Research Article

Improved Firefly Algorithm: A Novel Method for Optimal Operation of Thermal Generating Units

Table 14

Result comparisons for Case 6.

MethodBest cost ($)Mean cost ($)Worst cost ($)BCI (%)

PSO [17]145,520.01158,596.173184,686.82510,00010.08
PG-CF-PSO [17]139,604.13152,204.261170,022.97310,0006.27
COA [39]133,110.43153,110.432138,260.4031.70
ICBOA [38]135,121.57450,0003.16
CBO [38]135,073.00450,0003.13
ECBO [38]135,172.27450,0003.20
DE [38]142,751.118225,0008.34
ABC [38]135,145.189450,0003.18
BBOA [38]135,272.196450,0003.27
MSA [43]129,640.719−0.93
FA136,472.670139,845.99146,821.8210,0004.12
IFA130,847.3503135,391.09138,816.2410,000