| Non-current assets | 3,544.7a | 3,693a |
| Assets | — | — |
| Goodwill | 415.1a | 416.7a |
| Intangible assets | 68.1a | 81.5a |
| Property, plant and equipment | 2,802a | 2,698.8a |
| Right-of-use assets | 100.9a | 122.2a |
| Investments | 8.9a | |
| Retirement benefit surplus | 24.7a | 18.4a |
| Deferred tax assets | 48.6a | 52.9a |
| Derivative financial instruments | 81.7a | 293.6a |
| Current assets | 1,843.9a | 2,345.4a |
| Inventories | 302a | 328.4a |
| Renewable certificate assets | 540a | 292.2a |
| Trade and other receivables and contract assets | 470.3a | 976.9a |
| Derivative financial instruments | 175.6a | 368.4a |
| Cash and cash equivalents | 356a | 379.5a |
| Current liabilities | -1,535a | -2,087.7a |
| Liabilities | — | — |
| Trade and other payables and contract liabilities | -1,289.1a | -1,539.6a |
| Lease liabilities | -26a | -25.1a |
| Current tax liabilities | -9.6a | -20.6a |
| Borrowings | -119a | -264.2a |
| Provisions | -20.2a | -6.6a |
| Derivative financial instruments | -71.1a | -231.6a |
| Net current assets | 308.9a | 257.7a |
| Non-current liabilities | -1,766.5a | -1,967.7a |
| Borrowings | -1,057.7a | -1,161.1a |
| Lease liabilities | -90.5a | -110.7a |
| Provisions | -75.7a | -72.2a |
| Deferred tax liabilities | -280.4a | -317.1a |
| Derivative financial instruments | -262.2a | -306.6a |
| Net assets | 2,087.1a | 1,983a |
| Shareholders’ equity | — | — |
| Issued equity | 49.4a | 49.1a |
| Share premium | 443.8a | 441.2a |
| Hedge reserve | -7.9a | 207.4a |
| Cost of hedging reserve | 6.9a | 18.7a |
| Other reserves | 467a | 588.2a |
| Retained profits | 1,118.1a | 666.4a |
| Total equity attributable to owners of the parent company | 2,077.3a | 1,971a |
| Non-controlling interests | 9.8a | 12a |
| Total shareholders’ equity | 2,087.1a | 1,983a |