Smart solutions as part of the district heating strategy in Lieto, Finland

The district heating plant built by Liedon Lämpö Oy, which produces district heating and industrial steam, was commissioned in October 2020. In connection with the new plant, also about one kilometer of district heating network line was built.

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The district heating plant built by Liedon Lämpö Oy, which produces district heating and industrial steam, was commissioned in October 2020. In connection with the new plant, also about one kilometer of district heating network line was built. Vexve’s valves together with Vexve’s smart underground control and monitoring solutions, guarantee the reliable operation of the district heating plant and the network.

Liedon Lämpö Oy produces and offers environmentally friendly district heating for the inhabitants of Lieto. The municipality is located near Turku, in the Southwest region of Finland. Liedon Lämpö has around 30 kilometers of district heating network and 147 customers. Their customers are mainly commercial and municipal properties and housing associations.

The new heating plant built in Luolakallio in 2020 produces district heating and industrial steam. With industrial steam, it is possible to achieve higher feed temperatures which are required in industrial processes. In the case of Lieto, the industrial steam produced by the plant is utilized by a pet food factory next to the plant, which needs it in its manufacturing processes. The heat generation capacity of the new plant is 10 megawatts, of which industrial steam accounts for about 3-4 megawatts. If needed, the steam is also used in district heating, because the network extends to the center of Lieto and the industrial area called Avanti.

“We started building a new district heating plant in May 2020 and commissioning took place during October 2020. Next year, we are planning to build a wood chip plant on the adjacent plot, which will utilize the automation systems of this district heating plant. After building the new plant, the main production of district heating will be transferred to Luolakallio,” says Anne Ahtiainen, CEO of Liedon Lämpö.

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