| Fiscal period | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 |
|---|
| Period End Date | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 | 12/31/2011 | 12/31/2010 | 12/31/2009 | 12/31/2008 |
|---|
| Gas sales revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Electric revenues | 2,708.20 | 2,676.00 | 2,502.20 | 2,568.20 | 2,446.30 | 2,309.90 | 2,318.00 | 2,255.50 | -- | 1,670.10 |
| Electric revenues - KCP&L | -- | -- | -- | -- | -- | -- | -- | -- | 1,965.00 | -- |
| Electric revenues - Strategic Energy | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total revenues | 2,708.20 | 2,676.00 | 2,502.20 | 2,568.20 | 2,446.30 | 2,309.90 | 2,318.00 | 2,255.50 | 1,965.00 | 1,670.10 |
| Purchased power - KCP&L | -- | -- | -- | 253.30 | 125.90 | -- | -- | -- | -- | -- |
| Purchased power - Strategic Energy | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gas purchased and production expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Fuel | 608.60 | 590.10 | 421.40 | 489.20 | 539.50 | 539.50 | 483.80 | 430.70 | 405.50 | 311.40 |
| Purchased power | -- | -- | 187.30 | -- | -- | 94.00 | 203.40 | 213.80 | 183.70 | 208.90 |
| Transmission of electricity by others | 105.70 | 84.80 | 89.10 | 74.70 | 53.20 | 35.40 | -- | -- | -- | -- |
| Maintenance | 754.20 | 759.50 | 724.80 | 701.90 | 671.40 | -- | -- | -- | 599.30 | 122.50 |
| Operating expenses - KCP&L | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Depreciation and amortization | 371.10 | 344.80 | 330.40 | 306.00 | 289.70 | 272.30 | 273.10 | 331.60 | 302.20 | 235.00 |
| Skill set realignment costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Selling, general and administrative - non-regulated | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| General taxes | 229.20 | 226.70 | 213.20 | 204.60 | 194.40 | 179.30 | 170.90 | 155.10 | 139.80 | 128.10 |
| Costs to achieve the anticipated acquisition of Westar Energy, Inc | 31.80 | 34.20 | -- | -- | -- | -- | -- | -- | -- | -- |
| Other | (4.00) | (17.00) | (5.90) | (4.00) | (3.00) | (7.50) | (5.90) | (22.10) | (14.40) | (12.00) |
| Utility operating expenses | -- | -- | -- | -- | -- | (647.30) | (658.20) | (602.50) | -- | (377.20) |
| Transmission of electricity by others | -- | -- | -- | -- | -- | -- | (30.20) | (27.40) | -- | -- |
| Voluntary separation program | -- | -- | -- | -- | -- | 4.30 | (12.70) | -- | -- | -- |
| Gain (loss) on property | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Operating Expenses | 2,104.60 | 2,057.10 | 1,972.10 | 2,033.70 | 1,877.10 | 1,771.00 | 1,838.20 | 1,783.20 | 1,644.90 | 1,395.10 |
| Operating income (loss) | 603.60 | 618.90 | 530.10 | 534.50 | 569.20 | 538.90 | 479.80 | 472.30 | 320.10 | 275.00 |
| Interest charges | 290.70 | 161.50 | 199.30 | 188.50 | 198.40 | 220.80 | 218.40 | 184.80 | 180.90 | 111.30 |
| Income (loss) from equity investments | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Non-operating income | 50.70 | 17.10 | 11.70 | 25.00 | 18.40 | 7.30 | 5.90 | 43.90 | 49.50 | 31.90 |
| Non-operating expenses | (31.40) | (14.30) | (8.00) | (12.50) | (9.60) | (20.50) | (8.20) | (19.50) | (6.90) | (10.80) |
| Other income and expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Minority interest in subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Loss on extinguishment of debt | (82.80) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Loss on Series B Preferred Stock dividend make-whole provisions | (124.80) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Pre-Tax Income | 124.60 | 460.20 | 334.50 | 358.50 | 379.60 | 304.90 | 259.10 | 311.90 | 181.80 | 184.80 |
