Tenaga Nasional Berhad (TNB) Distribution has embarked on the development of a Geographical Information System (GIS) since the year 2009. The scope of work is to map and digitize all TNB distribution electrical assets and to systematically establish the customer’s database. In this study, a review on the GIS implementation was carried out at Cheras TNB Distribution station. The low utilization of GIS contributes the most to the need of having the GIS reviewed. The aim of the study is to develop a revised strategy for a successful GIS re-implementation in TNB Distribution electrical network based on the results from the review process. Its objectives are to develop and evaluate strategize a plan for the re-implementation based on GIS components after reviewing and analysing the existing implementation. Key success factor (KSF) is introduced to deliver a success GIS project re-implementation. Data from the previous implementation, survey, workshop and feedback from users of TNB Cheras staff are used for references when developing the strategies. GIS components are capitalized to establish KSF criteria in order to measure the successfulness of the re-implementation. System Usability Scale (SUS) is used for interpreting the KSF outcome. The study is finally ended with the development and evaluation of the proposed strategize plan for the re-implementation of four GIS components which are System and Tools, Data, Business Process and User. The proposed strategy is used to determine the effectiveness of the re-implementation strategies and KSF in order to drive the future invasion of GIS application to other TNB Distribution stations in Malaysia.

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