Eni Storage Systems has commenced construction on a new manufacturing facility for lithium-iron-phosphate (LFP) batteries in Brindisi, southern Italy.

The plant aims to supply battery energy storage systems (BESS) designed to store and release renewable energy, supporting the grid. This comes as Europe’s demand for stationary battery systems is projected to increase from 36GWh in 2025 to an estimated 138GWh by 2030.

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Eni Industrial Transformation chief operating officer Giuseppe Ricci said: “Today, we are launching in Brindisi an industrial initiative that marks Eni’s entry into an entirely new business with significant growth potential.

“This project is designed to support the energy transition by creating industrial and technological value in a sector that is crucial to the decarbonisation process, combining the development of renewables with the resilience of the energy system.”

Eni Storage Systems is a joint venture between Eni Industrial Evolution and FIB (Seri Industrial Group. The project’s groundbreaking ceremony was attended by Italy’s Minister of Enterprises and Made in Italy, Adolfo Urso, along with local officials.

The facility is located on a section of the Versalis industrial site that previously housed polymer storage and other decommissioned industrial activities.

Plans for the Brindisi site include the construction of a gigafactory for producing battery cells and modules, in addition to a BESS assembly plant.

The Brindisi assembly facility is expected to expand capacity and will also assemble modules supplied by Seri Industrial’s Teverola gigafactory in Caserta.

A second phase is set to add production of LFP cathode active material and battery recycling operations, which will serve both Brindisi and Teverola sites.

Combined annual production capacity is expected to reach 16GWh by 2030, accounting for over 10% of the European market for BESS.

Seri Industrial chief executive officer Vittorio Civitillo said: “When the answer is investment in an innovative, competitive business that is central to the global energy transition, we are proud to be part of it.

“When change is driven by a strong industrial vision, social responsibility and the awareness that we must work together as a country, we are confident that this initiative will become an extraordinary opportunity for growth for Brindisi and for Italy.”

Separately, Eni has disclosed an agreement to acquire a 25% stake in Black Giant, a Chilean subsidiary of EnergyX.

Black Giant is developing a lithium extraction project in northern Chile near the Salar de Punta Negra. The total phased investment by Eni is $225m.