Book a demo
Skip to content

Stonewake Monitoring

Return closes EUR400 million financing for 200MW/800MWh Dutch battery

The Sirius BESS project in Winschoten has reached financial close alongside a long-term fixed-price toll with Vattenfall.

Project financeNLDPublished · 1 sourced fact

Return has reached financial close on the Sirius BESS, a 200MW/800MWh battery storage project in Winschoten, the Netherlands, as announced on 2026-09-01.[1]

The financing package behind the project totals EUR400 million and comes from NG, NatWest, Deutsche Bank, ABN AMRO and Rabobank.[1]

Alongside the close, Return signed a long-term fixed-price toll with Vattenfall covering the 200MW/800MWh facility.[1]

The toll is described as one of the largest fixed-price tolls signed in the Netherlands to date.[1]

Sources

  1. [1]Deal announcement: Return secures financial close, Vattenfall toll for 800MWh Dutch battery

Deal facts restated by Stonewake from the cited public announcements and reports; figures as reported by the cited source.

← All briefs