From a business risk standpoint, KCP&L Greater Missouri Operations Co.'s (GMO) smaller size and limited diversification introduce risk to the company's credit profile; GMO serves about 320,000 retail electric customers in western Missouri. However, offsetting some of this risk is the company's generally stable service territory consisting of predominantly residential and commercial customers. GMO's late-2018 approved rate case calls for a decrease to retail revenues of $24 million and a one-time bill credit of $27 million for customer benefits related to the impacts of federal tax reform. This impact comes as the company will return to retail customers about $14 million as per conditions stipulated by the Missouri commission following the merger of former parent Greater Plains Energy with Westar