It replaces a 40MW/80MWh project from Met Group, inaugurated in mid-2025, as the largest in the country.

Greenvolt is also active with large-scale projects in Poland, Italy and Portugal, generally targeting markets where there are publicly-available subsidies or contracted revenue schemes.

The Buj project has a ten-year contract from the government under a cap-and-floor subsidy scheme. Greenvolt secured financing for it in January this year.

An image provided of the project shows that the BESS units were provided by BYD. Greenvolt also used BYD for its Polish projects.

An energy and M&A lawyer at law firm Kapolyi recently wrote a guest blog about how the energy storage market in Hungary is evolving.