Technical FAQs 4

What is the largest battery energy storage system in Bulgaria?

Billed as the largest operating battery energy storage system in Bulgaria to date, the 25 MW/55 MWh facility, developed by Austria’s Renalfa IPP, came online at the start of the month.

How big is Bulgaria's energy storage capacity?

A recent capacity tender has already allocated nearly 9,713 MWh to upcoming projects, further reinforcing the country's ambitions in energy storage. Before the commissioning of the Lovech facility, Bulgaria's largest BESS was a 25 MW / 55 MWh system developed by Renalfa IPP in 2024.

Which country has the strongest battery energy storage system in the Balkans?

The Bulgarian city of Lovech, northeast of Sofia, hosts the strongest battery energy storage system (BESS) in the Balkans. The Ministry of Energy even said the new facility, with a capability of 124.1 MW and 496.4 MWh in capacity, is the biggest in the European Union.

What is the largest Bess system in Bulgaria?

The system, which is connected to the transmission network and located alongside a 33 MW solar plant, successfully went live at the start of the month. Renalfa IPP claims the facility is the largest operating BESS system in Bulgaria and one of the first of such scale in Eastern Europe.

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