The main indicator, on the basis on which companies are ranked, is net revenue. The rating involves the participation of the parent companies of the operating holdings in preparing consolidated reports, where the indicators of both of the parent company and those of its subsidiaries are taken into account. According to RBC, during the year, the number of companies with growing revenue decreased from 397 to 375, yet the TNS energo Group of Companies showed positive dynamics, having increased its revenue from RUB 172 billion to RUB 206.9 billion.
The PJSC TNS energo Group of Companies is a participant in the wholesale electricity market, managing 10 guaranteeing suppliers serving around 21 million consumers in 11 regions of the Russian Federation: PJSC TNS energo Voronezh (Voronezh region), JSC TNS energo Karelia (Republic of Karelia), OJSC Kubanenergosbyt (Krasnodar region and the Republic of Adygea), PJSC TNS energo Mary El (Republic of Mary El), PJSC TNS energo NN (Nizhny Novgorod region), JSC TNS energo Tula (Tula region), PJSC TNS energo Rostov-on-Don (Rostov region), PJSC TNS energo Yaroslavl (Yaroslavl region), LLC TNS energoVeliky Novgorod (Novgorod region) and LLC TNS energo Penza (Penza region). According to its 2015 results, the Group of Companies supplied 63.2 billion kWh of electricity.