For the eighth year in a row, Coffeyville Municipal Light & Power has received first place in the Municipal Electric Systems of Oklahoma (MESO) annual electric operations and reliability competition. In 2018, CMLP had an average system availability index of 99.9989 percent. CMLP won the award in the category for cities over 10,000 population and achieved the highest reliability among MESO's four-state coverage area.

CMLP also recorded a perfect safety record in 2018, with no reportable incidents that resulted in lost or reduced duty time in over 74,500 work hours.

In 2018, there were 82 reported outages, 14 of which were due to birds. Trees accounted for 12 outages, and the weather caused 11 more. Other reasons made up the majority of the outages reported.