Verteilnetzbetreiber (VNB) Rhein-Main-Neckar

The Verteilnetzbetreiber (VNB) Rhein-Main-Neckar GmbH & Co. KG is a 100% subsidiary of the HEAG Südhessische Energie AG (HSE). The VNB was founded in the summer 2007 according to the unbundling of the energy markets. The VNB is responsible for the operation, construction and maintenance of the electricity and natural gas distribution networks in the southern part of the federal country Hessen in Germany. In the Web2Energy project the VNB is responsible for the design, development, system test and trial operation of the Web2Energy control centre for smart distribution.

Verteilnetzbetreiber (VNB) = distribution network operator

Detlef Thoma (1967) studied power engineering at the University of Applied Sciences Darmstadt and was graduated engineer in 1993. He started his business carrier at HEAG Versorgungs-AG as an engineer focused on supply and basic evaluation during a period of 2 years. In 1998 he was promoted to head of "Center Odenwald" as part of the HEAG sales department. He built up the sales area in the region and some times later he has to organize the change of activities to Entega – as the new sales company of HEAG Versorgungs-AG. Therefore he developed and introduced price mechanism for offers und sales controlling. In 2003 he became head of the department "Services and Licenses" of the HEAG Südhessische Energie AG. His duties were finishing or extension of licenses with the municipalities of the supply area. In 2005 he became the head of the "Network Monitoring and multi-utility Control Centre".

Andreas Doß (1970) studied electrical engineering and energy industry at the Darmstadt University and started his professional career in 1999 at the HEAG Versorgungs-AG (power supply company) in marketing and energy consulting. After that, he acted one year in the marketing of the subsidiary ENTEGA, but returned back to HEAG Versorgungs-AG in the year 2001 as a project manager for product development and sales coordination. Since 2006 Mr. Doß is a special group manager in the workspace of the control centre in the Verteilnetzbetreiber (VNB) Rhein-Main-Neckar. In the research project Web2Energy he is assigned as project manager of the VNB part.


Frankfurter Straße 110
64293 Darmstadt