Virginia Power's study of a Shell-based GCC (gasification combined-cycle) power plant
- Virginia Electric and Power Co., Glen Allen, VA (USA)
This study developed design, performance, and cost information for a three-phase nominal 420 MWe Shell-based gasification combined-cycle (GCC) power plant located at Virginia Power's Chesterfield Power Station. Phases 1 and 2 consist of two identical natural gas- or distillate-fired combined-cycle units, each producing a nominal 210 MWe. Phase 3 consists of adding the coal gasification facilities. The gasification plant uses a Central Appalachian coal and is sized to fully load the two General Electric MS7001F combustion turbines at 90{degrees}F ambient temperature. Sensitivity studies examined the impacts of alternate coals, liquid oxygen storage, preinvestment and NO{sub x} emission limits. The study results indicate that at 90{degrees}F, the Phase 3 GCC power plant has a heat rate on coal of 8968 Btu/kWh and a total capital requirement of $1516/kW. Total capital requirements for the initial combined-cycle phases ranged from approximately $595/kW for Phase 1 to $570/kW for Phase 2. Sensitivity studies showed only modest cost and performance impacts for designing the gasification plant to either handle a range of coal properties, or to meet more restrictive NO{sub x} emission limits. The performance and cost information was then used by Virginia Power to perform an economic assessment consisting of production costs, revenue requirements, and other financial results.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (USA); Virginia Electric and Power Co., Glen Allen, VA (USA)
- Sponsoring Organization:
- EPRI
- OSTI ID:
- 5462388
- Report Number(s):
- EPRI-GS-6493
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
COMBINED-CYCLE POWER PLANTS
DESIGN
CAPITALIZED COST
CATALYSTS
CHEMICAL EFFLUENTS
COAL PREPARATION
COMPARATIVE EVALUATIONS
ECONOMIC ANALYSIS
ENERGY CONSUMPTION
EQUIPMENT
FEASIBILITY STUDIES
FLOWSHEETS
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POWER RANGE 100-1000 MW
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FEDERAL REGION III
GASIFICATION
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