| Investment tax credit amortization | (1.40) | (1.40) | (1.40) | (1.40) | (1.70) | (2.40) | -- | -- | 35.00 | (1.80) |
| Current income taxes: Foreign | -- | -- | -- | -- | -- | -- | (0.40) | 0.10 | 1.30 | -- |
| Deferred : Federal | 223.50 | 140.60 | 96.90 | 104.20 | 109.10 | 96.30 | 90.50 | 99.80 | (13.60) | 3.30 |
| Deferred : State | 11.90 | 29.50 | 28.00 | 21.60 | 24.90 | 24.90 | 20.70 | 24.00 | 10.00 | 40.80 |
| Current : Federal | (1.70) | 0.30 | (0.20) | 0.40 | 0.30 | (3.20) | 2.90 | (7.40) | (11.10) | (21.00) |
| Current : State | 1.00 | 0.70 | (1.10) | (0.10) | (3.00) | (6.30) | (6.00) | (4.30) | (0.90) | 1.10 |
| Less: taxes on discontinued operations: Current tax (benefit) expense | -- | -- | -- | -- | -- | -- | -- | -- | (1.10) | 25.80 |
| Less: taxes on discontinued operations: Deferred tax (benefit) expense | -- | 2.50 | 0.50 | -- | 0.30 | -- | -- | -- | 0.20 | 4.50 |
| Less: Deferred taxes on early extinguishment of debt | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Noncurrent income taxes: Federal | -- | -- | -- | (2.40) | -- | (0.20) | (18.00) | (4.80) | 8.30 | (0.60) |
| Noncurrent income taxes :State | -- | -- | -- | (0.50) | (0.30) | (0.30) | (2.10) | (1.80) | 1.10 | (1.00) |
| Noncurrent income taxes: Foreign | -- | -- | -- | (6.10) | (0.40) | (4.20) | (0.60) | 0.50 | (1.50) | -- |
| Provision for Income Taxes - Total | 233.30 | 172.20 | 122.70 | 115.70 | 129.20 | 104.60 | 84.80 | 99.00 | 29.50 | 63.80 |
| Minority Interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.20 |
| Loss from equity investments, net of income taxes | 2.50 | 2.00 | 1.20 | -- | (0.20) | (0.40) | (0.10) | (1.00) | (0.40) | (1.30) |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | 174.20 | 211.90 | 151.90 | 119.50 |
| Less: Income from discontinued operations attributable to noncontrolling interest | -- | -- | -- | -- | -- | -- | -- | -- | (1.50) | 35.00 |
| Extraordinary Income (Loss) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Consolidated Net Income (Loss) | (106.20) | 290.00 | 213.00 | 242.80 | 250.20 | 199.90 | 174.20 | 211.90 | 150.40 | 154.50 |
| Less:Net income attributable to noncontrolling interest | -- | -- | -- | -- | -- | -- | (0.20) | 0.20 | 0.30 | -- |
| Preferred Stock Dividend & Other Adjustments | 37.30 | 16.50 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 |
| Net Income (Loss) available to limited partners shareholders | (143.50) | 273.50 | 211.40 | 241.20 | 248.60 | 198.30 | 172.80 | 210.10 | 148.50 | 152.90 |
| Earnings Per Share (Basic) - Cont Ops | -- | -- | -- | -- | -- | -- | 1.27 | 1.55 | 1.16 | 1.16 |
| Earnings Per Share (Basic) - Disc Ops | -- | -- | -- | -- | -- | -- | -- | -- | (0.01) | 0.35 |
| Earnings Per Share (Basic) - Acc Change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Share (Basic) - Extras | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| NET EARNINGS PER SHARE (BASIC) | (0.67) | 1.61 | 1.37 | 1.57 | 1.62 | 1.36 | 1.27 | 1.55 | 1.15 | 1.51 |
| Earnings Per Share (Diluted) - Cont Ops | -- | -- | -- | -- | -- | -- | 1.25 | 1.53 | 1.15 | 1.16 |
| Earnings Per Share (Diluted) - Disc Ops | -- | -- | -- | -- | -- | -- | -- | -- | (0.01) | 0.35 |
| Earnings Per Share (Diluted) - Acc Change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings Per Share (Diluted) - Extras | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| NET EARNINGS PER SHARE (DILUTED) | (0.67) | 1.61 | 1.37 | 1.57 | 1.62 | 1.35 | 1.25 | 1.53 | 1.14 | 1.51 |
| Weighted Average Shares Outstanding (Basic) | 215.50 | 169.40 | 154.20 | 153.90 | 153.50 | 145.50 | 135.60 | 135.10 | 129.30 | 101.10 |
| Weighted Average Shares Outstanding (Diluted) | 215.50 | 169.80 | 154.80 | 154.10 | 153.70 | 147.20 | 138.70 | 136.90 | 129.80 | 101.20 |