More than 20,000 customer power outages were reported by AEP Texas just before midnight on Thursday.
Severe thunderstorms pummeled Hidalgo County most of the evening.
Hurricane force winds, large hail and flooding caused major problems.
The electricity outages were centered in Hidalgo County.
The number of customers without power rose to 20,355, according to statistics reported by AEP Texas.
Anyone experiencing problems is urged to contact 1-866-223-8508.