2008-09: Ieper Belgium
Turnkey biogas plant for treatment of animal slurry and industrial waste of a total of 120,000 tons/yearSize of digestion tanks: 8,000 m³ (primary digester), 2,400 m³ (secondary digester) Engines: 3 x Jenbacher 320 (3.2 MW_e)

2006-07: Huckabay Ridge, Texas, USA
Complete biogas plant with biogas converted into natural gas and supplied to the natural gas distribution network. Size of digesters: 28,000 m³
Maximum manure capacity: 650,000 tons/year

2006-07: Veendam Biogas, Holland
Supply of equipment for biogas plant for treatment of manure and energy crops. Including gas system and SCADA system. Size of digestion tank: 4,000 m^3. Engines: 5 x Jenbacher 320 (5.2 MW_e in total)

2006-07: Faculty of Agricultral Sciences, University of Aarhus, Foulum, Denmark
Complete full-scale biogas plant including gas transmission line and gas engine. In addition, delivery of a biogas test plant with 4 small biogas digesters. Size of digestion tank: Full-scale plant 1,200 m³,
test plant 2 x 30 m³ and 2 x 10 m³. Engine: Jenbacher 312, 625 kW

2006: Quarnbek Biogas Plant, Kiel, Germany
Complete biogas plant for manure and energy crops.
Size of digestion tank: 1.500 m³ (primary digester), 3.000 m³ (secondary digester)
Engine: Deutz 530 kW

2005-06: Pilegaardens Biogasanlæg, Kerteminde, Denmark
Rebuilding and upgrading of existing biogas plant.
Size of digestion tank: 3 x 200 m3
Engine: Jenbacher 312

2005-06: Bånlev Biogas, Aarhus, Denmark
Rebuilding and operation of existing biogas plant.

2005: Emerald Irish Pork, Brandenburg, Germany
Complete biogas plant for pig manure and energy crops. Utilisation of gas in existing CHP
(2*250 kW_e Deutz) Size of digestion tank: 2,000 m3

2005: Norswiss Dairy, Wisconsin, USA
Complete farm biogas plant with CHP module.
Size of digestion tank: 2,775 m³
Engine: Jenbacher

2005: Wild Rose Dairy, Wisconsin, USA
Complete farm biogas plant with CHP module.
Size of digestion tank: 2,775 m³
Engine: Waukesha 775 kW_e

2004: Five Star, Wisconsin, USA
Complete farm biogas plant with CHP module.
Size of digestion tank: 2,775 m³
Engine: Waukesha 775 kW_e

2002: Rønge Biogasanlæg, Ulstrup, Denmark
Complete containerized farm biogas plant with CHP module.
Size of digestion tank: 1,300 m³
Engine: Jenbacher 511 kW

2002: Skovbækgård biogas, Holsted, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 1,200 m³
Engine: Deutz 626 kW

2002: Rønnovsholm Biogas, Hjørring, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 1,100 m³
Engine: Deutz 626 kW

2002: Refsgård Biogas, Volling, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 400 m³
Engine: MTU 240 kW

2002: Baunsgaard Biogas , Lihme, Denmark
Complete farm biogas plant with CHP module. Pipeline transport of manure.
Size of digestion tank: 1,000 m³
Engine: Deutz 469 kW

2001: Alviksgårdens Biogas, Luleå, Sweden
Complete farm biogas plant with CHP module and heat treatment equipment for slaughterhouse waste.
Size of digestion tank: 1,500 m³
Engine: Deutz 626 kW

2001: Lynggaard Biogas , Præstø, Denmark
Complete farm biogas plant with CHP module and decanter separator.
Size of digestion tank: 1,100 m³
Engine: Jenbacher 625 kW

2001: Rybjerg Biogas, Roslev, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 800 m³
Engine: Jenbacher 511 kW

2001: Skærbæk Biogasanlæg, Skærbæk, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: m³
Engine: Jenbacher 500 kW

2001: Allégården Biogas, Odense, Denmark
Complete farm biogas plant with CHP module.
Engine: Jenbacher 240 kW

2001: Øksenvad Biogasanlæg, Skive, Denmark
Complete farm biogas plant with CHP module.
Engine: MTU 240 kW

2001: Hjøllund Biogas, Ringkøbing, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 800 m³
Engine: Jenbacher 511 kW

2001: Lundgård Biogas, Rødekro, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 600 m³
Engine: Jenbacher 330 kW

2000: Tinggaard Biogas, Bedsted, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 600 m³
Engine: Jenbacher 300 kW

2000: Nimtofte Biogasanlæg, Nimtofte, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 600 m³
Engine: MAN 340 kW

2000: Bording Biogasanlæg, Bording, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 600 m³
Engine: MAN 400 kW - dual fuel

2000: Uhrenholtgaard Biogasanlæg, Hadsund, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 600 m³
Engine: MAN 350 kW - dual fuel

2000: Nordjysk Minkfoder, Hvims, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 800 m³
Engine: Jenbacher 511 kW

2001: Hegndal Biogasanlæg, Sdr. Vium, Denmark
Complete farm biogas plant with CHP module. Equipped with decanter separator and evaporator for full separation in 2001.
Size of digestion tank: 800 m³
Engine: MAN 400 kW - dual fuel + Jenbacher 223 kW

1999: Spøttrup Biogasanlæg, Spøttrup, Denmark
Complete farm biogas plant with CHP module.
Engine: Caterpillar 90 kW

1998: Fly Biogas, Skive, Denmark
Complete farm biogas plant with CHP module.
Engine: Caterpillar

1998: Brunshøjgaard Biogasanlæg, Boddum, Denmark
Complete farm biogas plant with CHP module.
Size of digestion tank: 600 m³

1996-97: Studsgård Biogasanlæg, Studsgård, Denmark
Complete biogas plant, established with DDH as a consultant.
Size of digestion tank: 2 x 3,000 m³

1992-93: Lemvig Kraftvarme A/S, Denmark
Biogas fired CHP station, building, chimney, gas compression plant and SCADA system.
Engine: Ulstein Bergen KVGS 12G (2.0 MW)

1993: Hashøj Kraftvarmeforsyning A.m.b.a., Denmark
Natural gas/biogas fired CHP station, building, complete district heating central with gas boiler, main pumps and chimney, 600 m³ heat storage tank and SCADA system.
Engine: Ulstein Bergen KVGS 12G (2.0 MW) + Caterpillar 3512 SITA (0.8 MW)