PRIME is the only Romanian company producing Li-ion batteries and energy storage systems, with a notable presence in various sectors such as industrial, automotive, maritime, and large-scale BESS. . Romania's lithium-ion battery manufacturer Prime Batteries Technology, founded and controlled by Romanian entrepreneur Adrian Polec, confirmed plans for a second factory with an intended capacity of 6 GWh according to Profit. The company reached a production capacity of 2. We are passionate about what we do and we settle for nothing but the best. The next expansion phase will aim to increase capacity to 6,000 MWh annually, further. . LSG Romania started the construction works for a 7 MW Battery Energy Storage System, the first and biggest storage system in Romania used for automatic Frequency Restoration Reserve (short form aFRR, a form of grid balancing). Battery Energy Storage Systems (short from BESS) will become more and. . Simtel, an engineering and technology group and a national leader in renewable energy, together with PRIME Batteries Technology, one of the leading energy storage solutions manufacturers in the European Union and the only battery producer in Romania, announce the signing of a partnership for the. .