Renewables.digital currently lists 68 Battery Storage (BESS) transactions in Europe between November 2024 and September 2026, with a combined capacity of 22,605 MW, led by Germany (18), United Kingdom (13), Finland (12), Italy (8) and Spain (5). The most active companies are Alight (3), Fu-Gen (3), Allianz Global Investors (2) and Alpiq (2). The most recent deal is “Alight Acquires 2 GW Swedish Solar and Storage Development Pipeline from Soltech Energy Solutions” (30 September 2026).
68Transactions
22,605 MWTotal capacity
16Countries
9With PPA
November 2024 – September 2026Period
Key facts
68 transactions between November 2024 and September 2026, 22,605 MW in total (average 337 MW per deal)
How many Battery Storage (BESS) transactions in Europe are listed?
Renewables.digital currently lists 68 Battery Storage (BESS) transactions in Europe between November 2024 and September 2026, with a combined capacity of 22,605 MW.
Who are the most active buyers of Battery Storage (BESS) in Europe?
Alight (3), Allianz Global Investors (2) and Alpiq (2) (number of deals).
Who are the most active sellers?
Fu-Gen (3), Greenvolt Power (2) and Helios Nordic Energy (2) (number of deals).
What is the largest of the Battery Storage (BESS) transactions in Europe?
Qualitas Energy Acquires Cero Generation's 5.8 GW European Solar PV and BESS Platform from Macquarie Group with 5,800 MW (7 September 2026).
Alight has acquired a portfolio of 40 large-scale solar development projects totalling approximately 2 GW from Soltech Energy Solutions in southern Sweden (SE3 and SE4). Most sites include battery storage options. The acquisition brings Alight's Nordic solar and storage pipeline to over 5 GW. Transaction approved by Sweden's ISP.
Fu-Gen has closed on the sale of the 100 MW Kärppiö ready-to-build BESS project in Teuva municipality, South Ostrobothnia, Finland to Nala Renewables. The transaction is the third under a framework agreement between the two parties, bringing Nala's Finnish BESS pipeline to 275 MW / 550 MWh. Construction is expected to begin later in 2026.
Nordi has completed the sale of a 125 MW / 500 MWh ready-to-build battery energy storage project in Kristinestad, Ostrobothnia, Finland to Enlight Renewable Energy. The project is located adjacent to Fingrid's Kristinestad substation with all key permits and grid connection agreement in place. Commercial operation is expected in Q1 2028.
RP Global has acquired the fully permitted 22 MWp A6 Leiningerland solar PV project from GAIA, located along the A6 motorway in the Leiningerland area of Rhineland-Palatinate, Germany. The three-site, 17.9-hectare project qualifies for EEG remuneration and is planned to begin construction in early 2027. RP Global also plans to add battery storage to the project.
Hansa Battery has sold its 99 MW ready-to-build standalone BESS project near Hilgermissen, Lower Saxony, Germany to a major undisclosed IPP via a competitive process advised by JLL Energy & Infrastructure Advisory. The 100% SPV share sale is expected to reach commercial operation in H2 2028, qualifying for Germany's 20-year grid-fee exemption.
Qair Deutschland has acquired the 19.63 MWp Solarpark Aurachtal in Erlangen-Höchstadt, Bavaria from Friedrich Brehm GmbH & Co. KG. The ready-to-build project is expected to generate approximately 22,000 MWh annually, with construction planned for Q4 2027 and grid connection in Q1 2028. A co-located BESS of up to 20 MWh is also being planned.
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.
Eelpower Energy has completed its fifth asset acquisition: the 50 MW / 200 MWh Silkstead battery energy storage project near Winchester from Balanced Grid Works. Construction is scheduled for 2027 with commercial operations expected in 2028, as Eelpower advances its plan to invest £500 million into grid-scale BESS in Great Britain.
BW ESS has acquired two standalone utility-scale BESS projects in the Valencia region, Spain from developer Navacant, totalling 126 MW / up to 675 MWh. The projects (99 MW and 27 MW) are expected to reach Ready-to-Build status in 2027 with commercial operations targeted for 2028. BW ESS intends to own and operate the assets long-term.
