The utility provider Xcel Energy says its facilities appeared have played a role in igniting a massive wildfire in the Texas Panhandle that grew to the largest blaze in state history. The provider made the statement in a news release Thursday. Texas officials have said they are still investigating the cause of the fire that has burned nearly 1,700 square miles and destroyed hundreds of structures. The Minnesota-based company also said in the statement that it disputes claims that “it acted negligently” in maintaining and operating infrastructure.