All Flint Energies payment gateways (i.e., kiosks, member portal, mobile app, etc.) will be temporarily unavailable for 24 hours between Monday, December 31, 2018 at 1 p.m. and Tuesday, January 1, 2019 at 1 p.m. Thank you for your patience as Flint performs necessary year-end system maintenance. We apologize for the inconvenience.