The company has headquarters in Berlin and owns the high power network in eastern Germany as well as the area around Hamburg.

On 12 March 2010, Elia System Operator and Industry Funds Management acquired 50Hertz Transmission from Vattenfall.

[2] On 23 March 2018, Elia announced its decision to exercise a pre-emption right and to increase its share in Eurogrid, the holding company of 50Hertz, from 60% to 80% for a transaction price of €976.5 million.

[3] Later that year, Elia announced the closing of the transactions with IFM and the German state-owned bank Kreditanstalt für Wiederaufbau (KfW) regarding a 20% stake in Eurogrid International.

With the close of these transactions, KfW, on behalf of the German Federal Government, replaces IFM as shareholder in Eurogrid.