The Holding PJSC "RAO Energy System of East" (PJSC "RAO ES of East") is the largest supplier of electricity and heat in the Far East. The Holding was founded on July 1, 2008 to manage the energy companies operating in the United Energy System of East (Primorsky Krai, Khabarovsk Krai, Amur Oblast, Jewish Autonomous Oblast and the South Yakutia), as well as in six isolated energy systems.