/BUDAPEST, HUNGARY, June 19, 2025, 10:00 CET, MET Group/
Hungary’s largest operating standalone battery energy storage system (BESS) has been inaugurated today. MET Group put into operation a battery electricity storage plant with a total nominal power output of 40 MW and a storage capacity of 80 MWh (2-hour cycle). It is the latest example in a series of MET investments in BESS projects across Europe.
On site at the Dunamenti Power Station in Százhalombatta, MET already installed a 4 MW/8 MWh demonstrator plant based on Tesla Megapack 2 batteries in 2022. With this latest BESS plant, which went into operation today, MET Group and the Dunamenti Power Station are further strengthening their contribution to the energy transition in Hungary. The current storage capacity of all BESS units on site would be sufficient to supply the entire decorative and public lighting needs of Budapest for 4 hours. The supplier of the equipment is Huawei Technologies, the project’s main contractor is Forest-Vill Ltd.
At the official inauguration ceremony, Péter Horváth, CEO of the Dunamenti Power Station, emphasised: “The application of battery energy storage systems is a key element on the road to energy transition, as they allow for increasing the penetration of new renewable sources into the power grid.”
Péter Kaderják, President of the Hungarian Battery Association, said: “We must strive by all possible means to exploit Hungary’s renewable energy sources as extensively as possible, using well-established, cost-effective technologies. Therefore, the Hungarian Battery Association supports the efforts of the Hungarian energy policy, which deals with the green energy transition as a top priority.”
With its ongoing investments in BESS projects across Europe, such as the recent acquisition of the French battery storage operator and developer Comax in 2024, MET Group aims to address the increasing need for balancing technologies to support the energy transition. MET is also expanding technologically, with significant investments in co-located storage facilities that are being developed alongside solar parks in several European countries.
About MET Group
MET Group is an integrated European energy company, headquartered in Switzerland, with activities and assets in natural gas and power markets. MET is present in 17 countries through subsidiaries, 32 national gas markets, and 44 international trading hubs. The company’s 1,100+ employees represent close to 60 nationalities. MET has extensive experience operating green (renewable) and flexible (conventional and non-conventional) energy assets, thus providing the widest possible support to energy transition. In 2024, MET Group’s consolidated sales revenue amounted to EUR 17.9 billion, with a total traded volume of natural gas amounting to 140 BCM and total traded electricity of 76 TWh.
For more information and answers to your questions about the European battery storage market and related content, you may read here: Europe Battery Energy Storage System (BESS) Market Outlook 2025 ÷ 2034
In order to download the executive summary brochure with sample pages, please access it here: Europe Battery Energy Storage System (BESS) Market Outlook – Sample
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Image credit: MET Group
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