Saft to build the largest Li-ion ESS in the Nordic zone

19 March 2020

Saft, a wholly-owned subsidiary of Total, has won an order for three Intensium Max 20 High Energy containers from TuuliWatti, the Finnish wind developer and operator. The lithium-ion (Li-ion) energy storage system will support frequency regulation at a 21 MW wind farm in northwestern Finland, as well as providing backup and black start capabilities.

This Li-ion ESS, the largest in the Nordic countries, is sized to provide an energy storage capacity of 6.6 MWh and deliver
5.6 MW of power for frequency regulation throughout its 15-year lifetime. It comes in three integrated containers of 2.2 MWh each, designed and manufactured at Saft’s site in Bordeaux, France.

Commenting on the contract, Tommi Riski, portfolio manager for Power at TuuliWatti, said: “TuuliWatti’s goal is to be the leading wind power developer and producer in the Arctic region. Saft’s high-energy containers will help us achieve this at Viinama¬®ki by improving the competitiveness of wind power. They provide a fast response in challenging environmental conditions, as well as the energy storage capacity to support grid stability, allowing us to adjust the output of our wind farm immediately.”

Saft launched the Intensium Max 20 HE to address grid, renewables, commercial and industrial applications that require large-scale ESS with discharge times of around two hours.

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