Quad

Name:
Quad
Detailed information:
An energy unit that has come into use in recent years in predicting future energy requirements on a national basis. One quad equals 10¹⁵ Btu, which is the energy equivalent of 10¹²cu ft natural gas, or 182 million barrels of oil, or 42 million tons of coal, or 293 billion kilowatt-hours of electricity.