biogas potential in brandenburg (germany)

Fac. of Landscape Use and Nature Conversation

Friedrich-Ebert-Str. 28Germany - 16225

Eberswalde

Dec-06

BBN-Meeting 1.12. 2006; Eberswalde / Germany

Biogas Potential in Brandenburg (Germany)

Dipl.-Geoökol. Sybille Brozio

Severine Laufer, Prof. H.-P. Piorr, D. Müller & F. Torkler,

University of Applied Sciences Eberswalde

December 2006



Eberswalde

Dec-06


Situation: Biogas plants

Biogas – Plants in Brandenburg

(October 2006)agricultural plantwaste plant

Arable land

National unitcounties of Brandenburg

Planned or under construction:> 70 biogas plants



Eberswalde

Dec-06


Method: biomass-yield-model

Working groupPIORR (1998)



Eberswalde

Dec-06





Eberswalde

Dec-06


Regional specific crop rotations (dominant crops of 7 years)

Yield of crops with influences of previous crop

Yields of byproducts (straw and leaves), roots and harvesting residuals

Total biomass per hectare / spatial unit




Eberswalde

Dec-06


Method: Estimation of bioenergy

Bioenergy per hectare / spatial unit Scenarios per product lines

(biogas, bio ethanol, bio diesel)



Eberswalde

Dec-06


Method: Material & biogas content

1) Silage of

Winter rye: 325 kWel / tonsMaize: 335 kWel / tons

- available for biogas production: 50 % of potential yield,- 10 % loss of material during silage process

2) Statistics of livestock farming: livestock conversion to amount of liquid manure:

liquid manure of cattle: 42 kWel / tonsliquid manure of pigs: 37 kWel / tons



Eberswalde

Dec-06


Biogas Potential: Silage based

Brandenburg

• Efficiency: 32%

• Working hours: 7.500 per year

• Scaling of the map: size of power plants

• On municipality level

Based on:

• Silage of maize and winter rye (whole plant)



Eberswalde

Dec-06


Biogas Potential: Silage + liquid manure

Brandenburg

• Efficiency: 32%

• Working hours: 7.500 per year

• 300 kWel – plant

• On county level

Based on:

• Silage of maize and winter rye

• Liquid manure

1 – 20 plants21 – 30 plants31 – 40 plants41 – 50 plants> 50 plants



Eberswalde

Dec-06


Biogas Potential: Amount of Plants

BarnimUckermark

Brandenburg

42.213 ha150.760 ha

12,3 Mio. ha

National unit Arable land

17 1062 37

523314

Biogas plants300 kWel 500 kWel

86,6343,1

2.364,2

Potential yield1.000 t Silage

per year



Eberswalde

Dec-06


Straw for Bio-ethanol Potential in Brandenburg (Germany)

Prof. H.-P. Piorr, Severine Laufer, Dipl.-Geoökol. Sybille Brozio


December 2006



Eberswalde

Dec-06


New applications for straw

cellulose ethanol process developed by IOGEN to convert straw into Bio-ethanol

Search for potential bio-ethanol facility sites in Germany

Background: straw plays a secondary role in todays agriculture

less important for traditional applications like litter for livestock

Liquid manure husbandry without straw for litter

less livestock on farms

Dominance of cereal cropping with up to 70% of total acreage

Lots of unused resources!



Eberswalde

Dec-06


• Application of own biomass yield model

• With Indices of straw – grain ratio

• Only 50% of total straw biomass is available for bioenergy applications

• The rest is essential for soil fertility and animal litter



Eberswalde

Dec-06


Cereal straw potential Germany

• annually available Straw yield potential in dt / ha for Germany (50% of total potential)

• conventional farming

• Moisture content: 14%



Eberswalde

Dec-06


Cereal straw potential in selected federal states

Acreage [ha]

Straw production (total)

[t/a 14%moisture]

Available straw(50% of total)

[t/a 14% moisture]

Lower Saxony 2.115.505

7.715.160

3.857.580

Brandenburg 1.233.987

3.777.100

1.888.550

Mecklenburg-Vorpommern 1.255.316

4.402.940

2.201.470

Saxony 905.701

3.202.640

1.601.320

Saxony-Anhalt 1.201.343

4.275.960

2.137.980

Thuringia 794.766

2.822.820

1.411.410



Eberswalde

Dec-06


• annually available Straw amounts in t per year for Germany on the county level (50% of total potential)

• conventional farming

• Moisture content: 14%

validation of data by comparision with statistical data on county level

Cereal straw potential Germany



Eberswalde

Dec-06


Straw potential Poland

• Additional evaluation of straw potential in the border region to Poland

• Based on statistics

• Highest productivity in Wielkopolskie (2.209.925,82 t/a) and Dolnośląskie (1.239.614,46 t/a) 50% of total production

• But more detailed data required (municipality level)



Eberswalde

Dec-06


Scenarios for site in Schwedt

• 800.000 t straw required annually

• Scenarios for rye potentials for existing ethanol plant Schwedt (600.000 t/a winter rye)

100% rye from the region for Schwedt

„Energyrye“: 65% rye from the region for Schwedt, 35% for food & fodder

25% decrease (droughts etc.)

50% decrease (droughts etc.)



Eberswalde

Dec-06


Transport and acreage

Scenarios

Maximum transport

distance to Schwedt

Annually required acreage for 600.000

t winter rye

1. Region 600.000 t 89,0 km 102.337 ha

2. Availability „Energyrye“

112,2 km156.056 ha

3. Decrease 25 % 130,1 km 205.093 ha

4. Decrease 50 % 153,1 km 269.070 ha

• Based on the average part of rye production in the total cereal production 1,3 Mill tonns of straw are available in this area

• For a demand of 800.000 t / a straw the transport distance would be reduced from 89 km to 55 km

• More detailed calculations are required if the location Schwedt would be considered for a plant (all cereal straw, rape straw, maize straw...)



Eberswalde

Dec-06


Straw for Bio-ethanol Potential in Brandenburg (Germany)

Prof. H.-P. Piorr, Severine Laufer, Dipl.-Geoökol. Sybille Brozio


December 2006

biogas potential in brandenburg (germany)

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