Homes stand south of land where a proposed data center in Barrington Hills was set to be located. (Paul Valade - Daily Herald Media Group)A real estate developer has withdrawn a $2 billion proposal to build a data center in Barrington Hills, officials announced. The plan, which had faced significant opposition from residents, focused on land south of Penny Road and west of Pond Gate Drive. “We cannot allow this proposal to compromise the very essence of what makes Barrington Hills a special place,” according to the petition. “Our community must come together to oppose this development and protect our environmental heritage.”Brennan is behind data center developments in Elk Grove Village and Rolling Meadows, documents show.