Westar Energy has agreed to delay a request for a rate increase related to nuclear power plant upgrades as part of an agreement approved by a state commission.

The Kansas Corporation Commission on Tuesday approved a plan that would allow Westar to receive about $3.5 million in revenue related to costs that haven’t been recovered for improvements at the La Cygne power plant.

Westar also agreed not to ask for a rate increase until March. That means about two-thirds of the company’s customers who are expected to see an increase of about 16 cents on their bills won’t pay more until October 2015.

Westar Energy and Kansas City Power & Light own the plant together and need to make upgrades to comply with federal emissions rules.

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Associated Press information from: The Topeka Capital-Journal