6.2 : Electricity Generation, Transmission, and Distribution




6.2.7 Characteristics of New and Stock Generating Capacities, by Plant Type
Heat rate (1) Total Capital Costs
in 2010 Size Overnight Costs (2) of Typical New Plant
New Plant Type (Btu/kWh) (MW) (2010 $/kW) ($2010 million)
Scrubbed Coal 8,800 1300 2809 3652
Integrated Coal-Gasification
Combined Cycle (IGCC) 8,700 1200 3182 3818
IGCC w/Carbon Sequestration 10,700 520 5287 2749
Conv. Gas/Oil Combined Cycle 7,050 540 967 522
Adv. Gas/Oil Combined Cycle 6,430 400 991 396
Conv. Combustion Turbine 10,745 85 961 82
Adv. Combustion Turbine 9,750 210 658 138
Fuel Cell 9,500 10 6752 68
Advanced Nuclear 10,453 2236 5275 11795
Municipal Solid Waste 13,648 50 8237 412
Conventional Hydropower (3) 9,854 500 2221 1111
Wind 9,854 100 2409 241
Stock Plant Type 2010 2015 2020 2025 2030 2035
Fossil Fuel Steam Heat Rate (Btu/kWh) 9,787 9,441 9,509 9,557 9,440 9,341
Nuclear Energy Heat Rate (Btu/kWh) 10,460 10,460 10,460 10,460 10,460 10,460
Note(s): 1) Plant use of electricity is included in heat rate calculations; however, transmission and distribution losses of the electric grid are excluded. 2) Overnight costs represent the capital costs of new projects initiated in 2009. Includes contingency factors and excludes interest charges. 3) Hydro costs and performance characteristics are site-specific. This table provides the cost of the least expensive plant that could be built in the Northwest Power Pool region, where most proposed sites are located.









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