STACK Infrastructure has successfully implemented advanced biofuel HVO100 (Hydrotreated Vegetable Oil) as a standby power source at its new data center on the OSL04 campus in Holtskogen, Oslo, Norway. This initiative marks a significant step toward sustainable energy solutions in the data center industry.
After rigorous testing, STACK has replaced traditional fossil fuel-based diesel with HVO100, which is touted as the purest form of Hydrotreated Vegetable Oil. HVO is derived from vegetable oils or used cooking oils, resulting in considerably lower emissions compared to conventional diesel fuel.
Geir Vistung, manager of STACK’s OSL04 Campus, expressed pride in the company’s commitment to green initiatives in Norway. “Our heat reuse program in Oslo is award-winning, we harvest rainwater to support our cooling systems at several of our data center campuses, and the use of HVO100 is yet another example of industry-leading innovation,” he stated.
According to STACK, using 1,000 liters of HVO100 results in the emission of just 195 kg of carbon dioxide, a stark contrast to the 3,600 kg emitted by the same volume of regular diesel. Research from Neste indicates that HVO100 also produces approximately 33% fewer fine particles, 9% fewer nitrogen oxides, 30% fewer hydrocarbons, and 24% less carbon monoxide than traditional diesel, along with reduced levels of polyaromatic hydrocarbons. Notably, lower smoke and soot emissions were recorded when using HVO.
STACK’s latest facility at the OSL04 campus is part of a broader expansion strategy that includes two additional data centers in Oslo, which together add 18 MW to STACK’s capacity in Norway. The company is also developing a 72 MW campus in Copenhagen and an 18 MW campus in Stockholm as part of its Nordic expansion.
With global data center electricity consumption projected to double in the coming years—potentially reaching 1,000 TWh by 2026, according to the International Energy Agency—energy-efficient solutions are increasingly critical. The cooling demands of data centers, particularly in the age of AI and high-performance computing, necessitate innovative approaches to energy management. The cold climate and favorable costs in Norway and other Nordic countries have made them attractive locations for data center investments, as noted by the Nordic Council of Ministers.
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