Return secures €50M financing for 55 MW battery portfolio in Spain
Type: Financing · Technology: Storage · Country: Spain · Capacity: 55 MW · Value: EUR 50M · Announced: 2026-09-14
Return has reached financial close and initiated construction on a 55 MW/220 MWh battery energy storage portfolio located in Güeñes, Barakaldo, and Lezama in the province of Biscay, Spain. The four-hour projects are supported by a 10-year tolling agreement with ENGIE and are expected to begin commercial operations during the second half of 2027. Rabobank provided €50 million in construction financing and credit guarantees for the portfolio, which Return developed and will retain for long-term ownership and operation. The deal marks the largest standalone battery development in Spain to secure bank financing and enter construction.
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