Definitions for "Heat rate"
is the expression of the conversion efficiency of power plants in the United States and is the amount of heat supplied, in Btu's, to generate 1 kWh of electricity. The smaller the heat rate, the greater the efficiency.
A measure of electric energy system efficiency; the amount of natural gas required to generate one MegaWatt-hour of electric energy .
Energy input per unit of time, usually expressed in kWh\h or BTU\h