System Maintenance: Please note starting on Saturday September 21 from 7:00 PM through Sunday, September 22 at 5:00 AM we will be experiencing planned customer information system maintenance and will only be able to process gas and electric emergency-related calls by calling 210-353-HELP (4357) or 1-800-870-1006. EZ Pay credit card payment processing, Manage My Account, customer alert notifications, all web portals, and our automated phone system will be unavailable.