• This Nov. 2, 2007, image shows the Palo Verde Nuclear Generating Station in Wintersburg, Ariz. The value of power purchased from one of the plant's units by Public Service Co. of New Mexico has come into question as the New Mexico utility seeks a rate hike for its customers. (AP Photo/Ross D. Franklin)

    Value of nuclear power up for debate in New Mexico rate case

    ALBUQUERQUE, N.M. (AP) — Discrepancies over the value of electricity purchased from a nuclear-fired power plant in Arizona has interrupted proceedings related to a request by New Mexico’s largest electric utility to raise rates for more than a half-million customers.