVO To Build Olkiluoto 3 Battery Back Up

Finish utility Teollisuuden Voima (TVO), owner of the Olkiluoto nuclear plant, said it had signed a contract for what will be one of the largest battery energy storage systems in Europe.

Olkiluoto islandThe 90-megawatt battery system is expected to serve as a backup in case of production disruptions at the OL3 reactor, which is expected to become operational in early 2022 after a prolonged construction scheduled marred by delays.

The battery system will help “minimize the effect of power fluctuations on the grid …. The turnkey solution acts as a fast-start backup power source,” TVO said.

"By 2050, electricity will be the backbone of the entire energy system. Together with TVO, we are enabling the people of Finland to move towards a carbon neutral future. The energy revolution requires pioneering technologies and new intelligent solutions to ensure system flexibility and reliability. It is also vital for business activities and competitiveness that the future of our electricity system is stable and reliable. Battery energy storage of this scale and the growth in low-emission electricity production represent significant steps for the climate and contribute to Finland's goal of carbon neutrality in 2035", said Matti Vaattovaara, Country Managing Director of Hitachi ABB Power Grids' business in Finland.

Once the third Olkiluoto reactor is commissioned, about 30 percent of Finland's electricity is expected to come from the plant and support the transition of Finland's electricity production towards carbon neutrality.

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