Environmental Engineering Reference
In-Depth Information
Network level: Regional transport network, PN 16
Maximum operating pressure (MOP)
Upstream pressure 800mbar; MOP 10-16 bar
11.3 kWh/Nm
3
Base gas heating value
Network connection
500m crossing mostly open space, open by drilling
Feed-in facility concept
Single-lane design, network compatibility (DVGW G 685) ensured by
heating value adjustment with LPG, 90% availability of feed-in station and
network connection, no redundant compressor
125m
3
STP/h
350m
3
STP/h
700m
3
STP/h
Feed-in capacity
Individual item costs
Pipelines, incl. civil eng. work, connection (
€
)
200 000
200 000
200 000
Conditioning w/o LPG tank (
€
)
100 000
100 000
100 000
Measurement/metering (
€
)
260 000
280 000
300 000
Odorization (
€
)
30 000
30 000
30 000
Compression (
€
)
300 000
350 000
400 000
Gas station building (
)
100 000
150 000
150 000
€
Gas pressure regulation/control equipment (
)
80 000
80 000
80 000
€
Electrical and remote control equipment (
)
340 000
340 000
340 000
€
Design approval documentation (
)
120 000
120 000
120 000
€
Total capital expenditure (CAPEX) (
)
1 530 000
1 650 000
1 720 000
€
/m
3
STP h
1
)(
Spec. CAPEX (
)
12 240
4714
2457
€
€
Annual CAPEX
a
(
)
157 300
169 700
176 900
€
Spec. annual CAPEX (cents/kWh H
s
)
b
1.46
0.56
0.29
Operational expenditure (OPEX)
Auxiliary. power consumption (
)
36 000
36 000
36 000
€
HV adjustment with LPG (
)
45 000
99 000
182 000
€
Odorization (
)
1200
1400
1600
€
Compression costs (power) (
)
20 300
35 100
54 800
€
Total OPEX (
)
102 500
171 500
274 400
€
Spec. OPEX (cents/kWh H
s
)
b
0.87
0.52
0.42
a
Annual allocation depreciation and redemption, 15 years' depreciation, 6% annuity rate.
b
Reference: 8000 operating hours per year, H
s
(STP) biomethane 10.74 kWh/m
3
STP.
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