| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 716a | 79a |
| Accounts receivable | 911a | 830a |
| Due from related parties | 325a | 313a |
| Other current assets | 165a | 132a |
| Property, plant and equipment | 29,093a | 26,874a |
| Other long-term assets | — | — |
| Regulatory assets | 3,503a | 3,260a |
| Deferred income tax assets | 127a | 119a |
| Intangible assets | 661a | 656a |
| Goodwill | 373a | 373a |
| Other assets | 808a | 216a |
| Total assets | 36,682a | 32,852a |
| Liabilities | — | — |
| Current liabilities | — | — |
| Short-term notes payable | 200a | 279a |
| Long-term debt payable within one year | 1,150a | 700a |
| Accounts payable and other current liabilities | 1,809a | 1,439a |
| Due to related parties | 342a | 302a |
| Long-term liabilities | — | — |
| Long-term debt | 16,329a | 14,710a |
| Regulatory liabilities | 1,476a | 908a |
| Deferred income tax liabilities | 1,452a | 1,067a |
| Other long-term liabilities | 1,751a | 1,682a |
| Total liabilities | 24,509a | 21,087a |
| Noncontrolling interest subject to redemption | 19a | 20a |
| Equity | — | — |
| Common shares | 5,713a | 5,706a |
| Additional paid-in capital | 28a | 30a |
| Retained earnings | 6,360a | 5,947a |
| Accumulated other comprehensive loss | -12a | -3a |
| Hydro One shareholders’ equity | 12,089a | 11,680a |
| Noncontrolling interest | 65a | 65a |
| Total equity | 12,154a | 11,745a |