Difference between base load and peak load

Base Load and Peak Load

Base load is the unvarying load which continuously occurs throughout the day on the station. While the term Peak load refers to the variable peak demands of load, when the demand for electricity increases above the base load.

In the fig, 20 MW of load has supplied throughout the day is the base load. It is almost constant. Maximum load which is only for short duration is called Peak load.

These peak demands of the station generally from a small part of the total load and may occur throughout the day.