XML 75 R43.htm IDEA: XBRL DOCUMENT
v3.20.4

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Accounting Policies [Abstract] |
Schedule of Fuel Inventory and Supplies | The following table separately states the balances for fuel inventory and supplies.
| December 31
| 2020 |  | 2019
Evergy | (millions)
Fuel inventory | $ | 145.0 |  |  | $ | 146.4 |
Supplies | 359.5 |  |  | 335.2 |
Fuel inventory and supplies | $ | 504.5 |  |  | $ | 481.6 |
Evergy Kansas Central |  |  |
Fuel inventory | $ | 79.3 |  |  | $ | 80.2 |
Supplies | 197.1 |  |  | 186.2 |
Fuel inventory and supplies | $ | 276.4 |  |  | $ | 266.4 |
Evergy Metro |  |  |
Fuel inventory | $ | 44.9 |  |  | $ | 46.1 |
Supplies | 125.5 |  |  | 116.9 |
Fuel inventory and supplies | $ | 170.4 |  |  | $ | 163.0 |
Schedule of Allowance for Funds used During Construction | The amounts of the Evergy Companies' AFUDC for borrowed and equity funds are detailed in the following table.
| 2020 |  | 2019 |  | 2018
Evergy | (millions)
AFUDC borrowed funds | $ | 16.5 |  |  | $ | 14.5 |  |  | $ | 10.4 |
AFUDC equity funds | 17.2 |  |  | 2.2 |  |  | 3.1 |
Total | $ | 33.7 |  |  | $ | 16.7 |  |  | $ | 13.5 |
Evergy Kansas Central |  |  |  |  |
AFUDC borrowed funds | $ | 8.5 |  |  | $ | 7.5 |  |  | $ | 6.6 |
AFUDC equity funds | 9.1 |  |  | — |  |  | 2.9 |
Total | $ | 17.6 |  |  | $ | 7.5 |  |  | $ | 9.5 |
Evergy Metro(a) |  |  |  |  |
AFUDC borrowed funds | $ | 6.0 |  |  | $ | 4.3 |  |  | $ | 4.9 |
AFUDC equity funds | 8.0 |  |  | 2.2 |  |  | 1.4 |
Total | $ | 14.0 |  |  | $ | 6.5 |  |  | $ | 6.3 |
(a) Evergy Metro amounts are included in consolidated Evergy from June 4, 2018, the date of the closing of the merger, and thereafter. The average rates used in the calculation of AFUDC are detailed in the following table.
| 2020 |  | 2019 |  | 2018
Evergy Kansas Central | 4.7% |  | 3.0% |  | 3.3%
Evergy Metro | 5.2% |  | 4.6% |  | 3.9%
Evergy Missouri West | 3.5% |  | 3.7% |  | 2.9%
Schedule pf Depreciable Lives of Property Plant and Equipment | The depreciable lives of Evergy's, Evergy Kansas Central's and Evergy Metro's property, plant and equipment are detailed in the following table.
|  | Evergy |  |  | Evergy Kansas Central |  |  | Evergy Metro |
|  | (years) |
Generating facilities |  | 8 | to | 87 |  |  |  | 8 | to | 87 |  |  |  | 20 | to | 60 |
Transmission facilities |  | 15 | to | 94 |  |  |  | 36 | to | 94 |  |  |  | 15 | to | 70 |
Distribution facilities |  | 8 | to | 73 |  |  |  | 19 | to | 73 |  |  |  | 8 | to | 55 |
Other |  | 5 | to | 84 |  |  |  | 7 | to | 84 |  |  |  | 5 | to | 50 |
Schedule of Cash Surrender Value of Corporate Owned Life Insurance | Substantially all of Evergy's COLI-related balances relate to Evergy Kansas Central's COLI activity.
|  | December 31
|  | 2020 |  | 2019
Evergy |  | (millions)
Cash surrender value of policies |  | $ | 1,369.6 |  |  | $ | 1,370.0 |
Borrowings against policies |  | (1,237.6) |  |  | (1,237.1) |
Corporate-owned life insurance, net |  | $ | 132.0 |  |  | $ | 132.9 |
Schedule of Other Income Expense | The table below shows the detail of other expense for each of the Evergy Companies.
| 2020 |  | 2019 |  | 2018
Evergy | (millions)
Non-service cost component of net benefit cost | $ | (58.6) |  |  | $ | (55.6) |  |  | $ | (47.8) |
Other | (19.6) |  |  | (21.3) |  |  | (30.9) |
Other expense | $ | (78.2) |  |  | $ | (76.9) |  |  | $ | (78.7) |
Evergy Kansas Central |  |  |  |  |
Non-service cost component of net benefit cost | $ | (21.2) |  |  | $ | (20.1) |  |  | $ | (23.5) |
Other | (17.7) |  |  | (20.0) |  |  | (23.3) |
Other expense | $ | (38.9) |  |  | $ | (40.1) |  |  | $ | (46.8) |
Evergy Metro(a) |  |  |  |  |
Non-service cost component of net benefit cost | $ | (24.2) |  |  | $ | (20.9) |  |  | $ | (25.9) |
Other | (1.3) |  |  | (0.5) |  |  | (5.0) |
Other expense | $ | (25.5) |  |  | $ | (21.4) |  |  | $ | (30.9) |
(a) Evergy Metro amounts are only included in consolidated Evergy from June 4, 2018, the date of the closing of the merger, and thereafter.
