ABB has expanded its partnership with Applied Digital to supply power infrastructure for the company's second AI factory campus in North Dakota, United States. The collaboration delivers a new medium voltage electrical infrastructure for large-scale data centers, capable of handling the rapidly growing power needs of artificial intelligence workloads.

Polaris Forge 2 Campus Development

Applied Digital's new Polaris Forge 2 campus near Harwood, North Dakota, covers 300 MW of AI data centers, phased across two buildings scheduled to come online in 2026 and 2027. The campus is being designed for future expansion beyond its initial capacity.

The facility represents what the companies describe as one of the most advanced AI factory campuses in the world, featuring best-in-class efficiency and a projected industry-leading low PUE (Power Usage Effectiveness). Applied Digital recently reported that the initial 200 MW of capacity at the new Polaris Forge 2 campus will be leased to a US-based Hyperscaler.

“Polaris Forge 2 represents the next evolution of our AI factory model – beginning with two 150-megawatt buildings with the ability to scale - solidifying our position as a leader in delivering high-performance, energy-efficient AI infrastructure,” said Todd Gale, Chief Development Officer at Applied Digital.

Partnership Details and Technology

As part of this long-term partnership, the second order was booked in the fourth quarter of 2025. Financial details of the partnership were not disclosed by either company.

ABB will deliver low and medium-voltage electrical architecture for the campus. Both the new Polaris Forge 2 campus and the previously announced Polaris Forge 1 campus use ABB's innovative HiPerGuard medium voltage Uninterruptible Power Supply (UPS) technology and advanced medium voltage switchgear.

The partnership between ABB and Applied Digital was first announced in June 2025, initially supporting the design and development of Applied Digital's first 400 MW AI factory campus, Polaris Forge 1, located at Ellendale, North Dakota.

Technical Advantages and Innovation

Moving a data center's power architecture from low-voltage to medium-voltage using HiPerGuard technology provides several operational benefits. The system improves power density and energy efficiency while allowing data centers to scale in larger 25 MW blocks. This approach reduces cabling requirements and improves overall system reliability.

“The medium voltage architecture developed with Applied Digital is a big step forward for large-scale AI facilities,” said Massimiliano Cifalitti, ABB Smart Power President. “Working together closely from the start enabled both teams to identify opportunities to drive higher efficiency, performance and reliability, along with lower costs and faster time to market.”

The partnership introduces what the companies characterize as innovative new power architecture specifically designed for large-scale, AI-ready data centers. The 300 MW expansion at the Polaris Forge 2 Campus demonstrates, according to ABB, the speed and scalability of its global solutions.

Company Background

Applied Digital operates as a builder and operator of high-performance data centers. The company's partnership with ABB reflects what Todd Gale described as “Applied Digital's commitment to redefining what is possible in data center scale and performance.”

ABB positions itself as a global technology leader in electrification and automation, working to enable what it describes as a more sustainable and resource-efficient future. The company connects its engineering and digitalization expertise to help industries achieve high performance while becoming more efficient, productive, and sustainable. ABB operates under the motto “Engineered to Outrun.”

The company has over 140 years of operational history and employs around 110,000 people worldwide. ABB's shares are listed on the SIX Swiss Exchange under the symbol ABBN and on Nasdaq Stockholm under the symbol ABB.

“As AI reshapes data centers, ABB is working with leading digital infrastructure innovators to introduce a new generation of advanced power system solutions,” Cifalitti stated regarding the company's strategic approach to the evolving data center market.

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