Mosenergo
 Mosenergo (also known as TGK-3;) is the largest Russian power generating company operating on fossil fuel and the largest thermal generation company in the world.[citation needed] In addition to electric power it also generates and sells heat for consumers in Moscow and the Moscow Oblast. The company was founded in 1887 in Moscow.The power plants of Mosenergo have installed electricity capacity of 11100 MW and thermal capacity of 39900 MW.