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Schedule I Financial Statements of Parent Company Statement of Cash Flows (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 7 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2019 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Evergy, Inc. |  | $ 51.0 | $ 364.5 | $ 133.4 | $ 69.4 | $ 63.9 | $ 366.8 | $ 139.7 | $ 99.5 |  | $ 618.3 | $ 669.9 | $ 535.8
Adjustments to reconcile income to net cash from operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Non-cash compensation |  |  |  |  |  |  |  |  |  |  | 16.0 | 16.3 | 29.9
Net deferred income taxes and credits |  |  |  |  |  |  |  |  |  |  | 126.9 | 121.5 | 124.2
Equity in earnings from subsidiaries |  |  |  |  |  |  |  |  |  |  | (8.3) | (9.8) | (5.4)
Other |  |  |  |  |  |  |  |  |  |  | 0.8 | (3.2) | (5.2)
Changes in working capital items: |  |  |  |  |  |  |  |  |  |  |  |  |
Prepaid expenses and other current assets |  |  |  |  |  |  |  |  |  |  | 16.9 | 43.4 | (128.1)
Accrued taxes |  |  |  |  |  |  |  |  |  |  | 6.7 | (8.2) | (76.4)
Other current liabilities |  |  |  |  |  |  |  |  |  |  | (98.9) | (59.4) | 92.0
Changes in other assets |  |  |  |  |  |  |  |  |  |  | 119.5 | 79.8 | 66.8
Cash Flows from Operating Activities |  |  |  |  |  |  |  |  |  |  | 1,753.8 | 1,749.0 | 1,497.8
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash acquired from the merger with Great Plains Energy |  |  |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 1,154.2
Proceeds from settlement of interest rate swap |  |  |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 140.6
Cash Flows from (used in) Investing Activities |  |  |  |  |  |  |  |  |  |  | (1,533.7) | (1,080.3) | 197.4
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term debt, net |  |  |  |  |  |  |  |  |  |  | (246.9) | (176.7) | (104.0)
Proceeds from long-term debt |  |  |  |  |  |  |  |  |  |  | 888.8 | 2,372.7 | 290.9
Payment for settlement of interest rate swap accounted for as a cash flow hedge | $ (69.8) |  |  |  |  |  |  |  |  |  | 0.0 | (69.8) | 0.0
Cash dividends paid |  |  |  |  |  |  |  |  |  |  | (465.0) | (462.5) | (475.0)
Repurchase of common stock |  |  |  |  |  |  |  |  |  |  | 0.0 | (1,628.7) | (1,042.3)
Other financing activities |  |  |  |  |  |  |  |  |  |  | (13.6) | (6.7) | (21.3)
Cash Flows from (used in) Financing Activities |  |  |  |  |  |  |  |  |  |  | (98.4) | (805.8) | (1,538.4)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH |  |  |  |  |  |  |  |  |  |  | 121.7 | (137.1) | 156.8
Beginning of period |  |  |  |  | 23.2 |  |  |  | 160.3 |  | 23.2 | 160.3 | 3.5
End of period |  | 144.9 |  |  |  | 23.2 |  |  |  | $ 160.3 | 144.9 | 23.2 | 160.3
Parent |  |  |  |  |  |  |  |  |  |  |  |  |
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Evergy, Inc. |  |  |  |  |  |  |  |  |  | 324.9 | 612.5 | 664.4 |
Adjustments to reconcile income to net cash from operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |
Non-cash compensation |  |  |  |  |  |  |  |  |  | 10.0 | 16.0 | 16.3 |
Net deferred income taxes and credits |  |  |  |  |  |  |  |  |  | (6.3) | 9.6 | 21.4 |
Equity in earnings from subsidiaries |  |  |  |  |  |  |  |  |  | (364.7) | (683.4) | (698.2) |
Other |  |  |  |  |  |  |  |  |  | 0.0 | 7.0 | 2.1 |
Changes in working capital items: |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable from subsidiaries |  |  |  |  |  |  |  |  |  | (8.5) | (30.0) | 8.9 |
Income taxes receivable |  |  |  |  |  |  |  |  |  | (0.2) | 0.6 | (7.8) |
Prepaid expenses and other current assets |  |  |  |  |  |  |  |  |  | (1.0) | 0.8 | (0.1) |
Accounts payable to subsidiaries |  |  |  |  |  |  |  |  |  | 4.7 | 5.0 | (15.0) |
Accrued taxes |  |  |  |  |  |  |  |  |  | (35.2) | 0.0 | 0.0 |
Accrued interest |  |  |  |  |  |  |  |  |  | (13.6) | (0.7) | 12.5 |
Other current liabilities |  |  |  |  |  |  |  |  |  | 2.4 | 2.9 | 1.7 |
Cash dividends from subsidiaries |  |  |  |  |  |  |  |  |  | 236.0 | 355.0 | 460.0 |
Changes in other assets |  |  |  |  |  |  |  |  |  | 0.1 | 0.3 | 0.2 |
Changes in other liabilities |  |  |  |  |  |  |  |  |  | 20.0 | (3.7) | (3.5) |
Cash Flows from Operating Activities |  |  |  |  |  |  |  |  |  | 168.6 | 291.9 | 462.9 |
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash acquired from the merger with Great Plains Energy |  |  |  |  |  |  |  |  |  | 1,142.2 | 0.0 | 0.0 |
Proceeds from settlement of interest rate swap |  |  |  |  |  |  |  |  |  | 140.6 | 0.0 | 0.0 |
Cash Flows from (used in) Investing Activities |  |  |  |  |  |  |  |  |  | 1,282.8 | 0.0 | 0.0 |
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES: |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term debt, net |  |  |  |  |  |  |  |  |  | (56.1) | 180.0 | 20.0 |
Proceeds from long-term debt |  |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 1,585.0 |
Payment for settlement of interest rate swap accounted for as a cash flow hedge |  |  |  |  |  |  |  |  |  | 0.0 | 0.0 | (69.8) |
Cash dividends paid |  |  |  |  |  |  |  |  |  | (245.9) | (465.0) | (462.5) |
Repurchase of common stock |  |  |  |  |  |  |  |  |  | (1,042.3) | 0.0 | (1,628.7) |
Other financing activities |  |  |  |  |  |  |  |  |  | 0.0 | (7.5) | (2.4) |
Cash Flows from (used in) Financing Activities |  |  |  |  |  |  |  |  |  | (1,344.3) | (292.5) | (558.4) |
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH |  |  |  |  |  |  |  |  |  | 107.1 | (0.6) | (95.5) |
Beginning of period |  |  |  |  | $ 11.6 |  |  |  | $ 107.1 | 0.0 | 11.6 | 107.1 |
End of period |  | $ 11.0 |  |  |  | $ 11.6 |  |  |  | $ 107.1 | $ 11.0 | $ 11.6 | $ 107.1

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