AS Eesti Küttejõud (also: AS Eesti Kütte-Jõud; commonly: Küttejõud; literally: Estonian Heating Power) was an oil shale company located in Küttejõu, Estonia. The Küttejõu township, now district of Kiviõli, is named after the company. In 1939, the company produced 126,238 tonnes of oil shale. After occupation of Estonia by the Soviet Union, the company was nationalized in 1940.