| Operating Revenues | 2.04B |
| Operating Expenses: | |
| Fuel, Purchased and Net Interchange Power | 665.81M |
| Other Operating Expenses | |
| Maintenance | |
| Depreciation | 181.29M |
| Amortization of Regulatory Assets/(Liabilities), Net | 43.94M |
| Amortization of Rate Reduction Bonds | |
| Taxes Other Than Income Taxes | 164.94M |
| Total Operating Expenses | 1.53B |
| Operating Income | 509.87M |
| Interest Expense: | |
| Interest on Long-Term Debt | |
| Interest on Rate Reduction Bonds | |
| Other Interest | |
| Total Interest Expense | 99.87M |
| Other Income/(Loss), Net | |
| Income Before Income Tax Expense | 423.65M |
| Income Tax Expense | 156.45M |
| Net Income | 267.2M |
| Net Income Attributable to Noncontrolling Interests | 1.9M |
| Net Income Attributable to Controlling Interests | 265.3M |
| Earnings Per Share Basic And Diluted | |
| Common Stock Dividends Per Share Declared | 0.45 |
| Basic | 317.79M |
| Diluted | 318.58M |
| Operating Revenues | 760.04M |
| Operating Expenses: | |
| Fuel, Purchased and Net Interchange Power | 253.51M |
| Other Operating Expenses | |
| Maintenance | |
| Depreciation | 57.68M |
| Amortization of Regulatory Assets/(Liabilities), Net | 23.42M |
| Amortization of Rate Reduction Bonds | |
| Taxes Other Than Income Taxes | 81.95M |
| Total Operating Expenses | 583.97M |
| Operating Income | 176.07M |
| Interest Expense: | |
| Interest on Long-Term Debt | |
| Interest on Rate Reduction Bonds | |
| Other Interest | |
| Total Interest Expense | 36.08M |
| Other Income/(Loss), Net | |
| Income Before Income Tax Expense | 143.66M |
| Income Tax Expense | 57.03M |
| Net Income | 86.63M |
| Operating Revenues | 780.46M |
| Operating Expenses: | |
| Fuel, Purchased and Net Interchange Power | 291.38M |
| Other Operating Expenses | |
| Maintenance | |
| Depreciation | 54.7M |
| Amortization of Regulatory Assets/(Liabilities), Net | 9.62M |
| Amortization of Rate Reduction Bonds | |
| Taxes Other Than Income Taxes | 35.05M |
| Total Operating Expenses | 571.75M |
| Operating Income | 208.72M |
| Interest Expense: | |
| Interest on Long-Term Debt | |
| Interest on Rate Reduction Bonds | |
| Other Interest | |
| Total Interest Expense | 21.1M |
| Other Income/(Loss), Net | |
| Income Before Income Tax Expense | 192.64M |
| Income Tax Expense | 75.44M |
| Net Income | 117.2M |
| Operating Revenues | 266.95M |
| Operating Expenses: | |
| Fuel, Purchased and Net Interchange Power | 59.83M |
| Other Operating Expenses | |
| Maintenance | |
| Depreciation | 29.65M |
| Amortization of Regulatory Assets/(Liabilities), Net | 14.16M |
| Amortization of Rate Reduction Bonds | |
| Taxes Other Than Income Taxes | 20.46M |
| Total Operating Expenses | 192.26M |
| Operating Income | 74.68M |
| Interest Expense: | |
| Interest on Long-Term Debt | |
| Interest on Rate Reduction Bonds | |
| Other Interest | |
| Total Interest Expense | 12.4M |
| Other Income/(Loss), Net | |
| Income Before Income Tax Expense | 62.86M |
| Income Tax Expense | 24.35M |
| Net Income | 38.52M |