May 17, 2012. A consortium led by Macquarie Group has acquired the gas distribution network Open Grid Europe (OGE) from Europe's largest privately-owned provider of energy services E.ON, for €3.2 billion ($4 billion). The consortium comprising Macquarie's European Infrastructure Fund 4, Infinity Investments, British Columbia Investment Management Corporation and Munich Re's asset management unit MEAG, outbid three other groups led by France's GDF Suez, Germany's Allianz and Belgium's Fluxys.