Revenue (Tables)

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Evergy's, Westar Energy's and KCP&L's revenues disaggregated by customer class are summarized in the following tables.

Three Months Ended September 30, 2018	Evergy		Westar Energy		KCP&L
Revenues	(millions)
Residential	$	647.1	$	270.5	$	243.5
Commercial	530.5		217.4		231.1
Industrial	173.4		111.9		39.1
Other retail	10.9		5.4		2.7
Total electric retail	$	1,361.9	$	605.2	$	516.4
Wholesale	118.5		82.4		29.9
Transmission	80.6		72.2		3.8
Industrial steam and other	6.0		1.5		0.7
Total revenue from contracts with customers	$	1,567.0	$	761.3	$	550.8
Other	15.5		3.5		8.8
Operating revenues	$	1,582.5	$	764.8	$	559.6
Year to Date September 30, 2018	Evergy		Westar Energy		KCP&L(a)
Revenues	(millions)
Residential	$	1,169.4	$	671.9	$	585.4
Commercial	945.0		542.8		609.2
Industrial	375.5		297.2		105.4
Other retail	21.5		15.3		7.7
Total electric retail	$	2,511.4	$	1,527.2	$	1,307.7
Wholesale	302.4		263.7		38.5
Transmission	227.6		216.3		11.0
Industrial steam and other	10.0		4.6		3.0
Total revenue from contracts with customers	$	3,051.4	$	2,011.8	$	1,360.2
Other	24.7		4.1		48.7
Operating revenues	$	3,076.1	$	2,015.9	$	1,408.9

^(a) KCP&L amounts are included in consolidated Evergy from the date of the closing of the merger, June 4, 2018, through September 30, 2018.