Electricity Production Cost Analysis of a Combined Cycle Power Plant

Çetin, Burhanettin; Erdem, Hasan Hüseyin; Sevilgen, Süleyman Hakan; Akkaya, Ali Volkan

doi:10.1080/15567240601057248

Cited by 6 publications

(8 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In order to examine the effect of operating mode on electricity generation cost, working hours of the operating modes for the modeling were set at 52 weeks per year, 5 days per week, and 8 h per day for a single shift, 16 h per day for two shifts, and 24 h per day for three shifts. One hour was needed for starting up and shutting down a biomass gasification power facility in each working day for single shift and two shift working modes, but just 1 h was needed in a week for the three shifts operating mode 42–46. For clarification, the working hours of different operating modes of micro‐scale gasification power facilities are presented in Table IV.…”

Section: Model Parameterizationmentioning

confidence: 99%

“…Labor cost was determined by the number of operators needed and pay rate of the operators. Integrating modern biomass gasification and computer control technologies have enabled running a micro‐scale biomass gasification power system fully automatically in a well‐designed system to significantly reduce operators needed for the micro‐scale power facilities 15, 19, 42–46, 50. Considering the characteristics of biomass feedstock and operating safety, operators were still necessary for starting up the biomass to electricity generating system at the beginning of a working day, monitoring and controlling the system during electricity production, and shutting down the facility at the end of a working day.…”

Section: Model Parameterizationmentioning

confidence: 99%

“…Considering the characteristics of biomass feedstock and operating safety, operators were still necessary for starting up the biomass to electricity generating system at the beginning of a working day, monitoring and controlling the system during electricity production, and shutting down the facility at the end of a working day. The numbers of operators needed for operating micro‐scale power facilities in the range of 15–500 kWe capacities in single shift, two shifts, and three shifts operating modes were estimated to be 0.6, 1, and 1.2, respectively 15, 27–31, 36, 37, 42–46, and the pay rate was estimated to be $/38 480 year −1 per operator (equivalent to $18.5 h −1 ) 47, 49. An additional charge for supervisor in labor costs was 15% of total of operator costs 36–41, 43–46.…”

Section: Model Parameterizationmentioning

confidence: 99%

“…Currently, the energy efficiency of biomass to electricity of gasification power facilities was reported to range from 15 to 36% 15, 19, 42–46, 50, 52–57. Based on the concerns of type and scale of the genset used in the modeling, the biomass to electricity energy efficiency of micro‐scale gasification power facility was estimated to be 25% 15, 19, 42–46, 50, 52–57. If byproduct heat generated in process were utilized for heating, total of energy efficiency of micro‐scale gasification power facility can be up to 70% or even higher 54–56.…”

Section: Model Parameterizationmentioning

confidence: 99%

“…Other sites like farm or timber communities where there is no reliable electrical grid, the price and availability of liquid fuel are limited, and/or there are abundant supplies of wood or other biomass resources can also be a suitable for a local gasification power facility. The feedstock used in the study was hardwood chips having 18.7 MJ kg −1 low heating value (LHV) 8, 19, 42–46. Annual consumption of hardwood was about 3400 ton for a 0.5 MW micro‐scale gasification power facility running in three shifts mode.…”

Section: Model Parameterizationmentioning

confidence: 99%

See 4 more Smart Citations

Evaluation of micro-scale electricity generation cost using biomass-derived synthetic gas through modeling

Wang

Pordesimo³

et al. 2010

Int. J. Energy Res.

View full text Add to dashboard Cite

SUMMARYA promising renewable energy technology is electricity generated with biomass-derived synthetic gas (syngas). The economic feasibility of using biomass gasification for generating electrical power is very much dependent on the cost of the power plant and the cost of its operation. A cost model was developed to analyze the Unit Cost (unit-cost) of electricity generation from micro-scale power facilities that used biomass gasification as its energy input. The costs considered in the model were capital cost and operating costs. The results from the modeling indicated that operating cost was a major part of the total annual production cost of electricity generation, and that labor was the largest part of the total annual production cost of operation, and it was during the time when the power facilities operated at lower generation capacity levels. One effective way of reducing the unit-cost was to operate the facility at high capacity level. The study found that when the capacity level increased the total of annual cost was also increased, but the electricity unit-cost decreased markedly. For a given level of generating capacity, the electricity unit-cost of the facility operating at a two or three shifts operating mode was significantly lower than that of one shift operating mode.

show abstract

Section: Model Parameterizationmentioning

confidence: 99%

Section: Model Parameterizationmentioning

confidence: 99%