| Cash and cash equivalents | 293.7a | 236.2a |
| Trade and other accounts receivable and prepayments | 425.2a | 472.6a |
| Electricity market security deposits | 26.2a | 30a |
| Derivative financial instruments | 80.5a | 116.3a |
| Inventories | 42.6a | 46.2a |
| Income tax receivable | 0.2a | 10.7a |
| Assets held for sale | 140.1a | 167.9a |
| Current assets | 1,008.5a | 1,079.9a |
| Trade and other accounts receivable and prepayments | 120a | 77.5a |
| Property, plant and equipment | 5,047.3a | 4,763.8a |
| Investment properties | 103.1a | 125.2a |
| Right of use assets | 1,130.1a | 1,094.9a |
| Derivative financial instruments | 93.2a | 77.4a |
| Intangible assets | 811.9a | 844.9a |
| Goodwill | 4,682a | 4,677a |
| Investments in associates | 3,803.1a | 2,519.3a |
| Shareholder loans to associates | 245.7a | 271.4a |
| Other investments | 198a | 192.9a |
| Non-current assets | 16,234.4a | 14,644.3a |
| Total assets | 17,242.9a | 15,724.2a |
| Accounts payable, accruals and other liabilities | 862.1a | 890.3a |
| Interest bearing loans and borrowings | 105.4a | 269.6a |
| Lease liabilities | 82.7a | 81.4a |
| Derivative financial instruments | 132.4a | 90.2a |
| Income tax payable | 17.7a | 2.1a |
| Infratil infrastructure bonds | 161.5a | 156.1a |
| Manawa energy bonds | | |
| Wellington international airport bonds | 70a | 60a |
| Liabilities directly associated with the assets held for sale | 69.1a | 69.3a |
| Current liabilities | 1,500.9a | 1,619a |
| Interest bearing loans and borrowings | 3,082.2a | 2,869.3a |
| Accounts payable, accruals and other liabilities | 381.9a | 241.4a |
| Lease liabilities | 1,086.8a | 1,068a |
| Deferred tax liability | 280.7a | 324.6a |
| Derivative financial instruments | 234.7a | 59.4a |
| Infratil infrastructure bonds | 1,239.7a | 1,076.9a |
| Perpetual infratil infrastructure bonds | 231.9a | 231.9a |
| Manawa energy bonds | 373.4a | 372.7a |
| Wellington international airport bonds and senior notes | 615.7a | 671.9a |
| Non-current liabilities | 7,527a | 6,916.1a |
| Attributable to owners of the company | 6,661.3a | 5,640.7a |
| Non-controlling interest in subsidiaries | 1,553.7a | 1,548.4a |
| Total equity | 8,215a | 7,189.1a |
| Total equity and liabilities | 17,242.9a | 15,724.2a |