FILE - This Nov. 9, 2009, file photo, shows the coal-fired San Juan Generating Station near Farmington, N.M. New Mexico regulators are weighing plans by the state's largest electric provider to replace the capacity that'll be lost when it shutters a major coal-fired power plant in 2022. The plans call for a mix of new natural gas plants, solar arrays and battery storage. (AP Photo/Susan Montoya Bryan, File)
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