About Units

Kilocalories per hour: Kilocalories per hour (kcal/h) is a unit of power commonly used to measure heating or cooling capacities. One kilocalorie per hour is the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius in one hour. It is often used in heating and cooling applications.

Gigawatt: The gigawatt (GW) is a unit of power equal to one billion watts. Gigawatts are used to measure the capacity of very large power plants and the total power consumption of entire countries. For example, the total electrical generating capacity of a large nuclear power plant can be around 1 gigawatt.