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Valmet to retrofit Finnish biopower plant automation

Valmet to retrofit Finnish biopower plant automation
The Alholmens Kraft biopower plant is located on the site of the UPM Pietarsaari mill in Pietarsaari, Western Finland (photo courtesy Valmet).

Finland-headed forest industry and energy technology major Valmet Oyj has announced that it has been selected to replace an existing third-party automation system with a Valmet DNA Automation System at Oy Alholmens Kraft Ab’s power plant unit AK1 in Pietarsaari, Finland.

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Operating on wood-based fuels, AK1 was completed in 1986 and has an electrical capacity of 35 MW and a thermal capacity of 150 MW. It runs on wood-based fuels.

Close cooperation between Alholmens Kraft and Valmet goes back for decades. One of the latest projects includes a Valmet DNA turbine automation retrofit on AK2 in 2022.

Our other power plant unit AK2, which is one of the world’s largest biomass-fired combined heat and power (CHP) plants, has been run reliably with the Valmet DNA since its startup in 2001. Now we want to have the same system for our AK1 unit, too. After the retrofit, we will have only one automation system throughout the entire plant, said Johannes Östman, Automation Engineer, Oy Alholmens Kraft Ab.

Valmet’s delivery scope will cover a Valmet DNA Automation System, including system hardware and software as well as installation and commissioning.

Having only one automation system makes support and future updates easier for the customer. Valmet has extensive experience and know-how in replacing other suppliers’ automation systems, said Tom Bäckman, Sales Manager, Automation Systems business line, Valmet.

The delivery, the value of which has not been disclosed, will be handed over to Alholmens Kraft in November 2023.

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