LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Debt

The Evergy Companies' long-term debt is detailed in the following tables.

December 31, 2019	Issuing Entity	Year Due	Evergy			Evergy Kansas Central			Evergy Metro
Mortgage Bonds			(millions)
5.10% Series	Evergy Kansas Central, Inc.	2020	$	250.0		$	250.0		$	—
3.25% Series	Evergy Kansas Central, Inc.	2025	250.0			250.0			—
2.55% Series	Evergy Kansas Central, Inc.	2026	350.0			350.0			—
3.10% Series	Evergy Kansas Central, Inc.	2027	300.0			300.0			—
4.125% Series	Evergy Kansas Central, Inc.	2042	550.0			550.0			—
4.10% Series	Evergy Kansas Central, Inc.	2043	430.0			430.0			—
4.625% Series	Evergy Kansas Central, Inc.	2043	250.0			250.0			—
4.25% Series	Evergy Kansas Central, Inc.	2045	300.0			300.0			—
3.25% Series	Evergy Kansas Central, Inc.	2049	300.0			300.0
6.15% Series	Evergy Kansas South, Inc.	2023	50.0			50.0			—
6.53% Series	Evergy Kansas South, Inc.	2037	175.0			175.0			—
6.64% Series	Evergy Kansas South, Inc.	2038	100.0			100.0			—
4.30% Series	Evergy Kansas South, Inc.	2044	250.0			250.0			—
2.95% EIRR bonds	Evergy Metro, Inc.	2023	79.5			—			79.5
4.125% Series	Evergy Metro, Inc.	2049	400.0			—			400.0
9.44% Series	Evergy Missouri West, Inc.	2020-2021	2.3			—			—
Pollution Control Bonds
1.39% Series(b)	Evergy Kansas Central, Inc.	2032	45.0			45.0			—
1.39% Series(b)	Evergy Kansas Central, Inc.	2032	30.5			30.5			—
1.39% Series(b)	Evergy Kansas South, Inc.	2027	21.9			21.9			—
2.50% Series	Evergy Kansas South, Inc.	2031	50.0			50.0			—
1.39% Series(b)	Evergy Kansas South, Inc.	2032	14.5			14.5			—
1.39% Series(b)	Evergy Kansas South, Inc.	2032	10.0			10.0			—
1.432% Series 2007A and 2007B(b)	Evergy Metro, Inc.	2035	146.5			—			146.5
2.75% Series 2008	Evergy Metro, Inc.	2038	23.4			—			23.4
Senior Notes
3.15% Series(g)	Evergy Metro, Inc.	2023	300.0			—			300.0
3.65% Series(g)	Evergy Metro, Inc.	2025	350.0			—			350.0
6.05% Series (5.78% rate)(a)(g)	Evergy Metro, Inc.	2035	250.0			—			250.0
5.30% Series(g)	Evergy Metro, Inc.	2041	400.0			—			400.0
4.20% Series(g)	Evergy Metro, Inc.	2047	300.0			—			300.0
4.20% Series(g)	Evergy Metro, Inc.	2048	300.0			—			300.0
8.27% Series	Evergy Missouri West, Inc.	2021	80.9			—			—
3.49% Series A	Evergy Missouri West, Inc.	2025	36.0			—			—
4.06% Series B	Evergy Missouri West, Inc.	2033	60.0			—			—
4.74% Series C	Evergy Missouri West, Inc.	2043	150.0			—			—
3.74% Series	Evergy Missouri West, Inc.	2022	100.0			—			—
4.85% Series	Evergy, Inc.(f)	2021	350.0			—			—
5.292% Series	Evergy, Inc.(f)	2022	287.5			—			—
2.45% Series	Evergy, Inc.	2024	800.0			—			—
2.90% Series (3.77% rate)(a)	Evergy, Inc.	2029	800.0			—			—
Medium Term Notes
7.33% Series	Evergy Missouri West, Inc.	2023	3.0			—			—
7.17% Series	Evergy Missouri West, Inc.	2023	7.0			—			—
Fair value adjustment(e)			125.5			—			—
Current maturities			(251.1		)	(250.0		)	—
Unamortized debt discount and debt issuance costs			(80.7		)	(40.8		)	(24.4		)
Total excluding current maturities(d)			$	8,746.7		$	3,436.1		$	2,525.0

