A Dissertation Submitted in Partial Fulfillment of the Requirement for the Award of the Master Degree of Business Administration in Corporate Management (MBA-CM) of Mzumbe University.This research intended to assess the impact of motivation on employee performance in Tanzania. Therefore the objective of the study is to asses the impact of motivation on employee performance especially at Tanesco Tabora Regional office, to identify and describe motivation packages available in the study area as well as finding out how PDP Bonuses influencing employees performance in the study area. The study on the impact of motivation on employees’ performance specifically at Tanesco Tabora Regional office revealed that, 10 (33%) of the respondents mentioned transport allowance as one among the motivation packages influencing them because such allowances assisted them in fulfilling their economic activities, while 12 of the respondents’ equivalent to (40%) said that they are given housing allowances to foster them to perform their work and the remaining 8 respondents’ equivalent to 27% respondents said that they have been awarded performance development programme (PDP) and encourage them to work hard. The target population of the research also involved both male and female who are employees’ of Tanesco Tabora regional office. A sample size of 30 was drawn. Convenience sampling and purposive sampling methods were adopted in selecting a sample size because it was easy to reach the respondents and based on the subjective judgment of the researcher. Furthermore, the main instrument which was used in collecting data was questionnaire method since it keep large amount of information and relatively easy to analyse during data analysis. Moreover, the study recommends that since motivation factors like attractive salary, training and good working environment to any employees is very essential, it is important for employers to value it because it motivates employees to perform their work hard with efficiency and effectiveness.