<p>This study analyzes the effectiveness of discipline and work motivation on employee performance at PT PLN (Persero) Natar Customer Service Unit. This research iwas conducted iwith ithe iaim iof iknowing the ieffect of discipline effectiveness on iemployee performance, iknowing ithe ieffect iof iwork motivation ion iemployee iperformance and to determine the effect of discipline effectiveness and work motivation on employee performance at PT. PLN (Persero) Natar Customer Service Unit. This istudy iuses iquantitative iresearch using ianalytical imethods iwith idata icollection used by researchers are observation, documentation and questionnaires. The iresults iobtained ifrom ithis istudy idetermine ithat there is ian iinfluence between the effectiveness iof idiscipline iand iwork imotivation ion employee iperformance. ifrom ithe iresults iof icalculations ithat ihave ibeen icarried iout ithe significance ivalue ifor ithe iinfluence iof ithe discipline effectiveness variable (X1) and work motivation variable (X2) simultaneously on the employee performance variable (Y).</p>