This biogas plant in Kaarßen, near Lüneburg, in Northern Germany is one of the biggest in the whole federal state of Lower-Saxony. The project had a total investment volume of 10 millions Euros, part of which was provided by capital investment companies. The plant has an annual energy production of 17,800 million kWh. The total of heat production is used for the plant itself as well as for an evaporation unit for producing high-quality fertilizers.
Type of plant: |
Fermentation of liquid manure & additional biomass |
Location: |
Amt Neuhaus, Germany |
Operator: |
Agrarenergie Kaarßen GmbH & Co. KG |
Constructor: |
Bioconstruct |
Operation start: |
November 2005 |
Mode: |
2 stage |
|
2 parallel steel fermeters combined with secondary concrete fermenter |
Temperature range: |
Mesophilic |
Main fermenters: |
2 x 5,600 m3 |
Secondary fermenter: |
1 x 2,780 m3 |
Final storage tanks: |
1 x 7,712 m3 |
|
2 x 5,470 m3 |
Feedstock: |
Cow manure (77 %) and maize (23 %) |
Annual amount: |
155,000 tons |
Use of gas: |
2 CHPs with 1,420 kW el each |
Tpye of CHP: |
GE Jenbacher |
Electrical output: |
20,000,000 kWh el |
|
supply for 5,000 households |
Thermal output: |
20,000,000 kWh |
|
equals 2 million l of heating oil |
Use of thermal energy |
Concentration/evaporisation system |
Special feature: |
Production of manure concentrate, use of entire heat |
|
Operated by private investor and managing directors |
Investment: |
9,550,000 million € |
Contruction changes: |
Extensions of feeder & storage |