Wärtsilä Biopower Oy has been awarded a nine million euro turnkey contract to supply a biomass-fuelled combined heat and power plant to the community of Trollhättan in Sweden. It will have a thermal output of 17 MWth for district heating, and an electrical output of 3.5 MWe.
The plant, to be named KVV Lextorp, has been contracted by Trollhättan Energi AB, a municipal company, and is due to begin supplying heat in the fourth quarter of 2005, and to be handed over in the first quarter 2006. Trollhättan is some 70 km northeast of Gothenburg.
The turnkey contract with Wärtsilä excludes civil works. The plant will comprise a Wärtsilä BioPower 5 DH plant and will burn wood waste from the local forestry industry.
“The new plant is situated on south side of the town and will free capacity from the main production plant on the north side of the town thereby allowing us to expand our district heating network on the west side of the river,” said Mats Johansson, Managing Director of Trollhättan Energi. In 2003 Trollhättan Energi sold 275 GWh of heat to over 1000 connected customers.
Wärtsilä’s biomass-fuelled plants are clean and efficient. They are a practical solution for the need for renewable energy supplies with minimum environmental impact. They incorporate patented Wärtsilä BioGrate combustion technology to burn biofuels with high combustion efficiency and low NOx and CO emissions.
The BioPower plant operates on a closed steam-feed water system separate from the district heating water system. Steam is generated in an efficient water-tube boiler, and supplied to a back-pressure steam turbine driving an alternator. Turbine exhaust steam then heats the district heating water, and the condensate is returned as feed water to the boiler.
BioPower plants are highly modular, being based on well-proven standardised components with a conservative design approach. The plants can thus be delivered and installed quickly. Their proven technology results in a reliable, durable plant. They are also highly automated, enabling unmanned operation.
Notes to the editor:
Wärtsilä is The Ship Power Supplier for builders, owners and operators of vessels and offshore installations. We are the only company with a global service network to take complete care of customers’ ship machinery at every lifecycle stage. Wärtsilä is a leading provider of power plants, operation and lifetime care services in decentralized power generation. The company provides power plants for baseload, peaking, and combined heat and power applications. Wärtsilä also supplies complete solutions for mechanical drive applications onshore and offshore. The product range comprises gas- and oil-fired power plants with outputs from 1 MW to 300 MW, biopower plants with outputs from 1 to 5 MWe and biothermal plants for 3–17 MWth.
Wärtsilä’s installed base represents approximately 130,000 MW worldwide.
The company supplied more than 1,100 MW of power generation equipment for power plants around the world in 2003.
Wärtsilä is headquartered in Helsinki with representatives in more than 60 countries.
For more information on Wärtsilä, visit the website at www.wartsila.com
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