Services provided

Authorisation planning
Implementation planning 
General contracting 
Initial operation / trial run

Type of plant

Dry fermentation

Location

Wietzen, Kreis Nienburg, Niedersachsen, Germany

Initial operation

IV. quarter 2006

Operation process

2-stage - two fermenters with parallel feeding and additional secondary fermenter

Temperature range

mesophilic

Fermenter

2 x 2.010 m³

Final storage tank

1 x 2.430 m³

Feedstock

Maize silage
Grass silage

Total

Gas utilisation

Type 
Power electr.

1 x gas-CHP
500 kW_el

Energy production

electrical


thermal

4.000.000 kWh_el
-> requirements of 1000 households
4.000.000 kWh
-> equivalent to 400.000 l heating oil

Use of thermal energy

Heating of sheds and several houses 
Supply of communal estates

Special feature

• exclusively a fermentation of energy crops
• dry fermentation