North Sweden Cleantech

Dåva Cogeneration Plants

Dåva CHP is one of the world’s most energy efficient and environmentally friendly plants with waste as its main fuel. Here we produce district heating and electricity from sorted waste and residues from the forest industry.

The two CHP plants at Dåvaområdet is the heart of Umeå district heating supply and the north of Sweden’s largest power plant based on solid fuels. The production takes place in a manner that is sensitive to the environment and minimizes emissions by advanced filtering systems. Dåva cogeneration plant is located at Dåvamyrans industrial landfill, about 9 km northeast of Umeå Centre. The owner of the plant is the municipal company Umeå Energi.

Dåva 1 opened in 2000 and is one of the world’s most energy efficient and environmentally friendly facilities with waste as its main fuel. The plant produces electricity, district heating and district cooling of the sorted waste and residues from the forest industry. Production takes place in a way that is gentle on the environment and minimizes emissions through a highly advanced filtration system. In addition, heat is recovered from the flue gases that are created. The heat produced in Dåva 1 can heat about 18 000 average homes for a whole year. Gross production of electricity is sufficient to supply approximately 6,500 homes with electricity.

Ten years later, in 2010 Dåva 2 was built to meet the increased demand for district heating. Umeå is growing rapidly at the same time as district heating has become the natural first choice for new buildings, both large and small. Another reason for the focus on Dåva 2 was the environment. The new facility dramatically reduced the amount of oil in Umeå Energi´s fuel mix, and with the advent of the new plant, both environmental performance as well as security of supply in the overall heat production was improved. Dåva 2 use biofuels like; logging residues, wood chips, bark, sawdust and peat as fuel. These fuels are mainly from the region, contributing to employment in the forestry and transport industry in the North of Sweden. Dåva 2 is largest environmental investment in Umeå’s history.

Every year, the facility receives numerous visits. Industry workers, ministers and international delegations come here to learn more about the facility and take advantage of our unique expertise in the area of waste.

Facts Dåva 1
Starting year: Year 2000.
Effect: 65 MW (55 MW district heating + electricity 10 MW).
Fuels: Household and industrial waste, forest residues.
Incineration capacity: 20 tons / h (equivalent to approximately 65 MW).
Degree of purification: Acidified gases 99.5 percent. Particle-bound contaminants 99.5 percent.

Facts Dåva 2 
Starting year: 2010. 
Effect: 105 MW (75 MW district heating + electricity 30 MW). 
Fuels: Biofuel. 
Type of boiler: Fluid Bed Boiler. 
Boiler efficiency: 88 to 89 percent. 
Overall efficiency: 95 percent (including condensation).

Town: Umeå
Find us: Dåva Energiväg 10
Website: (Swedish)
Visiting: All year
Duration: 1,5-2 hours
Languages: Swedish & English

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