Record-breaking energy storage inaugurated in Győr —CATL Debrecen
Hungary’s largest electricity storage facility to date, with a capacity of nearly 100 MWh, was inaugurated in the Győr Industrial Park — built on CATL’s advanced lithium-ion technology.
Győr, 27 February 2026 — Hungary’s highest-capacity energy storage facility to date was inauguratedon 26 February in the Győr International Industrial Park. The system, with a capacity of nearly 100 MWh, is built onCATLadvanced lithium-ion battery technology, and will play a key role in the efficient system integration of power plants relying on weather-dependent, renewable energy sources.
The country’s largest electricity storage
TheALTEO-Depónia Kft.awith 49.9 MW of powerandand 99.8 MWh of installed capacitybuilt an industrial electricity storage facility in the vicinity of the city on the Rába. The new Győr facility houses a total of21 units of CATL New Generation Container EnerXunits, the world’s first large-battery-cell energy storage system.
The inaugurated Győr energy storage with CATL New Generation Container EnerX units. Photo: CATL Debrecen.
High energy density, long lifespan
CATL’s industrial energy-storage equipment is characterised byhigh energy density, a long lifespan of up to10,000–12,000 cycles, an intelligent cooling system and easy commissioning. Thanks to multi-level battery management and built-in fire-protection systems, the equipment is extremely safe.
“CATL is best known as a leading manufacturer of batteries for electric vehicles, but our company has been the world’s number one in the stationary energy-storage market for four years now. We are proud that ALTEO chose us too, and that with our products we can contribute to harnessing renewable energy sources in Hungary.”
Shen Feng — Managing Director of CATL Debrecen
Green energy on the grid
CATL’s energy-storage equipment is sought after in many markets worldwide — including the United States, China, Germany, the United Kingdom and Australia. The company’s latest developments help integrate electricity from green sources (solar, wind) into the energy grid, for which it also provides ancillary services to strengthen system security.
Founded in 2011,Contemporary Amperex Technology Co., Ltd. (CATL)held a 39.29% global share of the electric-vehicle battery market and a 36.5% share of the industrial energy-storage market in 2025 — making it one of the world’s most important battery-industry players. With 13 manufacturing bases and 6 R&D centres, the company has extensive professional experience; 10 of its plants have achieved carbon-neutral certification, and 3 have been selected by the World Economic Forum as members of the Global Lighthouse Network. In the future, CATL’s Debrecen plant will also adopt the company’s experience in Industry 4.0, green manufacturing and logistics.
Press coverage
- Portfolio · Hungary’s largest electricity storage inaugurated
- Dehir · The country’s largest energy storage built on CATL technology
- Kisalföld · The country’s largest storage inaugurated in Győr
- Magyar Építők · A single project raised domestic storage capacity by 20%