Alpiq has acquired the Bollingstedt battery storage project from ECO STOR's project company ECO POWER ONE GmbH. Operational since June 2025 and operating under one of Germany's first Flexible Connection Agreements, the project is one of Germany's most advanced large-scale BESS facilities. ECO STOR retains technical and operational management post-transaction.
Gore Street Capital's GS EU Fund has completed the acquisition of two ready-to-build BESS projects in the Republic of Ireland from Gore Street Energy Storage Fund: Kilmannock (120 MW / 240 MWh) and Mucklagh (75 MW / 150 MWh), totalling 195 MW / 390 MWh. Both projects have secured grid connections and planning permissions, with CODs expected in Q1–Q2 2028. The acquisitions mark the first deployment of the Ireland Strategic Investment Fund's commitment into the Irish grid.
Capital Dynamics has acquired a 170 MW / 4-hour long duration energy storage (LDES) BESS project in Knockanure, County Kerry, Republic of Ireland from a group of private shareholders. With planning consent secured in October 2025 and grid connection at the Knockanure 110 kV substation, the project marks Capital Dynamics' first investment in the Republic of Ireland.
Korkia Semecon Finland Renewables has completed the sale of the 125 MW Kukonkylä ready-to-build battery energy storage project in Sievi, Northern Ostrobothnia, Finland to Enlight Renewable Energy. One of Finland's largest publicly announced BESS projects, Kukonkylä is expected to connect to the Finnish transmission grid by H1 2028.
NextEnergy Capital's NextEnergy UK I fund has completed the acquisition of a 107 MW portfolio of three standalone operational BESS assets in Southeast England: Maldon (40 MW), Basildon (28 MW) and Loudwater (39 MW). All assets are immediately cash generative and backed by long-term Capacity Market contracts, bringing NEUK I's total standalone BESS capacity to 165 MW.
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.
Eku Energy has acquired the 300 MW / 600 MWh Didcot BESS project in Oxfordshire, England from TBC Partners. The transmission-connected asset will link to the National Grid via the upgraded Didcot 400 kV substation. Construction is scheduled to begin in 2026, with grid connection targeted for 2028, located near the UK's first AI Growth Zone at Culham.
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.
Alcemi has entered the Romanian market through the acquisition of two battery energy storage projects: a 300 MW project in Medgidia (Constanța County) and a 275 MW project in Șura Mare (Sibiu County), both configured as 4-hour systems. The acquisition, made in partnership with local developers Andrei and Emil Pop, marks Alcemi's first investment in Romania.
Greenvolt Power has signed an agreement to sell the Kira solar PV park (57.47 MWp) in Királyegyháza, southern Hungary, to PPC Group for €64.2 million. Fully operational since July 2024 and backed by a 25-year KÁT feed-in-tariff, the deal also gives PPC an option on a co-located 49.1 MW / 196.2 MWh BESS project. Closing is expected by end of 2026.
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.
Delta Capacity and Strioga Family Foundation have signed an agreement to jointly acquire the Karppio BESS project in Teuva, Finland from Helios Nordic Energy. The 125 MW / 300 MWh ready-to-build project is expected to reach commercial operation in 2027, adding to Delta Capacity's growing Nordic battery storage portfolio which already includes the 70 MW / 160 MWh Ånge BESS in Sweden.
Energy tech company Flower has signed a share purchase agreement with Chint Solar Europe to acquire seven ready-to-build battery energy storage projects across five German states, totalling 112 MW / 332.5 MWh. All projects hold grid connections and permits, with commissioning targeted for 2027. Chint Solar will deliver the projects under an EPC agreement and provide long-term O&M. The acquisition brings Flower's German BESS portfolio to approximately 300 MW.
Royal Vopak has completed the acquisition of a 79% controlling stake in Green Energy Storage (GES) and taken a final investment decision on a 200 MW / 800 MWh battery energy storage project in Oosterhout, Netherlands, for a total investment of approximately €230 million. Construction is set to begin shortly, with commercial operations expected in H1 2028. Greenchoice will offtake 50% of capacity under an 8-year tolling agreement.
Data as of 2 October 2026. The overview covers the transactions currently listed in the Renewables.digital database; each deal links to its original public source.
