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Table 4 Comparison of monetary parameters for minimum and maximum substrate costs

From: Ecological and economic evaluation of biogas from intercrops

Depreciation period: 15 years

Minimum

Maximum

Capacity (%)

Total investment costs (1,000 €)

Digester f6 250 kWel

850.9

850.9

100

Digester f7 250 kWel

1,075.6

1,075.6

96

CHP 160 kWel location 1

200

200

51

CHP 160 kWel central

200

200

100

CHP 250 kWel central

250

250

100

Transformer

35

35

-

Silo management

150

150

-

Biogas pipelines

44.3

44.3

-

Total investment costs

2,805.8

2, 805.8

-

Yearly depreciation (1,000 €/year)

187.1

187.1

-

Yearly operating costs (1000 €/year)

Material costs

129.5

201.6

-

Transport costs

68.2

68.2

-

Digester f6 250 kWel

37.8

37.8

100

Digester f7 250 kWel

37.8

37.8

96

CHP 160 kWel location 1

23.3

23.3

51

CHP 160 kWel central

23.3

23.3

100

CHP 250 kWel central

29.2

29.2

100

Silo management

5.9

5.9

-

Electricity from national grid

34.4

34.4

-

Total operating costs (1,000 €/year)

389.4

461.5

-

Yearly profit (1,000 €/year)

District heat 22.5 € × 4,134 MWh

93.0

93.0

-

Electricity feed in 205 € × 3,827 MWh

784.4

784.4

-

Total profit (1,000 €/year)a without depreciation and operating costs

877.4

877.4

-

Total profit (1,000 €/year)a

300.9

228.9

 
  1. Table 4 gives an overview of monetary input and output parameters for both cost situations (minimum and maximum, see Table 3). aWithout interest rates.