FILE - This May 20, 2012 file photo shows one of the major transmission lines that runs to the west of Albuquerque, N.M. Ahead of hearings that will begin in May 2021, consumer advocacy groups, environmentalists and the New Mexico attorney general's office expressed concerns about a multibillion-dollar merger of the state's largest electric utility with a U.S. subsidiary of global renewable energy giant Iberdrola. (AP Photo/Susan Montoya Bryan, File)
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