| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 12a | 5a |
| Accounts receivable, net | 456a | 414a |
| Inventories, at average cost | — | — |
| Materials and supplies | 92a | 83a |
| Fuel | 22a | 30a |
| Regulatory assets-current | 205a | 221a |
| Other current assets | 238a | 182a |
| Total current assets | 1,025a | 935a |
| Electric utility plant | — | — |
| In service | 14,863a | 13,329a |
| Accumulated depreciation and amortization | -5,085a | -4,757a |
| In service, net | 9,778a | 8,572a |
| Construction work-in-progress | 567a | 974a |
| Electric utility plant, net | 10,345a | 9,546a |
| Regulatory assets-noncurrent | 632a | 492a |
| Nuclear decommissioning trust | 30a | 31a |
| Non-qualified benefit plan trust | 34a | 35a |
| Other noncurrent assets | 478a | 169a |
| Total assets | 12,544a | 11,208a |
| Liabilities and shareholders’ equity | — | — |
| Current liabilities | — | — |
| Accounts payable | 365a | 347a |
| Liabilities from price risk management activities-current | 147a | 164a |
| Short-term debt | | 146a |
| Current portion of long-term debt | 170a | 80a |
| Current portion of finance lease obligations | 27a | 20a |
| Accrued expenses and other current liabilities | 410a | 355a |
| Total current liabilities | 1,119a | 1,112a |
| Long-term debt, net of current portion | 4,354a | 3,905a |
| Regulatory liabilities-noncurrent | 1,440a | 1,398a |
| Deferred income taxes | 564a | 488a |
| Deferred investment tax credits | 61a | |
| Unfunded status of pension and postretirement plans | 140a | 172a |
| Liabilities from price risk management activities-noncurrent | 72a | 75a |
| Asset retirement obligations | 292a | 272a |
| Non-qualified benefit plan liabilities | 74a | 79a |
| Finance lease obligations, net of current portion | 276a | 289a |
| Other noncurrent liabilities | 358a | 99a |
| Total liabilities | 8,750a | 7,889a |
| Shareholders’ equity | — | — |
| Preferred stock | | |
| Common stock | 2,118a | 1,750a |
| Accumulated other comprehensive loss | -4a | -5a |
| Retained earnings | 1,680a | 1,574a |
| Total shareholders’ equity | 3,794a | 3,319a |
| Total liabilities and shareholders’ equity | 12,544a | 11,208a |