Eni Takes €55m Stake in Seri Industrial to Build Integrated Italian Battery Chain

Eni Takes €55m Stake in Seri Industrial to Build Integrated Italian Battery Chain The partnership targets more than 8 GWh of annual lithium iron phosphate cell output by 2029, with a fixed consideration of €55 million and price adjustment mechanisms to be determined. Eni SpA has agreed to pay €55 million ($63.86 million) as a fixed consideration for a stake in Seri Industrial SpA's battery operations, with price adjustment mechanisms on top, launching an integrated partnership across the lithium iron phosphate battery value chain in Italy.⁴ The deal comes as Italy's LNG import position has changed abruptly. Rovigo terminal received the Al Utouriya on Friday (2026-05-15) — one of the last three Qatari LNG vessels to depart Ras Laffan before the Iran war brought a virtual halt to tanker traffic through the Strait of Hormuz, Kpler vessel-tracking data showed. The other two, Al Kharsaah and Al Ghuwairiya, berthed at the UK's South Hook and Milford Haven terminals. Since those cargoes docked, Italy's direct cargo pipeline from Gulf LNG producers has been effectively paused.¹ The partnership builds on an earlier project Eni and Seri Industrial launched last year. Eni Storage System — the vehicle carrying out the manufacturing build — plans to commission a second factory by 2029, targeting annual output of more than 8 gigawatt-hours of cells and modules.⁴ Lithium iron phosphate dominates grid-scale storage because of its lower thermal risk and longer cycle life than nickel-based alternatives. Italian domestic cell production at 8 GWh scale would reduce dependence on imported battery packs and give Eni a direct role supplying the storage infrastructure that underpins renewable integration and grid flexibility planning. The Hormuz disruption has repriced European gas sharply. ICE TTF front-month gas rose 35% on Tuesday (2026-05-19) to more than €60 per megawatt-hour, and was approximately 76% higher over the preceding week (week of 2026-05-18), CNBC reported.³ An Italian bank warned the same week that European financial markets were "significantly underpricing" the timeline needed to restart damaged Persian Gulf energy infrastructure, with even the most optimistic scenario implying a prolonged process, Montel reported.² Around 25% of Europe's total gas supply comes from LNG, Stifel analyst Chris Wheaton estimated.³ That exposure runs directly through ICE TTF front-month gas prices into the cost of gas-fired dispatch, and Italy's power cost base tracks it closely. Battery storage does not replace gas in the dispatch stack overnight. But greater grid storage capacity reduces the hours when gas-fired plant runs as the marginal unit, absorbing renewable surpluses and discharging at peak demand instead. Eni committing to upstream cell manufacturing rather than purchasing finished storage systems reflects a longer-horizon industrial view than a simple clean-energy capex allocation. For analysts pricing the deal, the key uncertainty is whether the €55 million fixed component fairly values Seri Industrial's battery operations relative to comparable European LFP manufacturers. The retention of price adjustment mechanisms suggests both parties left room for that calibration to be resolved through subsequent milestones or production benchmarks.⁴ The harder question is timing. The second factory is not producing cells until 2029. If Hormuz remains partially closed to LNG traffic through 2026 and into 2027 — the scenario the Italian bank assessed as being underpriced by markets — Italy's power cost exposure widens before Eni-Seri's domestic capacity comes online. Rovigo's berths are quiet. That gap between current supply vulnerability and the industrial solution is where the near-term risk concentrates.^2,1