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Aalborg Energie Technik a/s (AET) is a leading, independent engineering and contracting company supplying biomass-fired boiler plants, power plants and combined heat and power plants (CHP) in the size range of 25 to 170 MWth.

The business comprises design, engineering, delivery and service of plants fired with all forms of biomass. The well-proven AET Biomass Boiler and AET Combustion System are based on more than 30 years of hands-on experience with industrial processes, steam generation and biomass combustion.


The company has a well-known and recognised reputation for supplying biomass-fired boilers and plants with exceptionally high efficiencies, high availabilities, high fuel flexibility and low emissions. Moreover, with very low maintenance costs, the AET biomass-fired plants ensure you, as an investor, a viable business case.


Examples of high-performing AET biomass-fired plants:

  Efficiency Availability
Biomass Boiler Plants 91 - 94% 8400 - 8550 hours/year
Biomass Cogeneration Plants 45 - 105% (net) 8300 - 8500 hours/year
Biomass Power Plants 28 - 38% (net) 8300 - 8500 hours/year

Examples of different biomass fuels in plants provided by AET:

Clean wood: PowerCrop-Russi (IT), AKUO-CBN (FR), ENGIE COFELY-Biolacq (FR)ENGIE COFELY-BES VSG (FR)ENGIE COFELY-Orleans (FR), ENGIE COFELY-BCN (FR)Western Wood E.P. (UK), Linz Mitte (AT)
Wood, by-products: Rothes CoRDe Ltd (UK)
Waste wood, dust: Solvay-Rheinberg (DE), Tilbury Green Power (UK), FunderMax (AT), Swiss Krono (DE), Pfleiderer-Gütersloh (DE)
Wood, Meat and Bone Meal
(MBM), straw, poultry litter:
JG Pears (UK), Zignago Power (IT), EPRL-Fibrogen (UK), EPRL-Fibropower (UK), Slagelse (DK)
Coal to biomass conversion: Østkraft (DK)Verdo-Randers (DK), Boehringer Ingelheim (DE)
New Managing Director in AET
AET is Pleased to Announce New CEO in AET as of August 1st 2019. Read more…
Hans Erik Askou, new member of the board
Hans Erik Askou was recently appointed as member of the board for AET.  Read more…
The Solvay plant in Rheinberg
AET secures order for biomass-fired boiler plant at Solvay, Germany. Read more…
The turnkey biomass-fired CHP plant for Akuo Energy
AET hands over turnkey biomass-fired CHP plant in France. Read more…
Video from Cofely GDF SUEZ: The BCN biomass CHP plant, one of the largest in France
Video from Cofely GDF SUEZ: The BCN biomass CHP plant, one of the largest in France.
Watch Video
Biomass - a renewable energy source
Biomass - A Renewable Energy Source. Testimonials from customers about biomass fired plants supplied by AET.
Watch Video
Construction of the Cofely - BCN CHP Plant
This video follows the construction of the Cofely CHP Plant and explains about the process of cogeneration.
Watch Video
Zignago Power s.r.l.–successfully producing Green Energy in Italy
The 49 MW Zignago Biomass power plant in Italy, owned and managed by Zignago Power s.r.l., belonging to the Marzotto family empire, has since its installation in 2013 been running with a very high availability (98,8%). The plant utilises wood residues and agricultural waste such as straw, mischantus and maize. >Read more
Zignago Power s.r.l.–successfully producing Green Energy in Italy
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  • Aalborg Energie Technik a/s
  • Alfred Nobels Vej 21 F
  • 9220 Aalborg East, Denmark
  • Tel +45 96 32 86 00
  • aet@aet-biomass.com