Technology Status - NET Nowak Energie & Technologie AG

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Table 31
Summary of Near-term Potential Performance
for Co-generation Power Plants
Rankine Gasification - Pyrolysis diesel
power plant gas engine
Base Future Base Future Base Future
Power production
MW electricity output
2.0 2.0 5.0 5.0 6.2 6.2
Heat production
MW thermal output
6.8 5.8 6.0 5.7 6.5 6.5
Production efficiency % 17.5 23.0 23.9 32.4 24.7 31.5
Overall efficiency % 88.0 90.0 85.0 90.0 58.5 66.0
Power-to-heat ratio 0.30 0.35 0.83 0.88 0.95 0.95
Source: IEA Bioenergy.
Table 32
Co-Generation Costs of Bioelectricity
Co-generation Current Current Near-term Near-term
costs in USD generation generation generation generation
cents per kWh cost based on cost based on cost based on cost based on
(approximate 5,000 h annual 7,000 h annual 5,000 h annual 7,000 h annual
values) operating time operating time operating time operating time
Rankine
power plant
Gasification -
gas engine
7.5 5.5 7 5
11.5 9 8 6
Pyrolysis-diesel 13 12.5 9.5 8.5
Note: Rankine power plant 2.0 MW electricity output /6.8 MW thermal output, gas engine 5.0 MW electricity
output /6.0 MW thermal output and pyrolysis 6.2 MW electricity output /6.5 MW thermal output.
Source: IEA Bioenergy.
Feedstock
Improving feedstock and the fuel supply chain is essential for a more efficient
and cost-competitive biomass electricity. As an example, the main reasons
BIOPOWER X5