Amprion GmbH is an important transmission system operator in Europe and operates a german extra-high voltage grid with a length of 11.000 km. A population of over 27 million is supplied through Amprion's grid from Lower Saxony down to the Alps. Being an innovative service provider, Amprion provides industrial customers and network partners with an utmost of supply security. The network with the voltage levels of 380.000 and 220.000 volt is accessible to all players in the electricity market on a non-discriminating basis and at competitive and transparent terms. Moreover, Amprion is responsible for one of the largest grid areas in Europe and assumes an important task in the european interconnected system.