E.ON Dél-dunántúli Áramhálózati Zrt.'s main activity is electricity supply.
The company's legal predecessor, the Pécs-based E.ON Dél-dunántúli Áramszolgáltató., was set up on August 1, 1951, and the company went public in 1991. E.ON Hungária Zrt. became the company's majority shareholder on July 1, 2004. Since January 1 2007,E.ON Dél-dunántúli Áramhálózati Zrt.'s main activities have been the transportation of electricity and the secure operation of the requisite distribution networks, transformer substations, and switch gear. The company supplies electricity to over 700.000 homes and workplaces in the region stretching over 18.229 square kilometers from Hungary's southern border to the Lake Balaton and between the Danube and the country's western border. The company's high, medium, and low voltage overhead transmission lines and its cable network reach 25.052 kilometers in length.
The company's main tasks include system operation, network development and maintenance, regional customer relations management, as well as tasks in regard to metering and monitoring consumption.