Baseload

The minimum level of electric power demand of a utility, region, or utility customer delivered or required over a given period of time at a steady rate; generally expressed in units of kilowatts or megawatts. The minimum continuous load or demand in a power system over a given period of time.

Minimum load in a power system over a given period of time. The minimum constant amount of load connected to the power system over a given time period, usually on a monthly, seasonal, or yearly basis.