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Brindisi, 24 September 2025 – Eni and Seri Industrial announce that Eni Storage Systems, a joint venture established by Eni (50% plus one share) and Fib (50% minus one share), a Seri Industrial subsidiary, has begun the operations in the development of industrial project for the production of stationary lithium batteries in the Brindisi industrial area.
Eni Storage Systems aims to establish a hub capable of producing over 8 GWh per year of lithium-iron-phosphate batteries, primarily intended for stationary energy storage, using a water-based process. The project is currently in the engineering phase and undergoing economic, financial and authorisation assessments, which are expected to be completed by the first quarter of 2026, before moving into the execution phase.
Announced on 25 October 2024, the project is part of Eni’s industrial transformation plan, which aims to support industrial development based on ever-increasing environmental, social and economic sustainability and confirms the partnership between Eni and Seri Industrial in the integrated management of the Brindisi site, together with the plant that Fib is building in Teverola (in the province of Caserta). At the Brindisi site, industrial activities will also include the production of cathode active material - a lithium-iron-phosphate that stores and releases lithium ions in the cathode during charge and discharge cycles – as well as the assembly of batteries into BESS (Battery Energy Storage Systems), serving both the Brindisi and Teverola facilities. In future, the Brindisi site will also implement battery recycling, which, together with the production of cathode active material, will be available to other operators in the sector. Seri Industrial and Eni aim to gain more than 10% of the European stationary battery market, creating an integrated, state-of-the-art hub between Brindisi and Teverola to drive sustainability and the energy transition.
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