The research aimed to clarify the effect of total quality management to leadership and the impact to managerial performance of PT PLN (Persero) Wilayah Riau and Kepulauan Riau. The data collected by using questionnaire that has been done with 120 respondents. The main analysis is Structural Equation Modeling using Partial Least Square (SEM-PLS) as a variance/component based approach which does …