Type of CHP system: Anaerobic digestion
Plant owner: “Energy from gras” is a joint project of two farmers Mr. Josef Priedl and Mr. Gerhard Eigner.
Status of plant: Commercial
Contractor details: CHP: 115 kW, gross efficiency 32, 8%, net efficiency approx. 30%
Power generation: Gas engine
Main fuel: Biogas
This plant uses amongst maize, sunflowers, different inter and winter crops, sudan gras silage.
Nominal capacities & efficiencies:
Gross electrical output: 0,115 MWe
Net electrical output: 0,078 MWe
Electrical efficiency, gross: 30 %
Overall efficiency, gross: 80 %
How is plant controlled: Continuous operation for 24 hours according to gas yield
Heat usage: Heating only
Fuel storage: The fuel storage has a size of 1700 m3
The biogas plant is owned by two farmer. It is a continuous fermenter system (fermenter 400 m3, second stage fermenter = storage 2700 m3).
The aim was to use crops for energy production as alternative to conventional crop growing and the use of set-aside areas of agricultural land.
Annual gas production: 480000
Gas quality: 51% methan, heating value: 5,1 kWh/m3
Electricity sale info: The feed in rate in Austria is regulated by law and depends on the type of biomass used and on the size of the plant.
Data collected and quality assured by: Austrian Energy Agency.
Contact person: Elvira Lutter