return

September 1, 2026
BESS owner-operator Return has signed a long-term toll with power firm Vattenfall for its 200MW/800MWh Sirius BESS project in the Netherlands, concurrent with financial close. 
July 21, 2026
Return and Engie have agreed a long-term BESS toll in Spain while EnBW and Zelestra have finalised one in Italy, totalling 55MW and 300MW of capacity respectively.
March 3, 2026
Allianz GI, Luxcara and Return have acquired BESS projects and portfolios in Germany, Finland and Spain; Low Carbon, OX2, Cero Generation and Revera have taken FIDs on projects in Poland, Finland and the UK; and NHOA Energy has received a 600MWh order in Italy. All in all, the projects total at least 3.7GWh of capacity.

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September 14
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, 2026
Rotterdam, Netherlands
September 15
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Berlin, Germany
October 6
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