Tesla and Sungrow continue to top the Battery StorageTech Bankability Ratings Report, which also shows how revenue, profitability and shipments are trending in the industry, writes Solar Media Market Research analyst Joe Hennessy.  

A roundup of updates on BESS projects from SolarMax, Energy Vault, Engie, and Spearmint in the Electric Reliability Council of Texas (ERCOT) market.

Three BESS projects totalling 7.8GWh in Saudi Arabia have been connected to the electricity grid, technology provider Sungrow said.

Battery storage products from prominent international providers Sungrow, Wärtsilä and Chint Power have undergone recent fire safety tests.

Two Finland BESS project announcements, with Exilion ordering grid-forming energy storage technology from Merus Power and Nala Renewables ordering units from Sungrow for 2-hour systems.

On October 29, Sungrow released its Q3 2025 report. Judging from the latest performance, whether in terms of financial data or market capitalisation, Sungrow stands ’in a league of its own’.  

China-based inverter and BESS firm Sungrow has submitted its application for a Hong Kong Stock Exchange IPO, after a period of strong revenue growth.

BESS provider Sungrow and power firm Engie have connected the first phase of a 400MW/800MWh project, one of the largest in Europe, to the grid in Belgium.

IPP EP Produzione has ordered 220MWh of BESS from inverter and energy storage firm Sungrow in Italy, with a storage-focused capacity auction scheme just 11 days away.

Several Chinese companies active in the energy storage space have recently released their financial reports for H1 2025, with the majority posting strong growth. Their energy storage business segments have been a key driver of that growth.