OJSC “Southern CPE” is a managing company (functions of the sole executive body of the institutes-joint-stock companies) in July 2002.


Merger by absorption of a wholly owned subsidiary (merger of the institutes and the management company → single legal entity) in July 2002.


Rebranding & renaming from the OJSC “Southern CPE” to ENEX (OJSC) in June 2013.


The General Designer of heat power plants — Rostovteploelectroproject was established in 1946. A leading institute in the Russian power sector, which designs pulverized coal-fired plants, combined-cycle plants, boiler heating plants and lines.


Was established in 1962 as a General Designer of electric lines and substations 110-500 kV, a designer of the development strategy of the Northern Caucasian Unified Power System (UPS) and development scheme of the Dagestan Power System for 2009-2015 until 2020.


The General Designer of power systems and electric grids above 110 kV in the Volgograd and Astrakhan power systems, a leading regional institute in design, start-up and commissioning of power systems and power grids in the Volgograd and Astrakhan regions. Was established in 1963.


The General Designer of lines and substations under 220 kV in the Krasnodar region and Adygeia Republic was established in 1964.


A leading design institute of electric grids construction of facilities under 110kV was established in 1965. The Institute has designed all electric power grids and substations 100-35-10 kV in the Rostov region and Kalmikia, development schemes of electric power grids 35-110 kV и 0,4-10 kV in the Rostov region, introduced telemechanics and Automated measurement system of commercial power accounting in RGES Donenergo.


Was established in 1990 for scientific research, ecology, thermal-mechanic equipment modernization.


Scientific — Production Enterprise “YugORGRES” A leading specialized organization in commissioning, balancing and testing of heat power plants, hydro heat plants, nuclear power plants, electric and heat grids in Russia. Was established in 1990.

Moscow Branch

Specializes in designing, construction and installation, start-up and commissioning works in the power sector, engineering. Acts as the “Customer-Builder”, “Customer Engineer” or EPC-Contractor during construction of power plants, power supply facilities, boilers and heating systems, hydro power plants. Was established in 2008.