You could probably check for a control channel by making your scanner as deaf as possible and drive by the substation east of Marshall School Rd on 24 highway and see if you can snag activity in the 152-153 MHz range.
Example: WPVM853 Kansas City Power and Light Company FRN: 0003611720
Market BEA099 - Kansas City, MO-KS
Channel Block: FA
Associated Frequencies (MHz) 000158.47500000-000158.50500000
They are also using some FB8 YG licenses in certain areas where they are able to get clearance.