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QUARTERLY OPERATING RESULTS (UNAUDITED) (Tables) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information |
|  | Quarter
Evergy |  | 1st |  | 2nd |  | 3rd |  | 4th
2020 |  | (millions, except per share amounts)
Operating revenue |  | $ | 1,116.7 |  |  | $ | 1,184.7 |  |  | $ | 1,517.6 |  |  | $ | 1,094.4 |
Operating income |  | 197.5 |  |  | 271.7 |  |  | 521.7 |  |  | 153.0 |
Net income |  | 72.2 |  |  | 136.3 |  |  | 367.5 |  |  | 54.0 |
Net income attributable to Evergy, Inc. |  | 69.4 |  |  | 133.4 |  |  | 364.5 |  |  | 51.0 |
Basic and diluted earnings per common share |  | 0.31 |  |  | 0.59 |  |  | 1.60 |  |  | 0.22 |
2019 |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,216.9 |  |  | $ | 1,221.7 |  |  | $ | 1,577.6 |  |  | $ | 1,131.6 |
Operating income |  | 209.6 |  |  | 271.7 |  |  | 538.7 |  |  | 165.8 |
Net income |  | 103.4 |  |  | 144.6 |  |  | 370.9 |  |  | 66.7 |
Net income attributable to Evergy, Inc. |  | 99.5 |  |  | 139.7 |  |  | 366.8 |  |  | 63.9 |
Basic and diluted earnings per common share |  | 0.39 |  |  | 0.57 |  |  | 1.56 |  |  | 0.28 |
|  | Quarter
Evergy Kansas Central |  | 1st |  | 2nd |  | 3rd |  | 4th
2020 |  | (millions)
Operating revenue |  | $ | 560.1 |  |  | $ | 570.8 |  |  | $ | 733.6 |  |  | $ | 553.6 |
Operating income |  | 114.5 |  |  | 121.2 |  |  | 240.7 |  |  | 90.9 |
Net income (loss) |  | 55.2 |  |  | (37.6) |  |  | 173.1 |  |  | 45.1 |
Net income (loss) attributable to Evergy Kansas Central, Inc. |  | 52.4 |  |  | (40.5) |  |  | 170.1 |  |  | 42.1 |
2019 |  |  |  |  |  |  |  |
Operating revenue |  | $ | 596.8 |  |  | $ | 585.5 |  |  | $ | 749.0 |  |  | $ | 576.1 |
Operating income |  | 124.3 |  |  | 127.6 |  |  | 242.4 |  |  | 102.2 |
Net income |  | 68.3 |  |  | 67.2 |  |  | 168.2 |  |  | 55.4 |
Net income attributable to Evergy Kansas Central, Inc. |  | 64.4 |  |  | 62.3 |  |  | 164.1 |  |  | 52.6 |
|  | Quarter
Evergy Metro |  | 1st |  | 2nd |  | 3rd |  | 4th
2020 |  | (millions)
Operating revenue |  | $ | 375.5 |  |  | $ | 424.3 |  |  | $ | 528.5 |  |  | $ | 377.3 |
Operating income |  | 63.7 |  |  | 112.5 |  |  | 204.4 |  |  | 53.7 |
Net income |  | 25.6 |  |  | 102.9 |  |  | 147.7 |  |  | 22.5 |
2019 |  |  |  |  |  |  |  |
Operating revenue |  | $ | 425.4 |  |  | $ | 437.0 |  |  | $ | 568.8 |  |  | $ | 375.3 |
Operating income |  | 56.9 |  |  | 101.9 |  |  | 215.5 |  |  | 52.2 |
Net income |  | 16.0 |  |  | 59.4 |  |  | 151.9 |  |  | 27.9 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306 + Details
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