What is the Difference Between Transmission and Distribution?

The difference between transmission and distribution lies in their functions and voltage levels in the process of carrying electricity from generation sites to end-users. Here are the key differences between transmission and distribution:

1. Function: Transmission lines carry bulk electricity over long distances from power plants to substations, while distribution lines transport electricity from substations to end-users, such as homes, businesses, and industries.
2. Voltage Level: Transmission lines operate at high voltages to minimize energy loss during long-distance transport, while distribution lines operate at lower voltages suitable for end-users.
3. Infrastructure: Transmission lines, which are often found overhead or sometimes in the ground, can be recognized by their larger, taller poles/towers carrying many wires over longer distances. Distribution lines, on the other hand, are typically smaller and can be seen on the sides of streets, connecting substations to load points.

In summary, transmission lines are used for transporting electricity at high voltage levels over long distances, while distribution lines carry electricity at lower voltage levels to end-users like homes and businesses. Both systems work together to ensure the efficient and reliable delivery of electricity from power plants to end-users.

Comparative Table: Transmission vs Distribution

Here is a table comparing the differences between transmission and distribution:

Transmission lines are responsible for moving electricity from power plants or power stations to various substations, while distribution lines transport electricity from these substations to end-users, such as homes and businesses. The voltage levels are higher in transmission lines, around 11000 volts, compared to the lower voltage levels of distribution lines, which are typically around 220 volts for household use.

Transmission lines cover longer distances, whereas distribution lines operate over shorter distances and within local areas. Both transmission and distribution are crucial components of the electrical power grid, ensuring that electricity generated at power plants reaches its intended destinations.