A roundup of large-scale European BESS project news, with Principia completing a project in Greece, Repono buying one in Romania, Kyon choosing optimisers for two in Germany and Voltalia and NGEN targeting Portugal.

A flurry of grid-scale BESS project progress totalling more than a combined 1.5GWh in the past week, from Renalfa in Bulgaria, Engie in Romania, Nala Renewables in Finland and Metlen in Greece.

Hithium will supply its latest 6.25MWh DC block products to engineering, procurement and construction (EPC) company Solarpro, for projects in Eastern Europe.

Technology group Visual Fan subsidiary Allview has partnered with Trina Storage to deploy a 65MWh BESS project in Romania.

Renalfa IPP has secured a €315 million (US$367 million) financing package from an EBRD-led consortium to support a 1.6GW renewables, 3.3GWh BESS rollout in Bulgaria, Hungary, Romania, and North Macedonia.

The energy regulator in Romania has exempted energy storage resources from fees for charging from the grid.

A subsidiary of Turkish conglomerate Güri̇ş Group has signed an EPC contract for a 98.6MW/196.4MWh project in Romania with local firm Simtel.

IPP R.Power Renewables will launch construction on large-scale BESS projects in Romania and Poland in the second half of this year, while Electrica is procuring EPC works for its own BESS project.

Energy storage-focused lithium-ion OEM Hithium has started mass production of the world’s first 1,000Ah+ battery cell, which it is targeting for long-duration energy storage (LDES) applications.

Power generation firm Hidroelectrica has enlisted local firms Prime Batteries Technology and Enevo to deploy a large-scale BESS project in Romania.