SMA awarded contract for large-scale 4-hour battery storage project in Chile

“Building this “4-hour-project” together with our partners is a game-changing example of integrating PV and battery storage systems on an industrial scale,” said Florian Bechthold, Executive Vice President Division Large-Scale and Storage Solutions at SMA. “Solar power is stored in a grid-supportive manner and is used 24/7 to stabilize the grid. This underscores SMA’s commitment to the expansion of a sustainable and secure energy supply in Latin America.”

The large-scale storage system is being built in the commune of Diego de Almagro in the Atacama region. In synergy with the neighboring PV power plant, it enforces the energy infrastructure in one of the most important solar regions in Chile. SMA is supplying 67 medium-voltage power systems, each equipped with a Sunny Central Storage 4400 UP-S featuring cutting-edge SiC-MOSFET technology—for the highest efficiency and energy yield. A plant control system specifically developed for large-scale storage projects based on the SMA Power Plant Manager is included in the delivery.

“We thank eStorage and Colbún for their trust in our energy systems,” said Daniel Rosende, General Manager of SMA in Latin America. “This project, in which we are also working closely with grid operator Coordinador Electrico Naccional, represents a milestone for SMA in Latin America. It emphasizes our technological leadership in the field of storage solutions and demonstrates the potential of our grid-forming solutions under challenging conditions and our contribution to a climate-friendly energy future in Chile.”

Construction of the large-scale storage system, capable of supplying electricity to approximately 55,480 households, began in June. The commercial commissioning is scheduled for December 2026.

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