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September 01,2026

Return Secures Financing, Vattenfall Toll for 800MWh Dutch Battery Storage in Netherlands

Return has reached financial close for its 200MW/800MWh Sirius BESS project in Winschoten, Groningen, Netherlands, securing a long-term fixed-price toll agreement with Vattenfall. The 4-hour battery system requires €180 million investment, part of a €400 million ($463M) financing package from ING, NatWest, Deutsche Bank, ABN AMRO and Rabobank.

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