Realgy Energy Services is a full-service energy marketer providing natural gas and electricity services.
Realgy has transferred all our DTE Customers to Michigan Natural Gas (MNG). You received a welcome letter from MNG when DTE processed your transfer.
Nothing has changed. MNG will continue to serve your account under the current terms of your Agreement with Realgy. We thank you for your many years you have allowed us to be of service. Additional information here.