ALBUQUERQUE— New Mexico's largest electric utility is asking state regulators for more time to respond to a proposal by the state Environment Department that would require more emissions controls at one of its coal-fired power plants.

Public Service Company of New Mexico says in its filing with the Environmental Improvement Board that the state's plan would result in significant costs for its 500,000 customers.

PNM estimates the controls would cost the average residential customer about $90 per year for an estimated 20 years. Costs for businesses would be higher.

PNM wants an Oct. 4 public hearing on the plan delayed until next year.

The state's plan calls for installing certain equipment to meet federal regulations to address haze and improve visibility in wilderness areas and national parks.



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