Power line communication is a technology which can provide internet services by using conventional medium (MV) and low voltage (LV) electrical wire. In this paper it is shown that the economic benefits of power line communication (PLC) more than optical fiber technology. The cost efficiency of PLC over optical fiber for a certain area is statically analyzed .The power spectral density of background color noise for residential and industrial area has been also analyzed using MATLAB. Comparison shows that PLC is a cheaper technology than optical fiber communication. Due to the nature of the distribution, installation time is also lower. The vision 2021 of spreading internet services all over Bangladesh can be easily and cheaply achieved if power line communication is used.