SHORT-TERM BORROWINGS AND SHORT-TERM BANK LINES OF CREDIT (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of short-term debt

The following table summarizes the committed credit facilities (excluding receivable sale facilities discussed in Note 3 and Evergy's term loan credit agreement discussed below) available to the Evergy Companies as of March 31, 2019 and December 31, 2018.

			Amounts Drawn
	Credit Facility		Commercial Paper		Letters of Credit		Cash Borrowings		Available Borrowings		Weighted Average Interest Rate on Short-Term Borrowings
March 31, 2019	(millions)
Evergy, Inc.	$	450.0	n/a		$	1.0	$	100.0	$	349.0	3.73%
Westar Energy	1,000.0		413.8		18.3		—		567.9		2.77%
KCP&L	600.0		176.0		2.7		—		421.3		2.89%
GMO	450.0		121.2		2.1		—		326.7		2.75%
Evergy	$	2,500.0	$	711.0	$	24.1	$	100.0	$	1,664.9
December 31, 2018
Evergy, Inc.	$	450.0	n/a		$	1.0	$	—	$	449.0	—%
Westar Energy	1,000.0		411.7		18.3		—		570.0		3.08%
KCP&L	600.0		176.9		2.7		—		420.4		2.95%
GMO	450.0		150.0		2.1		—		297.9		3.00%
Evergy	$	2,500.0	$	738.6	$	24.1	$	—	$	1,737.3