Cost of Electricity Calculation Tool

Table 1. Levelized Cost of Electricity from advanced PC, IGCC, and IGFC power plants, with and without CO2 capture and storage Baseline power systems (no CO2 capture) SCPC GEE IGCC Information source Operating Parameters Efficiency Capacity factor (hr/yr/8760hrs) % of power from steam cycle O2 requirement (lbO2/lbdry coal)) % CO2 capture Total CO2, kgCO2/kWh CO2 compression % inerts Parasitic load due to CO2 capture Cost Data Capital cost, $/kW net Coal handling ASU Gasifier Gas clean up Combustion turbine/fuel cell Boiler HRSG Steam turbine CO2 capture CO2 compression Other Total capital cost, $/kW net Variable O&M, cents/kWH Fixed O&M, $/kW/yr Fuel cost, cents/kWh CO2 cost, cents/kWh LCOE 97 141 287 426 203 187 0 89 105 0 0 375 1,813 0.65 35.3 1.61 2.55 10.4 123 250 383 177 188 0 89 105 0 0 375 1,688 0.55 35.3 1.36 2.17 8.7 114 212 362 164 407 0 65 75 0 0 375 1,774 0.51 53.0 1.25 1.99 8.8 93 120 311 134 550 0 0 0 0 0 375 1,584 0.56 60.4 0.99 1.57 7.8 Scaling Factors 0.85 0.85 0.65 0.85 0.85 0.65 0.80 0.85 0.65 0.85 n/a 122 166 342 498 239 238 0 99 116 175 68 449 2,390 0.81 43.7 1.89 0.63 10.6 139 286 434 199 238 0 99 116 153 57 449 2,169 0.53 43.7 1.53 0.51 8.5 133 250 420 191 472 0 75 86 0 59 449 2,135 0.50 60.6 1.45 0.31 8.3 103 134 346 148 598 0 0 0 0 46 449 1,824 0.55 68.0 1.08 0.23 7.2 39.1% 85% 100% 0.00 0% 0.83 38.2% 80% 39% 0.89 0% 0.85 45.0% 90% 39% 0.89 0% 0.72 49.0% 90% 26% 0.80 0% 0.66 62.0% 90% 0% 0.52 0% 0.52 27.2% 85% 100% 0.00 90% 1.20 0% 11.9% 32.5% 80% 37% 0.89 90% 1.00 0% 5.7% 40.2% 90% 37% 0.89 90% 0.81 0% 4.8% 42.3% 90% 26% 0.80 100% 0.77 6% 6.7% 57.0% 90% 0% 0.52 100% 0.57 6% 5.0% 1 1 Adv IGCC 2 Atm IGFC Press IGFC 3 4 Systems with CO2 capture, compression, and storage SCPC GEE IGCC 1 1 Adv IGCC 2 Atm IGFC Press IGFC 3 4 229 510 65 204 0 0 470 1,575 0.49 25.2 1.57 2.49 8.8 302 660 70 232 752 85 647 2,870 0.94 37.4 2.26 0.75 11.6 Table 2. Key inputs to the LCOE calculation for advanced PC, IGCC, and IGFC power plants Key Inputs Coal cost PC capital factor Gasification capital factor Fuel cell system cost Cost for emitted CO2 (w/ capture cases) Cost for emitted CO2 (no capture cases) Cost for CO2 transport and injection Coal CO2 emissions factor CO2 compression load for SCPC % of IGCC FO&M for comb turbine Fuel cell stack replacement cost Stack life Discount rate for stack O&M Catalytic gasifer, cat. make-up cost Value 1.80 0.186 0.195 550 30 30 4 95.3 0.0826 10% 175 5 10% 30 $/Mmmbtu $/yr/$ $/yr/$ $/kW AC $/mtCO2 $/mtCO2 $/mtCO2 MMmtCO2/qbtu kWh/kg CO2 $/kW years cents/mmbtu coal Source 1. page 30 goal seek to give LCOE of 6.33 for no CO2 capture or cost shown on exhibit ES-7, ref 1 goal seek to give LCOE of 7.80 for no CO2 capture or cost shown on exhibit ES-7, ref 1 program goal adjusted to 2007 dollars 5. midrange allowance price under McCain/Leiberman (S.280) 5. midrange allowance price under McCain/Leiberman (S.280) 1. consistent with 4mils/kWh estimate on page 13 6. Table 6-1, coal for electric utility, 25.98 * (44/12) 1. case 12, SCPCwCO2, 46,900 kW / 1,252,440 lbCO2/hr *0.454 kg/lb engineering estimate program goal adjusted to 2007 dollars program goal 1. page 52, exhibit 2-15 7. Table 3. Information sources for LCOE calculation for advanced PC, IGCC, and IGFC power plants Information Sources 1 Cost and Performance Baseline for Fossil Energy Plants, August 2007, DOE/NETL-2007/1281 2 Systems analysis conducted by Noblis 3 Systems analysis conducted by Eric Grol of NETL 4 Systems analyses conducted by Dale Keairns of SAIC 5 Energy Market and Economic Impacts of S. 280, the Climate Stewardship and Innovation Act of 2007,SR/OIAF/2007-04, July 2007 6 Emissions of Greenhouse Gases in the United States 2002, EIA, Table 6-1 7 Exxon Catalytic Coal Gasification Process Predevelopment Program. Final Project Report. Exxon Research and Engineering Co., Baytown, TX, FE236924, December 1978 Table 4. Equipment assumption for combustion turbine/fuel cell capital costs Equipment Included in the Turbine/Fuel Cell Capital Cost Line Item SPC GEE IGCC Adv IGCC Combustion turbine NA x x Generator NA x x Accessories NA x x Syngas expander NA Fuel cell stack NA Rectifier NA Cathode blower NA Oxycombustor NA Anodegas expander NA Atm IGFC Press IGFC x x x x x x x x x x