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This study aims to determine the role of work motivation in mediating the influence of work environment and job satisfaction on employee performance of pt nusantara electric. The research method used is descriptive quantitative using a questionnaire. The data analysis technique used in this research is Path Analysis with the Structural Equation Modeling-Partial Least Square approach. Sampling in this study using saturated sampling technique, with a sample size of 58 employees. Data were collected through a questionnaire with a Likert scale which was processed using Microsoft Excel 2016 software and SmartPLS version 4.1.1.2. The results of this study indicate that work environment variables have no significant effect on employee performance. Job satisfaction variables have a positive and significant effect on employee performance. Work environment variables and job satisfaction have a positive and significant effect on work motivation. Work motivation variables have a positive and significant effect on employee performance. Work motivation variables are not able to mediate the effect of work environment on employee performance. Work motivation variables are able to mediate the effect of job satisfaction on employee performance.

Electricity is one of the vital needs that is indispensable for all humans and other places, one of which is PT. Cemindo Gemilang, engaged in the cement-producing industry, requires a huge electricity capacity. To reduce or reduce the cost of electrical energy, a power plant unit and a WHRS (waste heats recovery system) were made to supply electrical energy to the cement plant area. PT. Cemindo Gemilang and the Power Plant rely heavily on electric motors, almost all of which operate using electric motors. The electric motor is a single-phase or three-phase type with a voltage of 11 KV, 6.6 KV or 400 volts. When all generating units operate, all electric motors that play an essential role will continue to be active so that damage is often caused by operation and service life therefore in the power plant department, and there is an electrical and mechanical maintenance division to maintain the continuity of the power plant operational system. This study's aim 1). Explain about electric motors, 2). Explain the definition of the water jet pump, 3). Explain how the water jet pump works 4). Explain the components used in electric motors and their repair and maintenance.