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.

BESS optimisation company Enspired has recently announced expansion into Greece, Spain and Poland, but how will it approach operating across markets and what benefits will it bring? We hear from its CEO.

Utility Public Power Corporation (PPC) has launched construction on two BESS projects in Northern Greece totalling 98MW/196MWh of capacity.

A panel of developers, operators, OEMs and consultants discussed the different government approaches in Europe to ensuring long-term deployment of energy storage with revenue and capex support schemes, at last month’s Energy Storage Summit EU 2025.

Industry experts discussed the varying approaches in Europe to procuring energy storage via long-term support schemes on Day One of Solar Media’s Energy Storage Summit 2025 in London, which kicked off today (18 February).

ESN Premium hears from independent power producer (IPP) Econergy about its expansion from solar into BESS across Europe.

The energy regulator in Greece has cancelled the country’s third large-scale energy storage procurement auction due to confusion over limits on how much power capacity could be bid in per participant, with a view to relaunching the scheme.

The European Commission has approved a €1 billion (US$1.1 billion) state aid measure for Greece to support two solar-plus-storage projects.

The successful participants in the second round of Greece’s auction for financial support of large-scale BESS have been revealed.