FacebookTwitterEmail The Texas grocery chain felt a statewide stress as the communities it serves were left without basic necessities, like power and water. While H-E-B worked to keep stores running, some locations experienced rolling energy outages as well, causing an interruption in the supply chain. H-E-B adjusted by changing store hours and adding to a product limit list that's been used throughout the coronavirus pandemic.Courtesy, H-E-B/Ben Porter Update: H-E-B's product limit list frequently changes as the store helps Texans recover from last week's winter storm. The grocer keeps customers up to date through an online portal showing which items are subject to restricted purchasing limits.