
A simulated control room at the visitor’s center for the Cook Nuclear Plant in Michigan. (Photo by John Grabowski via Creative Commons)
The future of a Michigan nuclear plant lies in the hands of Indiana regulators, as they decide whether ratepayers should be responsible for funding work needed to extend the plant’s life.
The Donald C. Cook Nuclear Plant in southwest Michigan needs $1.17 billion worth of upgrades to continue operating for another two decades, according to Indiana Michigan Power (I&M), a subsidiary of American Electric Power (AEP).
In 2005 the Nuclear Regulatory Commission granted license renewals allowing the plant’s two reactors to keep running through 2034 and 2037. I&M wants to bill ratepayers for 117 separate projects it categorizes as “life cycle management” necessary to extend the reactors’ lives.
In order to undertake the upgrades, the utility needs the go-ahead from Indiana and Michigan public utility commissions agreeing that the projects are needed and that ratepayers in the two states can be billed for the work as it progresses.
In late January, the Michigan Public Service Commission decided that Michigan customers can be billed for their proportional share of up to $851 million worth of upgrades on the 35- and 29–year-old pressurized water reactors. That figure represents projects that the commission decided would fall within the state’s six year pre-approval window; and it includes a 10 percent cushion for cost overruns.
Michigan customers buy about 15 percent of the 2,100 MW plant’s power, while Indiana customers buy about 65 percent. The rest is sold on the wholesale market, according to AEP spokesperson Sarah Bodner.
The Indiana Utility Regulatory Commission is currently considering the utility’s request, with the fate of the plant essentially hanging in the balance. →