BESS owner-operator Return has signed a long-term toll with power firm Vattenfall for its 200MW/800MWh Sirius BESS project in the Netherlands, concurrent with financial close. 

A roundup of some of the best user-posted views, analysis and reveals from across the energy storage community in the past week.

A total of 18GWh of large-scale BESS capacity came online in July 2026, of which China accounted for 70%. 

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

A trio of BESS updates in Germany from power firm Alpiq, CATL-backed system integrator CNTE and virtual tolling platform Terralayr, totalling around 260MW of operational capacity. 

If BESS are to be given restricted grid access, they should be given a commensurate reduction in the BKZ fee, Marie-Sophie Braun, head of markets & regulatory affairs for developer Kyon Energy, said.

US lithium-sulphur battery company Lyten is aiming to acquire another of Europe’s failed homegrown battery startups, Norway’s Morrow Batteries, which went into bankruptcy earlier this year. 

The UK government has launched a new grant funding programme for energy storage technologies that can provide inter-day and seasonal energy shifting applications.

Why should people take ESS Inc and its pivot to sodium-ion BESS seriously, having failed to deliver on its iron flow battery promises since going public in 2021? We catch up with new CEO Drew Buckley about how he hopes to turn the ship around.

Danske Commodities will optimise a BESS project that developer-operator BeGreen has added to a solar PV plant in Denmark, which the trading house already operates for BeGreen.