How Much Power is 1 Gigawatt?

A watt is a measure of power and there are 1 billion watts in 1 GW. The light bulbs in most homes are typically between 60 and 100 watts. So 1.21 gigawatts would power more than 10 million light bulbs.

According to the U.S. Office of Energy Efficiency and Renewable Energy, each of the following can create 1 GW of power:

•3.125 million photovoltaic (PV) panels,

•100 millio…