DTE Energy has agreed to sell its non-utility DTE Vantage business, including the EES Coke Battery installation on Zug Island (pictured), for approximately $3 billion to institutional investors advised by the Global Infrastructure group at J.P. Morgan Asset Management. // Photo courtesy of DTE Vantage DTE Energy in Detroit has agreed to sell its non-utility DTE Vantage business for approximately $3 billion to institutional investors advised by t…