\[\eta {\text{ = Eff}}{\text{. }}\,{\text{of}}\,{\text{Boiler}} \times {\text{Eff}}{\text{. }}\,{\text{of }}\,{\text{Cycle }} \times\] \[{\text{ Eff}}{\text{. }}\,{\text{of}}\,{\text{ turbine }} \times {\text{ Eff}}{\text{. }}\,{\text{of}}\,{\text{ generator}} \times {\text{ Eff}}{\text{. }}\,{\text{of }}\,{\text{auxiliary}}\]