Therm
The therm is a unit of heat energy used in the United States and the United Kingdom for measuring natural gas consumption.
Kilotons (explosive energy)
A kiloton is a unit of measurement that quantifies the energy released in an explosion. It is the energy released by detonating 1,000 tons of TNT (trinitrotoluene). One kiloton is approximately equal to 4.184 × 1012 joules.