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Norsk Hydro to Build the Karmøy Technology Pilot

Total costs are estimated at NOK 4,3 billion, consisting of net project costs of NOK 2,7 billion and around NOK 1,6 billion in support from Enova. First metal from the technology pilot is expected during the second half of 2017. With the pilot project, Hydro aims to industrialize the world’s most climate and energy efficient aluminium electrolysis technology. The ambition is to reduce energy consumption by around 15 %/kg aluminium produced compared to the world average, with the lowest CO2 footprint in the world. In addition, the implementation of technology spin-offs to existing production lines are expected to improve productivity in the current primary aluminium portfolio, contributing to Hydro’s capacity creep ambition of an additional 200 000 t/a by 2025. The technology pilot is designed with an annual production capacity of approximately 75 000 t, consisting of 48 cells with 12,3 kWh/kg HAL4e technology and 12 cells with 11,5 –11,8 kWh/kg HAL4e ultra technology. Hydro’s investment in the Karmøy technology pilot is the largest, single investment in Norwegian mainland industry outside the oil and gas sector since Hydro expanded the Sunndal aluminium plant in 2002–2004.


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