Southern Company Services' study of a Kellogg Rust Westinghouse (KRW)-based gasification-combined-cycle (GCC) power plant
- Southern Co. Services, Inc., Birmingham, AL (USA)
A site-specific evaluation of an integrated-gasification-combined- cycle (IGCC) unit was conducted by Southern Company Services, Inc. (SCS) to determine the effect of such a plant would have on electricity cost, load response, and fuel flexibility on the Southern electric system (SES). The design of the Plant Wansley IGCC plant in this study was configured to utilize three oxygen-blown Kellogg Rust Westinghouse (KRW) gasifiers integrated with two General Electric (GE) MS7001F combustion turbines. The nominal 400-MW IGCC plant was based on a nonphased construction schedule, with an operational start date in the year 2007. Illinois No. 6 bituminous coal was the base coal used in the study. Alabama lignite was also investigated as a potential low-cost feedstock for the IGCC plant, but was found to be higher in cost that the Illinois No. 6 coal when shipped to the Wansley site. The performance and cost results for the nominal 400-MW plant were used in an economic assessment that compared the replacement of a 777-MW pulverized-coal-fired unit with 777-MW of IGCC capacity based on the Southern electric system's expansion plans of installing 777-MW of baseload capacity in the year 2007. The economic analysis indicated that the IGCC plant was competitive compared to a baseload pulverized-coal-fired unit. Capital costs of the IGCC unit were approximately the same as a comparably sized pulverized-coal-fired plant, but the IGCC plant had a lower production cost due to its lower heat rate. 10 refs., 34 figs., 18 tabs.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (USA); Southern Co. Services, Inc., Birmingham, AL (USA); KRW Energy Systems, Inc., Madison, PA (USA); Kellogg (M.W.) Co., Houston, TX (USA); General Electric Co., Schenectady, NY (USA)
- Sponsoring Organization:
- EPRI
- OSTI ID:
- 6679579
- Report Number(s):
- EPRI-GS-6876
- Country of Publication:
- United States
- Language:
- English
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COMBINED-CYCLE POWER PLANTS
ECONOMIC ANALYSIS
AIR POLLUTION CONTROL
BITUMINOUS COAL
COMPARATIVE EVALUATIONS
COST
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DESULFURIZATION
ENVIRONMENT
FLUE GAS
FLUIDIZED BEDS
GEORGIA
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BLACK COAL
CARBONACEOUS MATERIALS
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FOSSIL FUELS
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