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Green Mountain and Hima Seafood have initiated a heat reuse project in Rjukan, Norway, combining data center operations with trout farming. Hima Seafood will utilize excess heat from Green Mountain's data center to warm its aquaculture systems, with cooled water returned to Green Mountain for cooling processes.

This closed-loop system, operational since autumn 2025, is currently testing at 1.75 MW capacity, with plans to scale to 8 MW. The initiative exemplifies circular economy benefits, aiming to reduce energy consumption and environmental impact while fostering regional value creation. The project launch was attended by key officials, including the Norwegian Minister of Digitalisation.