The following table sets forth the major components comprising "regulated operating expenses" under "Operating Revenue Deductions" on our consolidated statements of income for the years ended (in thousands):

	December 31,
	2015		2014		2013
Power operation expense (other than fuel)	$	18,263	$	16,089	$	15,643
Electric transmission and distribution expense		28,893		27,919		21,863
Natural gas transmission and distribution expense		2,699		2,362		2,498
Customer accounts & assistance expense		10,937		11,239		11,180
Employee pension expense(1)		10,786		10,590		10,736
Employee healthcare plan(1)		10,162		9,147		10,190
General office supplies and expense		14,438		15,024		12,850
Administrative and general expense		14,863		14,385		14,800
Bad debt expense		2,080		3,420		3,665
Regulatory reversal of gain on sale of assets		—		44		1,236
Miscellaneous expense		430		472		672

TOTAL	$	113,551	$	110,691	$	105,333

(1)Does not include the capitalized portion of actuarially calculated costs, but reflects the GAAP expensed portion of these costs plus or minus costs deferred to a regulatory asset or recognized as a regulatory liability for Missouri and Kansas jurisdictions.