Hydro Powers Up Green Energy Transition at Alunorte Refinery with New Electric Boilers

Hydro commissions two new electric boilers at its Alunorte alumina refinery in Brazil. The move will reduce CO2 emissions by 550,000 tonnes annually.
Norsk Hydro

Norsk Hydro, a leading global aluminum producer, has announced the commissioning of two new electric boilers at its Alunorte alumina refinery in Pará, Brazil. This significant step is projected to slash the refinery's CO2 emissions by an impressive 550,000 tonnes annually, marking a major milestone in Hydro's decarbonization strategy.

Renewable Energy Powering the Future

These cutting-edge electric boilers will be fueled by renewable energy sources, thanks to long-term power purchase agreements (PPAs) secured by Alunorte with the Mendubim solar park and the Ventos de Sao Zacarias wind farm. This strategic move away from fossil fuels underscores Hydro's commitment to sustainable operations and environmental stewardship.

Phasing Out Coal and Fuel Oil

The newly installed boilers replace two outdated coal-fired units, building upon the successful installation of the first electric boiler in 2022.  Hydro has invested NOK 580 million (approximately $51 million USD) in this transition from coal to renewable energy at Alunorte. This investment demonstrates Hydro's dedication to achieving its ambitious target of reducing the refinery's carbon emissions by up to 70% by 2030.  Furthermore, Hydro transitioned to natural gas at Alunorte in August, following a $240 million investment to replace fuel oil. The company plans to eventually power all of the facility's calciners with natural gas, further minimizing its environmental footprint.

“Alunorte is already among the most energy-efficient refineries and this project is moving us even further in our decarbonisation efforts,” said Carlos Neves, Hydro’s vice-president for bauxite and alumina operations.  This statement highlights the company's proactive approach to sustainability and its leadership in the aluminum industry's green energy transition.

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