The aim of this study was to identify the level of transformational leadership, organizational commitment, and organizational effectiveness. The study examines the effect of Transformational Leadership and Organizational Commitment on Organizational Effectiveness from the perspective of workers in Damascus Electricity General Company. In order to achieve these objectives the researcher used the Correlational Research approach. Questionnaire consisted of (45) items has designed to collect the primary data, it has been distributed to a sample of (82) employees, a (51) Questionnaires were analyzed by using the statistical program (SPSS). Findings indicated a high level of transformational leadership where the average (4.69), a medium degree of organizational commitment of workers where the mean value reached (3.50), the ratings of a sample of organizational effectiveness was medium where the average (3.48).The study concludes that there is a statistically significant effect of Transformational Leadership and Organizational Commitment on Organizational Effectiveness. The study recommended to increase the practice of Transformational Leadership. Because of its role in creating the organizational commitment of employees, in order to increase the level of organizational effectiveness of company, which will reflected on raising the level of company’ economic and social performance.