How to report a power outage in Texas Utility companies in Texas AEP Central: 877-373-4858 or report a power outage online at aeptexas.com AEP Texas North: 877-373-4858 or report a power outage online at aeptexas.com CenterPoint Energy: 800-332-7143 TNMP: 888-866-7456 ONCOR: 888-...