Our customer service center hours are 7:45AM to 5:00PM Monday-Friday and 7:45AM to 6:45PM on Wednesdays. Service Disconnections for non-payment have resumed. If you are experiencing difficulty paying your energy bill, we urge you to contact us for help by calling 210-353-2222 or online at cpsenergy.com/assistance. Stay up to date by following us on Facebook & Twitter. More info: Newsroom & Events.