Info

US$/tCO, avoided

Capture cost confidence Level (see Table 3.7)

moderate

moderate

moderate

moderate to high

Confidence Level (see Table 3.7)

COE = Cost of electricity

Notes: [a] Ranges and representative values are based on data from Tables 3.7, 3.9, 3.10 and 3.11. All costs in this table are for capture only and do not include the costs of CO, transport and storage; see Chapter 8 for total CCS costs, [b] All PC and IGCC data are for bituminous coals only at costs of 1.0-1.5 US$ GJ 1 (LHV); all PC plants are supercritical units, [c] NGCC data based on natural gas prices of 2.8-4.4 US$ GJ1 (LHV basis), [d] Costs are in constant US$ (approx. year 2002 basis), [e] Power plant sizes range from approximately 400-800 MW without capture and 300-700 MW with capture, [f] Capacity factors vary from 65-85% for coal plants and 50-95% for gas plants (average for each=80%). [g] Hydrogen plant feedstocks are natural gas (4.7-5.3 US$ GJ"1) or coal (0.9-1.3 US$ GJ4); some plants in dataset produce electricity in addition to hydrogen, [h] Fixed charge factors vary from 11-16% for power plants and 13-20% for hydrogen plants, [i] All costs include CO, compression but not additional CO, transport and storage costs.

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