In this research, it is aimed to develop a measurement tool that measures energy efficiency in enterprises. As a workgroup manufacturing enterprises in Turkey are preferred. The scale was developed to reveal the factors that are effective in determining energy efficiency from the perspective of employees. In the scale development study; explanatory factor analysis, reliability analysis, correlation analysis and confirmatory factor analysis were performed respectively. The scale developed consists of 5 factors. Factors related to the scale are energy efficiency factor (EEF); control factor (CF); automation factor (AF); educational factor (EF) and management factor (MF). The structures consisting of 37 items were supported with goodness of fit values. Chi-square is 451.77; degree of freedom is 138; p is 0,000 and the RMSEA value is 0.085. The analyzes were performed with SPSS and LISREL 9.1 program. Considering the values, it was decided that the scale was developed in a way suitable for measuring energy efficiency in enterprises.