Human resources are one of the factors that need to be well managed by companies. Human resource management must be done professionally in order to produce competent human resources so that they can improve the performance of individuals and companies. This study aims to determine the influence of organizational culture and organizational commitment on employee performance through work ethics at PT. PLN (Persero) Belawan. This study is associative research with a quantitative approach. The

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... e in this study has as many as 175 respondents, and the data analysis techniques used to test the hypothesis are descriptive analysis and structural equation modeling (SEM) analysis. According to the findings, organizational culture has a positive and significant impact on work ethic. Work ethics are positively influenced by organizational commitment. Work ethic has a positive and significant impact on employee performance. Organizational culture has a positive and significant effect on employee performance. Organizational commitment has a positive and significant effect on employee performance, while indirect effect results show that organizational culture has a positive and significant effect on employee performance through work ethic. Organizational commitment has a positive and significant effect on employee performance through work ethic. Keywords: Organizational Culture, Organizational Commitment, Work ethic, Employee Performance