Projects & Applications

Prosolia Energy adds 15 MW/60 MWh BESS to solar plant in Portugal

Spain’s Prosolia Energy has commissioned a 15 MW/60 MWh battery energy storage system (BESS) at a 34.4 MWp solar project in Portugal, marking its first large-scale, international solar-plus-storage hybrid project.

By

Gwenaelle Deboutte

Jul 27, 2026

Spanish renewable energy producer Prosolia Energy has commissioned a battery energy storage system (BESS) at its Albispark solar plant in Castelo Branco, central-eastern Portugal. The project combines a 15 MW battery system with 60 MWh of storage capacity and an existing 34.4 MWp solar installation.

Connected directly to the 150 kV high-voltage transmission grid, the hybrid project is, according to the company, one of the largest renewable energy hybrid installations currently operating in Portugal. Prosolia Energy said it strengthens the growing role of energy storage in Europe’s energy transition.

The system uses technology supplied by Trina Storage. Designed for large-scale applications, the solution integrates monitoring and energy management systems to optimize plant operation and interaction with the electricity grid.

The project was selected as one of the beneficiaries of Portugal’s Recovery and Resilience Plan (PRR) through the C21 – REPowerEU program, which aims to strengthen grid flexibility and accelerate renewable energy integration.

From pv magazine France

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Written by

Gwenaelle Deboutte

Gwénaëlle has been a journalist for over 15 years and heads the editorial team of the pv magazine France website and its French-language newsletter. Since 2015, she has been covering developments in the renewable energy sector for the professional press. In parallel, she reports on economics and industrial policy in Europe.

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