December 31, 2018	Issuing Entity	Year Due	Evergy			Evergy Kansas Central			Evergy Metro
Mortgage Bonds			(millions)
5.10% Series	Evergy Kansas Central, Inc.	2020	$	250.0		$	250.0		$	—
3.25% Series	Evergy Kansas Central, Inc.	2025	250.0			250.0			—
2.55% Series	Evergy Kansas Central, Inc.	2026	350.0			350.0			—
3.10% Series	Evergy Kansas Central, Inc.	2027	300.0			300.0			—
4.125% Series	Evergy Kansas Central, Inc.	2042	550.0			550.0			—
4.10% Series	Evergy Kansas Central, Inc.	2043	430.0			430.0			—
4.625% Series	Evergy Kansas Central, Inc.	2043	250.0			250.0			—
4.25% Series	Evergy Kansas Central, Inc.	2045	300.0			300.0			—
6.70% Series	Evergy Kansas South, Inc.	2019	300.0			300.0			—
6.15% Series	Evergy Kansas South, Inc.	2023	50.0			50.0			—
6.53% Series	Evergy Kansas South, Inc.	2037	175.0			175.0			—
6.64% Series	Evergy Kansas South, Inc.	2038	100.0			100.0			—
4.30% Series	Evergy Kansas South, Inc.	2044	250.0			250.0			—
2.95% EIRR bonds	Evergy Metro, Inc.	2023	79.5			—			79.5
7.15% Series 2009A (8.59% rate)(a)	Evergy Metro, Inc.	2019	400.0			—			400.0
9.44% Series	Evergy Missouri West, Inc.	2019-2021	3.4			—			—
Pollution Control Bonds
2.46% Series(b)	Evergy Kansas Central, Inc.	2032	45.0			45.0			—
2.46% Series(b)	Evergy Kansas Central, Inc.	2032	30.5			30.5			—
2.46% Series(b)	Evergy Kansas South, Inc.	2027	21.9			21.9			—
2.50% Series	Evergy Kansas South, Inc.	2031	50.0			50.0			—
2.46% Series(b)	Evergy Kansas South, Inc.	2032	14.5			14.5			—
2.46% Series(b)	Evergy Kansas South, Inc.	2032	10.0			10.0			—
1.865% Series 2007A and 2007B(b)	Evergy Metro, Inc.	2035	146.5			—			146.5
2.75% Series 2008	Evergy Metro, Inc.	2038	23.4			—			23.4
Senior Notes
3.15% Series	Evergy Metro, Inc.	2023	300.0			—			300.0
3.65% Series	Evergy Metro, Inc.	2025	350.0			—			350.0
6.05% Series (5.78% rate)(a)	Evergy Metro, Inc.	2035	250.0			—			250.0
5.30% Series	Evergy Metro, Inc.	2041	400.0			—			400.0
4.20% Series	Evergy Metro, Inc.	2047	300.0			—			300.0
4.20% Series	Evergy Metro, Inc.	2048	300.0			—			300.0
8.27% Series	Evergy Missouri West, Inc.	2021	80.9			—			—
3.49% Series A	Evergy Missouri West, Inc.	2025	36.0			—			—
4.06% Series B	Evergy Missouri West, Inc.	2033	60.0			—			—
4.74% Series C	Evergy Missouri West, Inc.	2043	150.0			—			—
4.85% Series	Evergy, Inc.(f)	2021	350.0			—			—
5.292% Series	Evergy, Inc.(f)	2022	287.5			—			—
Medium Term Notes
7.33% Series	Evergy Missouri West, Inc.	2023	3.0			—			—
7.17% Series	Evergy Missouri West, Inc.	2023	7.0			—			—
Fair value adjustment(e)			144.8			—			—
Current maturities (c)			(705.4		)	(300.0		)	(400.0		)
Unamortized debt discount and debt issuance costs			(57.2		)	(37.1		)	(19.3		)
Total excluding current maturities(d)			$	6,636.3		$	3,389.8		$	2,130.1

^(a)  Rate after amortizing gains/losses recognized in OCI on settlements of interest rate hedging instruments.

^(b)  Variable rate.

^(c)  Evergy's current maturities total as of December 31, 2018, includes $4.3 million of fair value adjustments recorded in connection with purchase accounting for the merger transaction.

^(d)  At December 31, 2019 and 2018, does not include $50.0 million and $21.9 million of secured Series 2005 Environmental Improvement Revenue Refunding (EIRR) bonds because the bonds were repurchased in September 2015 and are held by Evergy Metro.

^(e)  Represents the fair value adjustments recorded at Evergy consolidated related to the long-term debt of Great Plains Energy, Evergy Metro and Evergy Missouri West in connection with purchase accounting for the merger transaction. This amount is not part of future principal payments and will amortize over the remaining life of the associated debt instruments.

^(f)  Originally issued by Great Plains Energy but assumed by Evergy, Inc. as part of the merger transaction.

^(g)  Effectively secured pursuant to the General Mortgage Indenture and Deed of Trust dated as of December 1, 1986, as supplemented (Evergy Metro Mortgage Indenture) through the issuance of collateral mortgage bonds issued to the trustee for the unsecured senior notes in March 2019.

The following table summarizes Evergy's and Evergy Kansas Central's long-term debt of VIEs.

		December 31
	2019				2018
		(millions)
2.398% due 2021		$	51.1			$	81.4
Current maturities		(32.3		)		(30.3		)
Total excluding current maturities		$	18.8			$	51.1

Schedule of Maturities of Long-Term Debt

Evergy's, Evergy Kansas Central's and Evergy Metro's long-term debt maturities and the long-term debt maturities of VIEs for the next five years are detailed in the following table.

	2020		2021		2022		2023		2024
	(millions)
Evergy(a)	$	251.1	$	432.0	$	387.5	$	439.5	$	800.0
Evergy Kansas Central(a)	250.0		—		—		50.0		—
Evergy Metro	—		—		—		379.5		—
VIEs	32.3		18.8		—		—		—

^(a) Excludes long-term debt maturities of VIEs.