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PotisEdge, a globally recognized leader in advanced energy storage solutions, has secured a major partnership with Aittub Oy in Finland for a 600MWh battery energy storage project. The agreement includes the first-ever order for PotisEdge’s newly launched PotisBank L6.25 system, signed immediately following its global debut.

The total investment exceeds €150 million, making it the largest BESS order in the Finnish market to date.The project will be delivered in two 300MWh phases. Phase One is expected to achieve commercial operation in Q3 2026, followed by Phase Two in Q2 2027. All systems will feature PotisEdge’s integrated solutions, including the established PotisBank-L5.0 and the debut PotisBank-L6.25 product.

Collaborating with Aittub Oy underscores market confidence in PotisEdge’s innovative technology and capability to deliver large-scale storage solutions. It also highlights the company’s growing influence in the European utility-scale energy storage sector and reinforces the role of storage technologies in enabling grid stability and renewable integration.

PotisEdge maintains wholly-owned subsidiaries across Sweden, the U.S., Australia, Singapore, and Hong Kong, with manufacturing bases located in Suzhou, China and Atlanta, the U.S.. It currently operates 31GWh of production capacity, targeting expansion to over 100GWh by 2028. PotisEdge combines cutting-edge innovation, operational excellence, and financial stability to serve C&I and utility-scale clients worldwide.