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  1. Market Data
September 1, 2021

ALTEO-Budapest Battery Energy Storage System, Hungary

By Carmen

The ALTEO-Budapest Battery Energy Storage System is a 6,000kW energy storage project located in Budapest, Hungary.

The project was commissioned in 2018.


The ALTEO-Budapest Battery Energy Storage System is owned by ALTEO Energiaszolgaltato Nyrt (100%).

The key applications of the project are frequency regulation and grid support services.

Contractors involved

ALTEO Energiaszolgaltato Nyrt and Greensmith Energy Management Systems have delivered the battery energy storage project.

Additional information

The plant combines three of Wartsila’s W34SG engines with 6 MW/4 MWh of battery energy storage. The hybrid installation will operate in ‘virtual power plant mode’ to help regulate the grid, providing primary and secondary frequency regulation services. Wartsila acquired Greensmith in mid-2017 after a period of the two collaborating on projects.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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