Click chart for better resolution.
A quad is a unit of energy equal to 1015 (a short-scale quadrillion) BTU,[1] or 1.055 × 1018 joules (1.055 exajoules or EJ) in SI units.
The unit is used by the U.S. Department of Energy in discussing world and national energy budgets. The global primary energy production in 2004 was 446 quad, equivalent to 471 EJ. [2]
Some common types of an energy carrier approximately equal 1 quad are:
- 8,007,000,000 Gallons (US) of gasoline
- 293,071,000,000 Kilowatt-hours (kWh)
- 36,000,000 Tonnes of coal
- 970,434,000,000 Cubic feet of natural gas
- 5,996,000,000 UK gallons of diesel oil
- 25,200,000 Tonnes of oil
Global Macro Monitor 