The study investigated the project planning and success of MTN Borehole Project in Ruhango District, Rwanda. The specific objectives are to determine the effect of resource planning on the success of MTN Borehole project in Ruhango District; the effect of time schedule on the success of MTN Borehole project in Ruhango District; the effect of scope planning on the success of MTN Borehole project in Ruhango District; and the effect of Risk management on success of MTN Borehole projects in Ruhango District. The descriptive and correlative research design were used in this study deeply to investigate and analyze the project planning and project success. Target population was 145 employees in Ruhango District. The use census survey used to select all 145 people as sample size. Data collection methods were documentary analysis; and questionnaire. Descriptive statistic method was used to analyze the collected data; correlation coefficient and multiple linear Regression analysis models. The results revealed that positive and strong correlation between project communication planning and success of MTN Borehole project in Ruhango District as Pearson correlation was 0.891** with the p-value of 0.000 which is less than standard significance level of 0.01. This indicates that, out of the considered other factors influence success of MTN Bore Hole projects in Ruhango District. The results show that there is a positive and very strong correlation between Project Time schedule and the success of MTN Borehole project in Ruhango District as Pearson correlation is 0.905** with the p-value of 0.000 which is less than standard significance levels of 0.01. Findings show that there is a positive and very strong correlation between Project Scope Planning and the success of MTN Borehole project in Ruhango District as Pearson correlation is 0.941** with the p-value is 0.000, which is less than standard significance level of 0.01. This indicates that, out of the considered other factors influencing success of MTN Borehole project in Ruhango District., only Project Scope Planning have significant and positive relationship of 94.1% with the success of MTN Borehole project in Ruhango District. Findings show that there is a positive and very strong correlation between Project Risk management and the success of MTN Borehole project in Ruhango District as Pearson correlation show 0.992**with the p-value is 0.000, which is less than standard significance level of 0.01. The findings revealed that the level of significance was 0.000(b) this implies that the regression model is significant in predicting the relationship between project planning and success of MTN Borehole projects in Ruhango District. The findings showed level of f-test model is 2461.901 which is positive with p-value of 0.000b less than both standard significance levels of 0.05 and 0.01. This means that the study retained all alternative hypotheses.
