| Assets | — | — |
| Property, plant and equipment | 25,870.38a | 25,577.6a |
| Property, plant and equipment | — | — |
| Facilities in progress | — | — |
| Construction in progress and retirement in progress | 1,456.98a | 1,290.18a |
| Suspense account for decommissioning related nuclear power facilities | 89.69a | 102.46a |
| Special account related to reprocessing of spent nuclear fuel | 330.38a | 285.96a |
| Facilities in progress | 1,877.06a | 1,678.59a |
| Property, plant and equipment | 27,747.43a | 27,256.2a |
| Less | — | — |
| Contributions in aid of construction | 445.51a | 427.94a |
| Accumulated depreciation | 19,514.51a | 19,333.13a |
| Less | 19,960.02a | 19,761.06a |
| Property, plant and equipment, net | 7,787.41a | 7,495.13a |
| Nuclear fuel | — | — |
| Loaded nuclear fuel | 81.13a | 81.1a |
| Nuclear fuel in processing | 498.23a | 496.52a |
| Nuclear fuel | 579.37a | 577.62a |
| Investments and other assets | — | — |
| Long-term investments | 136.61a | 129.77a |
| Long-term investments in subsidiaries and associates | 1,728.71a | 1,411.34a |
| Grants-in-aid receivable from Nuclear Damage Compensation and Decommissioning Facilitation Corporation | 603.53a | 864.92a |
| Reserve fund for nuclear reactor decommissioning | 673.17a | 637.8a |
| Net defined benefit asset | 186.36a | 142.55a |
| Other | 277.34a | 227.72a |
| Investments and other assets | 3,605.73a | 3,414.09a |
| Current assets | — | — |
| Cash and deposits | 1,242.54a | 717.91a |
| Notes and accounts receivable–trade and contract assets | 636.3a | 715.31a |
| Inventories | 121.62a | 109.79a |
| Other | 636.41a | 555.25a |
| Current assets | 2,636.87a | 2,098.26a |
| Less | — | — |
| Allowance for doubtful accounts | -13.89a | -22.02a |
| Current assets | 2,622.98a | 2,076.24a |
| Total assets | 14,595.48a | 13,563.09a |
| Liabilities and net assets | — | — |
| Long-term liabilities and reserves | 3,131.41a | 2,980.28a |
| Long-term liabilities and reserves | — | — |
| Other long-term liabilities | 461.13a | 391.41a |
| Provision for preparation of removal of reactor cores in the specified nuclear power facilities | 11.28a | 9.17a |
| Provision for removal of reactor cores in the specified nuclear power facilities | 160.57a | 158.78a |
| Reserve for loss on disaster | 582.84a | 500.62a |
| Reserve for nuclear damage compensation | 642.91a | 869.13a |
| Net defined benefit liability | 309.78a | 318.88a |
| Asset retirement obligations | 1,086.53a | 1,055.75a |
| Long-term liabilities and reserves | 6,386.45a | 6,284.02a |
| Current liabilities | — | — |
| Current portion of long-term debt | 532.95a | 593.04a |
| Short-term loans | 2,636.22a | 2,183.11a |
| Notes and accounts payable-trade | 388.92a | 575.78a |
| Accrued taxes | 90.08a | 47.68a |
| Other | 1,022.84a | 757.5a |
| Current liabilities | 4,671.01a | 4,157.1a |
| Total liabilities | 11,057.46a | 10,441.12a |
| Net assets | — | — |
| Shareholders’ equity | — | — |
| Common stock, without par value | 900.98a | 900.98a |
| Preferred stock | 500a | 500a |
| Capital surplus | 756.32a | 756.22a |
| Retained earnings | 1,108.86a | 840.87a |
| Treasury stock, at cost | -8.52a | -8.49a |
| Total shareholders’ equity | 3,257.63a | 2,989.57a |
| Accumulated other comprehensive income | — | — |
| Valuation difference on available-for-sale securities | 27.32a | 10.16a |
| Deferred gains or losses on hedges | 39.84a | 23.6a |
| Land revaluation loss | -2.93a | -2.79a |
| Foreign currency translation adjustments | 169.57a | 88.32a |
| Remeasurements of defined benefit plans | 19.82a | -13.47a |
| Total accumulated other comprehensive income | 253.63a | 105.82a |
| Non-controlling interests | 26.76a | 26.57a |
| Total net assets | 3,538.02a | 3,121.96a |
| Total liabilities and net assets | 14,595.48a | 13,563.09a |