| Assets | — | — |
| Fixed assets | 2,995,032a | 2,785,551a |
| Electric power business fixed assets | 1,085,212a | 1,092,687a |
| Hydroelectric power facilities | 383,092a | 378,572a |
| Thermal power facilities | 343,141a | 364,877a |
| New energy and other power generation facilities | 132,060a | 118,762a |
| Transmission facilities | 132,446a | 136,104a |
| Substation facilities | 32,752a | 33,506a |
| Communications facilities | 6,594a | 6,523a |
| Business facilities | 55,125a | 54,340a |
| Overseas business fixed assets | 529,667a | 463,421a |
| Other fixed assets | 89,404a | 89,664a |
| Fixed assets suspense account | 693,372a | 576,118a |
| Construction in progress | 693,372a | 576,118a |
| Nuclear fuel | 77,556a | 77,101a |
| Nuclear fuel in processing, etc. | 77,556a | 77,101a |
| Investments and other assets | 519,818a | 486,557a |
| Long-term investments | 439,466a | 410,175a |
| Retirement benefit assets | 25,771a | 18,157a |
| Deferred tax assets | 32,939a | 41,766a |
| Other | 21,713a | 16,545a |
| Allowance for doubtful accounts (credit) | -71a | -87a |
| Current assets | 673,708a | 690,254a |
| Cash and deposits | 308,995a | 278,814a |
| Notes and accounts receivable and contract assets | 112,210a | 98,119a |
| Short-term investments | 107,464a | 153,146a |
| Inventories | 72,191a | 80,059a |
| Other | 72,849a | 80,118a |
| Allowance for doubtful accounts (credit) | -3a | -3a |
| Total assets | 3,668,740a | 3,475,805a |
| Liabilities | — | — |
| Non-current liabilities | 1,791,881a | 1,793,412a |
| Bonds | 652,987a | 729,086a |
| Long-term loans payable | 998,134a | 932,304a |
| Lease liabilities | 2,035a | 1,210a |
| Other provisions | 126a | 26a |
| Retirement benefit liabilities | 29,065a | 31,707a |
| Asset retirement obligations | 39,153a | 34,465a |
| Deferred tax liabilities | 28,575a | 27,677a |
| Other | 41,803a | 36,934a |
| Current liabilities | 413,357a | 349,257a |
| Non-current liabilities due within one year | 221,532a | 196,448a |
| Short-term loans payable | 8,133a | 8,031a |
| Notes and accounts payable | 61,997a | 52,379a |
| Accrued taxes | 26,228a | 27,745a |
| Other provisions | 848a | 646a |
| Asset retirement obligations | 599a | 528a |
| Other | 94,017a | 63,478a |
| Total liabilities | 2,205,238a | 2,142,670a |
| Net assets | — | — |
| Shareholders' equity | 1,111,520a | 1,038,258a |
| Capital stock | 180,502a | 180,502a |
| Capital surplus | 128,178a | 128,178a |
| Retained earnings | 803,189a | 729,940a |
| Treasury stock | -349a | -362a |
| Accumulated other comprehensive income | 224,513a | 177,720a |
| Valuation difference on available-for-sale securities | 30,817a | 26,855a |
| Deferred hedge gains (losses) | 16,408a | 15,434a |
| Foreign currency translation adjustment | 165,112a | 119,358a |
| Accumulated adjustments for retirement benefits | 12,174a | 16,072a |
| Noncontrolling interests | 127,467a | 117,156a |
| Total net assets | 1,463,502a | 1,333,135a |
| Total liabilities and net assets | 3,668,740a | 3,475,805a |