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Zelestra, EDP Sign PPA to Hybridise 50 MW Solar Plant in Spain with 160 MWh BESS

Zelestra and EDP have signed a long-term PPA to add a 160 MWh battery energy storage system to the 50 MW Pizarroso solar plant in Cáceres, Spain.

April 07, 2026. By Mrinmoy Dey

Zelestra and EDP have signed Spain’s first power purchase agreement (PPA) to hybridise an operational solar plant with battery storage.

Under the long-term agreement, Zelestra will develop a 160 MWh battery energy storage system (BESS) in Cáceres to complement the 50 MW Pizarroso solar plant, which has been operational since 2023.

EDP, the existing offtaker for the solar plant, will leverage the addition of battery storage to enhance energy management and optimise system flexibility.

This agreement builds on the companies’ strategic partnership in Spain. In 2025, Zelestra and EDP signed the country’s first combined solar and BESS PPA, covering 170 MW of solar capacity and 400 MWh of storage in Trujillo, Extremadura.

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Energy Storage

Zelestra

EDP

Hybridising solar plant with BESS

Solar plus BESS project in Spain