CenterPoint Energy Winter Storm Enzo Update: More than 99.9 percent of customers continue to have power across Greater Houston area; Crews continuing to respond to scattered customer outages and prepare for coldest overnight temperatures of the year

Winter Storm Enzo Impact and Response - Over 99.9% of CenterPoint's customers in the Greater Houston area continue to have power as of 9 p.m. on Tuesday, with normal electric service maintained [1] - Approximately 28,500 customers have been restored since midnight, with crews addressing scattered outages caused by Winter Storm Enzo [1][2] - CenterPoint mobilized 3,000 local frontline workers, contractors, and mutual aid personnel to respond to the storm, with mutual aid workers now released to return to their home states [2][6] Preparation and Mitigation Efforts - CenterPoint's preparation plan significantly mitigated the number of overall outages during Winter Storm Enzo, with the company remaining vigilant for potential overnight impacts [3] - The company deployed four small temporary generation units to provide power to local warming centers amid freezing temperatures [6] - CenterPoint coordinated with government officials, providing regular updates on preparation and response activities to ensure customer support [6] Customer Communication and Resources - CenterPoint encourages electric customers to enroll in the Power Alert Service® for outage details, estimated restoration times, and customer-specific updates via phone, text, or email [4] - The company's cloud-based Outage Tracker, available in English and Spanish, allows customers to view outages by county, city, and zip code [4] - Customers can access the latest information on preparedness, safety tips, and the 2025 Winter Energy Guide at CenterPointEnergy.com/StormCenter or follow @CenterPoint_TX for updates [5][6] Critical Care and Community Support - CenterPoint conducted outreach to Critical Care Residential and Chronic Condition Residential electric customers via email, phone, and/or text to ensure their needs were addressed [6] - The company shared safety and preparedness information with customers through direct outreach, social media, and other platforms [6]