Return and Engie, EnBW and Zelestra agree long-term BESS tolls in Spain, Italy

July 21, 2026

A solar PV project that Zelestra is building in Italy. The firm is building solar and BESS across both Italy and Spain, and securing offtake as a route-to-market in both countries. Image: Zelestra via LinkedIn.

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.

Return and Engie sign 10-year toll for Spanish BESS

BESS owner-operator Return and power firm Engie have signed a 10-year toll for three battery energy storage system (BESS) projects in Spain.