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Finspångs Tekniska Verk first to use Againity's ORC in a waste-to-heat plant

In Sweden, municipality-owned Finspångs Tekniska Verk AB (FTV) is investing in an Againty Organic Rankine Cycle (ORC) turbine to generate electricity at its 10 MWth waste-fired district heat plant. The installation is pioneering in energy recycling from waste making FTV the owner of Sweden's first waste-fired cogeneration plant with a turbine under 0.5 MW of electrical power.

In Sweden, municipality-owned Finspångs Tekniska Verk AB (FTV) is investing in an Againty Organic Rankine Cycle (ORC) turbine to generate electricity at its 10 MWth waste-fired district heat plant. The installation is pioneering in energy recycling from waste making FTV the owner of Sweden’s first waste-fired cogeneration plant with a turbine under 0.5 MW of electrical power (photo courtesy Againity).

Owned by the municipality of Finspång, energy, water, and waste management utility Finspångs Tekniska Verk (FTV) provides collection and treatment services within the municipality. The company operates a wastewater treatment plant (WWTP), recycling centre, hydropower stations, and heat plants including the main district heating plant that provides heat to the town of Finspång.

This heating plant houses four boiler units: a 10 MWth municipal solid waste (MSW) fired baseload hot water boiler that operates year-round, a 12 MWth woodchip boiler with 2 MW flue gas condenser that operates during the heating season (October to April) and two 10 MWth bio-oil fired peak-load boilers for really cold weather.

FTV is now investing in an ORC turbine from local company Againity AB to generate electricity at the existing waste-fired boiler plant making it the first waste-fired cogeneration plant with a turbine under 0.5 MW of electrical power.

The goal of the new ORC turbine is to generate electricity using the excess energy generated during waste incineration and the new installation is expected to contribute to cover about 60 percent of our self-consumption of electricity, said Peter Selleby, Head of Energy at Finspångs Tekniska Verk.

The ORC turbine will use hot water from the waste boiler and has a maximum capacity of 450 kW of electricity, making the plant the first small-scale cogeneration plant in Östergötland. The investment entails significantly reduced electricity costs and adds to FTV’s existing portfolio of renewable electricity generation plants.

We are really excited about this project, which involves both an installation here at home in Östergötland and that we are simultaneously entering a new market segment with waste-fired boilers. We are grateful to FTV for this opportunity to upgrade Finspång’s heat plant into a combined heat and power (CHP) plant, said David Frykerås, CEO of Againity.

Nineteenth ORC turbine

The robust turbine system has been developed and patented by the Norrköping-based company Againity. The company has manufactured and offered modular-based ORC systems for electricity generation from low-value heat since 2013.

The ORC turbine installed in Finspång will be the 19th manufactured by Againity. In addition to the boiler in Finspång, another five heat boilers around Sweden are currently being retrofitted with Againity’s ORC turbines.

David Frykerås, CEO and founder of Againity AB.

David Frykerås, CEO and founder of the Swedish ORC turbine
technology developer and provider Againity AB.

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