Schedule of Earnings Per Share, Basic and Diluted | The following table reconciles Evergy's basic and diluted EPS.
| 2020 |  | 2019 |  | 2018
Income | (millions, except per share amounts)
Net income | $ | 630.0 |  |  | $ | 685.6 |  |  | $ | 546.0 |
Less: Net income attributable to noncontrolling interests | 11.7 |  |  | 15.7 |  |  | 10.2 |
Net income attributable to Evergy, Inc. | $ | 618.3 |  |  | $ | 669.9 |  |  | $ | 535.8 |
Common Shares Outstanding |  |  |  |  |
Weighted average number of common shares outstanding - basic | 227.2 |  |  | 239.5 |  |  | 213.9 |
Add: effect of dilutive securities | 0.3 |  |  | 0.4 |  |  | 0.2 |
Diluted average number of common shares outstanding | 227.5 |  |  | 239.9 |  |  | 214.1 |
Basic EPS | $ | 2.72 |  |  | $ | 2.80 |  |  | $ | 2.50 |
Diluted EPS | $ | 2.72 |  |  | $ | 2.79 |  |  | $ | 2.50 |
Supplemental Cash Flow Information | Supplemental Cash Flow Information
Year Ended December 31 |  | 2020 |  | 2019 |  | 2018
Evergy |  | (millions)
Cash paid for (received from): |  |  |  |  |  |
Interest, net of amount capitalized |  | $ | 367.6 |  |  | $ | 329.5 |  |  | $ | 255.9 |
Interest of VIEs |  | 0.8 |  |  | 1.6 |  |  | 2.3 |
Income taxes, net of refunds |  | (46.5) |  |  | (5.2) |  |  | (0.9) |
Non-cash investing transactions: |  |  |  |  |  |
Property, plant and equipment additions (reductions) |  | 463.3 |  |  | 186.0 |  |  | (7.8) |
Non-cash financing transactions: |  |  |  |  |  |
Issuance of stock for compensation and reinvested dividends |  | 0.9 |  |  | (0.3) |  |  | 0.5 |
Year Ended December 31 |  | 2020 |  | 2019 |  | 2018
Evergy Kansas Central |  | (millions)
Cash paid for (received from): |  |  |  |  |  |
Interest, net of amount capitalized |  | $ | 157.5 |  |  | $ | 143.0 |  |  | $ | 155.3 |
Interest of VIEs |  | 0.8 |  |  | 1.6 |  |  | 2.3 |
Income taxes, net of refunds |  | 4.7 |  |  | 29.9 |  |  | 37.5 |
Non-cash investing transactions: |  |  |  |  |  |
Property, plant and equipment additions (reductions) |  | 235.4 |  |  | 92.1 |  |  | (32.5) |
Year Ended December 31 |  | 2020 |  | 2019 |  | 2018
Evergy Metro(a) |  | (millions)
Cash paid for (received from): |  |  |  |  |  |
Interest, net of amount capitalized |  | $ | 109.9 |  |  | $ | 118.4 |  |  | $ | 129.4 |
Income taxes, net of refunds |  | 4.8 |  |  | 77.0 |  |  | 31.2 |
Non-cash investing transactions: |  |  |  |  |  |
Property, plant and equipment additions |  | 192.5 |  |  | 80.7 |  |  | 19.2 |
(a) Evergy Metro amounts are included in consolidated Evergy from June 4, 2018, the date of the closing of the merger, and thereafter.

X
- Definition Cash surrender value of corporate owned life insurance [Table Text Block] + References No definition available. + Details
Name: | evrg_CashSurrenderValueOfCorporateOwnedLifeInsuranceTableTextBlock
Namespace Prefix: | evrg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Depreciable Lives of Property Plant and Equipment [Table Text Block] + References No definition available. + Details
Name: | evrg_DepreciableLivesofPropertyPlantandEquipmentTableTextBlock
Namespace Prefix: | evrg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Allowance For Funds Used During Construction [Table Text Block] + References No definition available. + Details
Name: | evrg_ScheduleOfAllowanceForFundsUsedDuringConstructionTableTextBlock
Namespace Prefix: | evrg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration