Batteries, the Italian utility scale market adds another operation: the Swedish company OX2 acquires two storage system projects from Hanwha Energy Europe, the continental branch of the Korean multinational. The two plants will be built in Puglia starting from the second quarter of 2027 and will each have a power of 100 MW and a capacity of 400 MWh. The entry into operation is expected by the end of 2028.
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The two projects would represent, compared to the Italian stock installed at the end of 2025, about 2.7% of the total battery power and 4.5% of their energy capacity (respectively 7,362 MW of nominal power and 17,920 MWh of capacity according to Terna’s survey). The plants will be autonomous, therefore not connected to a specific wind or photovoltaic park; they will absorb energy when production exceeds demand, then return it to the grid during hours when it is required.
Focus on Italy
For Paolo Tusa, head of OX2 Italy, the acquisition is “a substantial addition to our energy storage portfolio in Italy.” The operation, he adds, “marks a further step forward in OX2’s continuous expansion in the Italian market.” The company arrived in Italy in 2021 and today has projects for 1.5 GW among onshore wind, photovoltaic, and batteries. The first completed was the Maia wind farm, which entered operation in Puglia in 2025.
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Hanwha Energy Europe developed the two plants before selling them. For Hyojin Jeon, the company’s European head, the operation “demonstrates the skills and proven experience in developing storage projects.” Fabio Scarpa, responsible for Italy, also emphasizes “the solidity of our development capabilities at the local level,” and hopes that batteries can contribute to “making the Italian electrical system more flexible and resilient.”
Batteries and Macse
The growth of renewable sources increases the need to shift electricity between different hours. Production cycles can depend on weather conditions such as sun or wind, thus making it necessary to store electrical energy when production and consumption do not coincide. Operators are investing in industrial batteries and several projects are underway. Terna estimates that by 2030, 71.5 GWh of new storage capacity will be needed (net of already existing pumped hydro storage systems). Last year it inaugurated Macse (forward storage market), a tool that is driving the market and for which a second auction is planned after the summer.
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