Bulgaria now has a world-leading amount of battery storage capacity relative to energy system despite a period of political turnover, although those assets are now cannibalising the revenues which attracted investment in the first place.

A roundup of large-scale battery energy storage system (BESS) projects being financed, acquired or contracted in Poland, Lithuania, Latvia, Finland and Romania. 

The largest grid-scale battery energy storage system (BESS) project in the Czech Republic has gone online, supplied by a company invested in by lithium-ion OEM CATL. 

The European Commission (EC) has approved a financial support scheme to accelerate the deployment of battery storage technologies in Slovenia.

Greenvolt Power has inaugurated the 200MW Turośń Kościelna Battery Energy Storage Facility in Poland, which energy trader Entrix will optimise.

Alcemi, developer of some of the UK’s biggest projects, has entered the Romanian battery storage market, while Slovakia’s biggest project to date has gone into operation.

It’s been a busy week for the large-scale energy storage market in Poland, with projects moved to construction and delivery by EDF Power Solutions & Eurus Energy Europe, Eiffel Investment Group & Ergy, R.Power Renewables, and EDP.

ESS Tech Inc is deploying sodium-ion BESS in the US with Juniper Energy, while CATL deploys its sodium-ion technology in Eastern Europe with Solarpro.

Energy companies are accelerating battery storage deployment in Romania, with Aukera, ENEVO Group and Kraftfeld Energy, and PPC Renewables Romania announcing significant project developments.

There’s been a flurry of project completions across Europe this past week, with projects completed in Germany, Estonia, Belgium, Denmark and Bulgaria by RheinEnergie/SMA, BSP, BStor, European Energy and Sunotec respectively, totalling nearly 700MWh of capacity.