| Fiscal period | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |
|---|
| Period End Date | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 | 12/31/2011 |
|---|
| Operating Revenues | 7,241.70 | 7,523.10 | 7,679.50 | 7,648.50 | 7,472.30 | 5,926.10 | 4,997.10 | 4,519.00 | 4,246.40 | 4,486.40 |
| Operating Revenues : Utility energy | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Revenues : Non-utility energy | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Revenues : Other | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Revenues : Manufacturing | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total revenues | 7,241.70 | 7,523.10 | 7,679.50 | 7,648.50 | 7,472.30 | 5,926.10 | 4,997.10 | 4,519.00 | 4,246.40 | 4,486.40 |
| COST OF GOODS SOLD | 2,319.50 | 2,678.80 | 2,897.90 | 2,822.80 | 2,647.40 | 2,240.10 | 2,259.40 | 1,827.10 | 545.80 | -- |
| Cost of gas sold | -- | -- | -- | -- | -- | -- | -- | -- | -- | 728.70 |
| Fuel and Purchased Power | -- | -- | -- | -- | -- | -- | -- | -- | 1,098.60 | 1,169.70 |
| Other operation and maintenance | 2,032.20 | 2,184.80 | 2,270.50 | 2,056.10 | 2,171.30 | 1,709.30 | 1,112.40 | 1,155.00 | 1,116.10 | 1,256.80 |
| Depreciation, decommissioning and amortization | 975.90 | 926.30 | 845.80 | 798.60 | 762.60 | 561.80 | 391.40 | 340.10 | 364.20 | 330.20 |
| Property and revenue taxes | 208.00 | 201.80 | 196.90 | 194.90 | 194.70 | 164.40 | 121.80 | 116.70 | 121.40 | 113.70 |
| Asset valuation charges ,net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Amortization of gain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Treasury Grant | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 | -- |
| Total Operating Expenses | 5,535.60 | 5,991.70 | 6,211.10 | 5,872.40 | 5,776.00 | 4,675.60 | 3,885.00 | 3,438.90 | 3,246.10 | 3,599.10 |
| Operating income (loss) | 1,706.10 | 1,531.40 | 1,468.40 | 1,776.10 | 1,696.30 | 1,250.50 | 1,112.10 | 1,080.10 | 1,000.30 | 887.30 |
| Interest expense | 493.70 | 501.50 | 445.10 | 415.70 | 402.70 | 331.40 | 240.30 | 250.90 | 248.20 | 235.80 |
| Interest expense : Allowance for borrowed funds used during construction | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain (loss) on asset sales | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| DISTRIBUTIONS ON PREFERRED SECURITIES OF SUBSIDIARY TRUST | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred dividend requirement of subsidiary | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Equity in earnings of unconsolidated affiliates | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Equity in Earnings of Transmission Affiliate | 175.80 | 127.60 | 136.70 | 154.30 | 146.50 | 96.10 | 66.00 | 68.50 | 65.70 | 62.50 |
| Interest income | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| AFUDC-equity | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Allowance for other funds used during construction | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other income, net | 79.50 | 102.20 | 70.30 | 73.70 | 66.60 | 58.90 | 13.40 | 18.80 | 34.80 | 62.70 |
| Loss on debt extinguishment | (38.40) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Pre-Tax Income | 1,429.30 | 1,259.70 | 1,230.30 | 1,588.40 | 1,506.70 | 1,074.10 | 951.20 | 916.50 | 852.60 | 776.70 |
| Provision for Income taxes | 227.90 | 125.00 | 169.80 | 383.50 | 566.50 | 433.80 | 361.70 | 337.90 | 306.30 | 263.90 |
| Current tax expense | 49.20 | (37.90) | (127.50) | 111.80 | 72.70 | 15.10 | 33.60 | 25.20 | 13.10 | (166.70) |
| Deferred income taxes, net | 182.20 | 167.70 | 300.10 | 274.40 | 498.70 | 420.40 | 329.20 | 313.80 | 294.40 | 434.80 |
| Investment tax credit, net | (3.50) | (4.80) | (2.80) | -- | -- | (1.70) | (1.10) | (1.10) | (1.20) | (4.20) |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 512.80 |
| Less: Income from discontinued operations attributable to noncontrolling interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income from Discontinued Operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 13.40 |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income | 1,201.40 | 1,134.70 | 1,060.50 | 1,204.90 | 940.20 | 640.30 | 589.50 | 578.60 | -- | -- |
| Net loss attributed to noncontrolling interests | 0.30 | (0.50) | -- | 0.00 | -- | -- | -- | -- | -- | -- |
| Preferred stock dividends of subsidiaries | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.80 | 1.20 | 1.20 | -- | -- |
| Net Income (Loss) available to limited partners shareholders | 1,199.90 | 1,134.00 | 1,059.30 | 1,203.70 | 939.00 | 638.50 | 588.30 | 577.40 | 546.30 | 526.20 |
| Earnings Per Share (Basic) - Cont Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2.20 |
| Earnings Per Share (Basic) - Disc Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.06 |
| NET EARNINGS PER SHARE (BASIC) | 3.80 | 3.60 | 3.36 | 3.81 | 2.98 | 2.36 | 2.61 | 2.54 | 2.37 | 2.26 |
| Earnings Per Share (Diluted) - Cont Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2.18 |
| Earnings Per Share (Diluted) - Disc Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.06 |
| NET EARNINGS PER SHARE (DILUTED) | 3.79 | 3.58 | 3.34 | 3.79 | 2.96 | 2.34 | 2.59 | 2.51 | 2.35 | 2.24 |
| Weighted Average Shares Outstanding (Basic) | 315.40 | 315.40 | 315.50 | 315.60 | 315.60 | 271.10 | 225.60 | 227.60 | 230.20 | 232.60 |
| Weighted Average Shares Outstanding (Diluted) | 316.50 | 316.70 | 316.90 | 317.20 | 316.90 | 272.70 | 227.50 | 229.70 | 232.80 | 235.40 |