Rough Waters Shut MI Reactors

Wednesday, November 5, 2014 @ 08:11 AM gHale

Roiling water on Lake Michigan forced a shutdown of the two reactors at the Donald C. Cook Nuclear Plant in southwestern Michigan.

Indiana Michigan Power says Unit 1 went back into service about noon Monday and Unit 2 should be back in service soon.

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The company says it shut the generators early Saturday after excessive debris from large lake swells damaged several water screens. The screens remove debris carried in through three 16-foot cooling water intake tunnels for the plant in Berrien County’s Lake Township.

The power company says the “conservative decision” to remove the units from service occurred when there was no guarantee there could be an adequate cooling water supply to the non-nuclear side of the plant. Both units, however, were “in a safe and stable condition.”

Indiana Michigan Power says there was no interruption of service to customers.

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