The first half of the year saw mixed results among China’s leading ESS suppliers, though generally the industry is still performing strongly, writes PV Tech ESS analyst Charlotte Gisbourne. 

Gotion High-Tech has been named as the BESS supplier for three projects totalling 6GWh awarded to an ACWA Power consortium in Saudi Arabia.

China’s listed battery storage companies have entered the peak interim reporting season, with H1 2026 likely marking the broadest profit recovery in recent years.

In this news roundup, Eos and WATTMORE; Gotion and Gamma Technologies; Middle River Power and PowerTransitions; and Electra AI and MinTech are advancing battery energy storage system (BESS) technology in the US.

What are the technology improvements of the 4th generation of LFP batteries, and what do they mean for BESS applications?

The state-owned Saudi Power Procurement Company (SPPC) has revealed the qualified bidders for its second build own operate (BOO) BESS tender, totalling 3GW/12GWh of capacity across six projects.

China-headquartered energy storage firm Gotion and US power electronics manufacturer Richardson Electronics have partnered to manufacture BESS. It comes at a time when Chinese companies are starting to sell down stakes in US assets amid new FEOC rules.

As China enters Q4 2025, the capacity utilisation rate of the country’s energy storage battery manufacturing capacity will remain high, a trade body said.

Chinese lithium-ion OEM Gotion High-Tech has launched manufacturing of its 5MWh BESS units at its manufacturing facility in Göttingen, Germany.

China-based lithium-ion OEM Gotion has launched a 7MWh BESS DC block product and claims over 7GWh of deals already.