“Our imperative is heightened by increasing customer demand for environmentally sustainable destinations. “It is our objective to reduce MGM’s environmental impact by decreasing the use of energy and aggressively pursuing renewable energy sources,” he said in the letter to the PUC. In a letter to the commission, John McManus, MGM executive vice president, said the company will proceed to exit as a customer. The company will have to pay an exit fee of $86.9 million for the privilege of leaving. In a letter to the state Public Utilities Commission, the gaming company said it plans to leave as a customer of Nevada Power by Oct. CARSON CITY - Las Vegas gaming giant MGM Resorts International told state regulators on Thursday that it will exercise its option to exit as a customer of Nevada Power and purchase its own electricity on the wholesale market.