Renewables.digital currently lists 9 Battery Storage (BESS) transactions in Italy between December 2025 and September 2026, with a combined capacity of 7,373 MW. Companies involved include Zenith Energy Ltd. (2), Elgin (1), Ellomay Capital (1), Encavis GmbH (1) and Hanwha Energy Europe (1). Development status: Under Development (7), Operational (1) and Ready-to-Build (1). The most recent deal is “Qualitas Energy Acquires Cero Generation's 5.8 GW European Solar PV and BESS Platform from Macquarie Group” (7 September 2026).
7 September 2026 · 5,800 MW · United Kingdom, Italy, Spain
Qualitas Energy has signed a definitive agreement to acquire Cero Generation's core European platform from Macquarie Group through Qualitas Energy Fund VI. The 5.8 GW portfolio spans the UK, Italy and Spain, comprising over 2 GW in operation, under construction or at ready-to-build stage and 3.8 GW in development. Cero Generation will continue to operate as an independent Qualitas Energy portfolio company.
Encavis has acquired a 65 MW / 260 MWh standalone utility-scale battery energy storage system in Ceprano, Lazio, Italy from ReFeel New Energy, backed by Gresham House Europe. The project marks Encavis's first large-scale BESS acquisition in Italy, complementing its existing ~420 MW Italian solar PV portfolio. Commissioning is planned for 2028.
Elgin has completed the acquisition of Project San Martino, a 40.5 MWp agrivoltaic solar project co-located with a 20 MW BESS in Molise, Italy. The project will be co-developed with a local engineering firm through to Notice to Proceed and marks Elgin's fifth Italian acquisition.
OX2 has acquired two standalone battery energy storage system projects of 100 MW / 400 MWh each in Apulia, southern Italy from Hanwha Energy Europe, totalling 200 MW / 800 MWh. Construction is expected to begin in Q2 2027 with commissioning targeted for late 2028. The acquisition adds to OX2's 1.5 GW Italian development portfolio.
Ellomay Capital Ltd. has signed an agreement to acquire 100% of a project company holding a 51.75 MW / 207 MWh ready-to-build battery energy storage system in Northern Italy. The transaction marks Ellomay's first battery storage investment in Italy, with revenue stacking across the capacity market, day-ahead and intraday trading and grid stability services. Conditions precedent must be satisfied by end of 2027.
Sonnedix has acquired a 260 MW battery energy storage portfolio in Tuscania, Italy from Sphera Energy, comprising two adjacent standalone projects of 160 MW / 4H and 100 MW / 4H. The deal brings Sonnedix's total BESS portfolio to approximately 2.8 GW and builds on its existing Italian footprint, which surpassed 1 GW of solar PV capacity in March 2026.
Zenith Energy Ltd. has acquired two agrivoltaic solar development projects of approximately 23 MWp and 5 MWp in the Piedmont region of Italy, along with land secured for a 5 MW BESS. The total consideration is EUR 2,016,000, payable upon achieving Ready-to-Build status by March 2028. The acquisitions bring Zenith's Italian solar pipeline to approximately 100 MWp in Piedmont and its total development pipeline to 163.5 MWp.
Zenith Energy Ltd. has acquired a 10 MWp photovoltaic development project in the Puglia region of Italy for EUR 1,050,000, payable upon achieving Ready-to-Build status by February 2027. The project includes land secured for a 4 MW integrated BESS. The acquisition brings Zenith's total Italian solar development pipeline to approximately 135.5 MWp, advancing towards its target of 200 MWp by end of 2026.
Verdian has expanded its Italian renewable portfolio by 917 MW, including standalone battery storage and wind projects with associated storage. The transaction reinforces Verdian’s strategic focus on Italy as a core market for energy transition and grid flexibility.
Data as of 30 September 2026. The overview covers the transactions currently listed in the Renewables.digital database; each deal links to its original public source.
