The purpose of a substation is to 'step down' high voltage electricity from the transmission system to lower voltage electricity so it can be easily supplied to homes and businesses in the area through lower voltage distribution lines. ... The high growth in certain areas means there is need for more electricity.

Why substation is installed?

Substations in public distribution systems. ... A substation or installation is a physical entity defined by its position and its function within electrical networks. The role of a substation is essentially to perform the transition between two voltage levels and / or to supply the end user.

What are substations and why do we need them?

If you consider the power grid a gigantic machine (and many do), substations are the linkages that connect the various components together. ... Those roles depend on which parts of the electrical grid are being connected together and the types, number, and reliability requirements of the eventual customers downstream.