MADRID, SPAIN – SEPTEMBER 5, 2025 – HiTHIUM, a globally recognized provider of long-duration energy storage solutions, has entered into a master supply agreement with Bertel O. Steen Power Solutions (BOS Power) to deliver 3GWh of battery energy storage systems (BESS) for projects throughout Denmark, Sweden, Finland, and Norway. The systems will be deployed through 2027.

The partnership includes utility-scale projects with capacities starting from 30MWh. HiTHIUM will supply its DC block portfolio, which includes the ∞Power 6.25MWh 2h/4h BESS and the ∞Block 5MWh BESS.

As part of the agreement, HiTHIUM will offer technical training to BOS Power and certify the company as an authorized service partner. This move aims to strengthen local service capabilities and improve operational efficiency for end users. BOS Power brings extensive experience and investor networks from its core operations to deliver scalable energy solutions across market segments.

HiTHIUM has reinforced its industry leadership through continued innovation in long-duration energy storage and sodium-ion battery technologies. Products such as the ∞Power 6.25MWh 4h BESS and the sodium-ion-based ∞Cell N162Ah are among its key offerings. The company has also commenced mass production and delivery of next-generation cells including the ∞Cell 1175Ah and 587Ah, raising industry standards for energy density, cycle life, and reliability.

Pilot projects already deployed in multiple regions have demonstrated HiTHIUM’s capability in supporting grid stability, peak shaving, and renewable energy integration.

The first project under this agreement is currently under construction in Denmark, representing HiTHIUM’s debut in the Nordic energy storage market.

Kelson Li, Senior Director of Sales for DACH, Northern & Eastern Europe at HiTHIUM, commented: “Teaming up with BOS Power expands our reach in Northern Europe and supports the shift toward a more renewable and flexible grid. Combining our storage technology with BOS Power’s integration expertise allows us to meet local renewable energy demand and drive green transition initiatives.”

Kim Strate Kiegstad, Head of Energy Storage at BOS Power, added: “This agreement underscores our dedication to delivering high-quality, large-scale energy storage throughout Northern Europe. With HiTHIUM’s advanced technology and our EPC and integration capabilities, we are ideally positioned to help customers build resilient and sustainable energy infrastructure.”

This collaboration highlights HiTHIUM’s strategic effort to accelerate the global energy transition through localized partnerships and expanded international presence. By aligning with established industry players like BOS Power, HiTHIUM enhances its ability to offer innovative energy solutions and robust customer support worldwide.

Since its founding in 2019, HiTHIUM has emerged as a major player in the energy storage sector, emphasizing innovation, safety, and global service. The company reached 100GWh in cumulative shipments and climbed to a top-two global ranking in the first half of 2025.

About BOS Power
BOS Power is a leading Nordic provider of energy storage, emergency power, and marine propulsion solutions. Operating as a turnkey EPC partner, the company manages projects from design and engineering to commissioning and service. With facilities and service hubs across the Nordic region, BOS Power ensures reliable performance for critical sectors including energy networks, data centers, healthcare, and marine applications. As part of the Bertel O. Steen Group, it combines financial stability with deep industry experience to promote a secure and sustainable energy future.