petawatthour

The petawatthour, abbreviated as PWh, is a unit of energy. It is equal to one quadrillion (10^15) watt-hours. A watt-hour represents the energy consumed or produced by a device operating at one watt of power for one hour. Therefore, a petawatthour signifies a very large quantity of energy.

To put it into perspective, a kilowatt-hour (kWh) is commonly used for measuring household electricity consumption. A petawatthour is equivalent to one trillion kilowatt-hours. The petawatthour is primarily used in contexts involving the generation, transmission, and consumption of energy on a massive scale, such as in national or global energy statistics. It is also relevant when discussing the energy output of large power plants or the total energy demand of entire countries or continents. The prefix "peta-" denotes a factor of 10^15, making it a significant unit in the measurement of substantial energy figures.