TNS Energo Rostov-Na-Donu PAO 

TNS energo Rostov-on-Don, a Public Joint Stock Company, is an electricity supplier serving the Rostov region of Russia. The company caters to an extensive clientele of approximately 1.5 million, which includes around 1.46 million individual customers and about 58,000 commercial enterprises and organizations. Founded in 2005, the firm was previously known as OJSC Energosbyt Rostovenergo until it rebranded in July 2015 to its current name, Public Joint Stock Company "TNS energo Rostov-on-Don." Its headquarters are situated in Rostov-on-Don, Russia.