en.Wedoany.com Reported - Valmet has received an order from Gren Tartu to deliver a flue gas condenser and heat pump for the biomass combined heat and power plant in Tartu, Estonia. This solution will increase the heat supply to the local district heating network.
The new equipment is used to recover waste heat from the plant's flue gas and raise its temperature to a level suitable for district heating using a heat pump. This solution can add over 10 megawatts of additional heat supply to the district heating network, enabling the plant to produce more district heat while reducing fuel consumption and emissions.
Margus Raud, Head of Technology Development at Gren Tartu, stated that increasing heat production capacity is a top priority to meet customer needs, and utilizing waste heat through an environmentally sustainable solution is the most effective way to achieve growth. The company has a long history of successful cooperation with Valmet, whose experience and expertise provide reliable partner support.
Lari-Matti Kuvaja, Director of Environmental Solutions at Valmet, said that this project is a typical example of how flue gas heat recovery and heat pumps can significantly improve plant energy efficiency and enhance heating security. Valmet is pleased to support Gren Tartu with an engineering solution that captures and upgrades low-temperature heat for district heating.
The order has been booked in Valmet's second quarter 2026 order intake, and the order value is not disclosed.
The flue gas condenser and heat pump in the delivery scope will be used to improve the heat recovery efficiency of Gren Tartu's combined heat and power plant in Tartu. This solution efficiently recovers low-temperature heat from the flue gas and raises it to a temperature level suitable for district heating, thereby improving the plant's overall efficiency, reducing fuel consumption, and lowering emissions.
The customer, Gren, is a Nordic energy solutions infrastructure company, operating in district heating and cooling, renewable energy solutions, and industrial energy services. Gren operates in the Baltic countries and the United Kingdom, with a production capacity of 1,500 megawatts and annual energy sales of 3.0 terawatt-hours, with over 95% of its energy coming from renewable and recovered fuels. In Estonia, the company focuses on developing sustainable energy solutions that meet the needs of local communities. Gren Tartu provides district heating to offices, public buildings, industrial enterprises, hospitals, housing associations, and individual homes, and primarily offers district cooling services to corporate customers.
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