Japan-based PowerX eyes battery investments with EPCG, factory in Montenegro
14 May 2026 - PowerX from western Japan signed a deal with Montenegro's state-owned EPCG on planning 500 MWh of battery storage in the Balkan country
EVN Macedonia puts BESS of 10 MW into operation at its solar park
13 May 2026 - EVN Macedonia commissioned a battery energy storage system within its Probištip photovoltaic plant in North Macedonia
ReLi energy wins first prize at European Solar Startup Awards 2026
07 May 2026 - Germany’s reLi Energy won gold at the European Solar Startup Awards 2026. It has outperformed three other finalists to claim the top spot
Romania exceeds 1 GWh in battery storage capacity
07 May 2026 - Excluding prosumers, Romania has thirty battery energy storage systems (BESS) totaling 599 MW, while the overall capacity has surpassed 1 GWh
Enery inaugurates region’s largest battery system in Nova Zagora in Bulgaria
07 May 2026 - Austria-based Enery has commissioned the Nova Zagora BESS. It is the largest battery system in Central and Eastern Europe, the company said.
Rezolv Energy commissions 225 MW solar park St. George in Bulgaria, with BESS
07 May 2026 - One of Bulgaria’s largest PV parks is fully operational and it includes a BESS. Rezolv Energy built St. George on the former Silistra airport.
Montenegrin utility EPCG developing 639 MW of power generation and storage projects
06 May 2026 - EPCG is developing solar, wind, battery, and hydropower projects totaling 639 MW, with an expected annual output of over 1 TWh, wrote Milutin Đukanović, President of the Board of Directors
Renalfa IPP starts installing 200 MWh battery system at solar plant in North Macedonia
05 May 2026 - The co-located BESS is being installed at Oslomej, a solar power plant with a peak capacity of 65.8 MW at a former coal mine, Renalfa said
Premier Energy building one of largest battery systems in Southeastern Europe
04 May 2026 - Premier Energy Group has begun the construction of a 200 MW / 400 MWh battery energy storage system (BESS) in eastern Romania
Batteries enable Bulgaria to import cheap electricity even when domestic production exceeds demand
04 May 2026 - Bulgaria's abundant energy storage enables importing electricity at low, zero or negative prices even when domestic production exceeds demand
Serbia’s EMS signs grid connection contracts for seven battery storage projects
30 April 2026 - Serbia's TSO Elektromreža Srbije signed grid connection contracts for seven standalone battery storage projects
TerraPower starts building 345 MW nuclear plant in US using advanced Natrium technology
29 April 2026 - The facility is set to become “the first utility-scale advanced nuclear power plant in the United States,” TerraPower said