Table 3 Scenario description

A1 to A4: 0% to 100% DH

206,015 to 341,690

7,518 to 15,169 MWh_th

0 to 2.8% wood forest

DH is possible only to the municipality of St. Ruprecht up to unlimited DH.

72.1% to 79.5% grass_meadow

8,505 to 12,880 MWh_el

62.3% to 74.4% grass_agr.land

37.6% to 44.1% manure

100% biowaste

B1: Location 3 exclusion

241,695

9,596 MWh_th

1.7% wood forest

Mortantsch was not considered in the PNS structure.

7,573 MWh_el

42.5% grass_meadow

31.7% grass_agr.land

23.4% manure

100% biowaste

C1: Higher natural gas price

272,010

11,525 MWh_th

2.1% wood forest

Assessment of the price results in no natural gas usage from ELIN.

11,542 MWh_el

72.5% grass_meadow

62.3% grass_agr.land

43.2% manure

100% biowaste

C2: Higher biogas feed-in tariff

290,130

9,658 MWh_th

2.8% wood forest

Assessment of the biogas feed-in tariff that results in biogas upgrading → feed-in tariff to the grid.

8,011 MWh_el

93.4% grass_meadow

16,164 MWh (upgraded biogas)

87.9% grass_agr.land

45.4% manure

100% biowaste

D1: No tariffs

251,634

12,893 MWh_th

4.2% wood forest

Biogas feed-in and electricity tariffs obtain regular market prices.

11,030 MWh_el

41.4% grass_meadow

31.4% grass_agr.land

10.5% manure

100% biowaste

D2: No special electricity feed-in tariffs

267,126

9,769 MWh_th

4.2% wood forest

Electricity tariffs obtain the regular electricity market price.

6,000 MWh_el

60.3% grass_meadow,

16,164 MW (upgraded biogas)

39.5% grass_agr.land,

22.2% manure

100% biowaste

D3 to D4: 60% to 100% electricity tariffs reduction

16,780 to 30,208

2,156 to 3,649 MWh_th

0% to 0.8% wood forest

Electricity tariffs are reduced by 60% to 100%.

1,200 MWh_el

59.6% to 60.1% grass_meadow

14,617 to 16,164 MW (upgraded biogas)

44.1% grass_agr.land

21.9% to 22.2% manure

100% biowaste

E1: No forest area available

251,893

11,360 MWh_th

0% wood forest

Wood chips are not available, thus short rotation and/or miscanthus have to be used as feedstock in the gasifier.

10,376 MWh_el

80.7% grass _meadow

53.7% grass_agr.land

22.1% miscanthus

44.9% manure

100% biowaste

E2: No municipal waste availability

158,212

11,030 MWh_th

1.7% wood forest

No municipal waste, i.e. Digester types C and E available.

9,530 MWh_el

61.3% grass_meadow

40.2% grass _agr.land

40.5% manure

0% biowaste

E3 to E5: 0% to 50% grass availability

35,087 to 244,999

7,505 to 10,181 MWh_th

2% to 2.6% wood forest

No grass, i.e. only digesters A, fuelled with manure available. Up to: Less than the meadow grass amount used in the initial optimum structure, available.

8,455 MWh_el

0% to 39.6% grass _meadow

0% to 37.2% grass_agr.land

24.9% to 40.5% manure

0% to 100% biowaste

E6 to E7: 10% to 50% manure availability

202,146 to 257,789

9,837 to 11,971 MWh_th

1.7% to 1.9% wood forest

It limits the possibility of digester type A.

7,154 to 9,598 MWh_el

39.2% to 67.6% grass_meadow

33.5% to 40.2% grass_agr.land

10.0% to 16.0% manure

100% biowaste

E8: 33% grass and 50% manure availability

195,914

8,874 MWh_th

1.9% wood forest

Limits digesters' possibility.

6,407 MWh_el

28.8% grass_meadow

27.6% grass _agr.land

15.3% manure

100% biowaste

F1: No selling price for digestate

151,723

9,051 MWh_th

1.8% wood forest

A revenue source is excluded.

6,527 MWh_el

35.7% grass_meadow

24.9% grass _agr.land

9.2% manure

98.7% biowaste

F2: 8 € selling price for digestate

627,657

12,819 MWh_th

2.3% wood forest

A revenue source is enhanced.

14,070 MWh_el

81.5% grass_meadow

75.8% grass_agr.land

85.5% manure

100% biowaste