| Assets | — | — |
| Non-current assets | — | — |
| Property, plant and equipment | 19,848.49a | 20,426.65a |
| Intangible assets | 21.75a | 5.59a |
| Investments in corporate bonds | 0a | 353.4a |
| Other non-current assets | 68.2a | 283.52a |
| Total non-current assets | 19,938.45a | 21,069.16a |
| Current assets | — | — |
| Inventories | 94a | 70.92a |
| Trade receivables | 1,633.69a | 3,047.97a |
| Investments in deposits and corporate bonds | 3,475.93a | 4,349.48a |
| Cash and cash equivalents | 1,581.62a | 407.63a |
| Restricted cash | 21.06a | 101.06a |
| Other current assets | 232.48a | 62.94a |
| Total current assets | 7,038.78a | 8,040.01a |
| Total assets | 26,977.23a | 29,109.16a |
| Equity and liabilities | — | — |
| Equity | — | — |
| Share capital | 5,526.9a | 5,526.9a |
| Revaluation reserve | 11,548.96a | 12,038.62a |
| Other reserves | 1,025.97a | 1,024.03a |
| Retained earnings | 4,749.31a | 6,431.69a |
| Total equity | 22,851.14a | 25,021.23a |
| Liabilities | — | — |
| Non-current liabilities | — | — |
| Bank borrowings | 207.85a | 300.25a |
| Lease liabilities | 70.11a | 61.26a |
| Deferred income | 202a | 176.83a |
| Current tax liabilities | 8.2a | 0a |
| Deferred tax liabilities | 1,460.11a | 1,503.66a |
| Employee benefits | 128.6a | 128.44a |
| Provisions | 943.51a | 836.83a |
| Trade payables | 1a | 0.11a |
| Other payables | 52.51a | 8.47a |
| Total non-current liabilities | 3,073.87a | 3,015.84a |
| Current liabilities | — | — |
| Bank borrowings | 92.89a | 93.28a |
| Lease liabilities | 9.24a | 5.05a |
| Trade payables | 429.68a | 407.61a |
| Contract liabilities | 97.79a | 41.72a |
| Current tax liabilities | 60.33a | 145.41a |
| Deferred income | 6.15a | 5.72a |
| Employee benefits | 147.28a | 99.93a |
| Provisions | 82.47a | 165.36a |
| Tax for electricity producers | 2.14a | 0.88a |
| Other payables | 124.25a | 107.13a |
| Total current liabilities | 1,052.21a | 1,072.09a |
| Total liabilities | 4,126.08a | 4,087.93a |
| Total equity and liabilities | 26,977.23a | 29,109.16a |
| Property, plant and equipment | 19,816.4a | 20,392.93a |
| Intangible assets | 53.85a | 39.31a |
| Investments in corporate bonds | 0a | 353.4a |
| Other non-current assets | 68.2a | 283.52a |
| Total non-current assets | 19,938.45a | 21,069.16a |
| Inventories | 94a | 70.92a |
| Trade receivables | 1,633.69a | 3,047.97a |
| Investments in deposits and corporate bonds | 3,475.93a | 4,349.48a |
| Cash and cash equivalents | 1,581.62a | 407.63a |
| Restricted cash | 21.06a | 101.06a |
| Other current assets | 232.48a | 62.94a |
| Total current assets | 7,038.78a | 8,040.01a |
| Total assets | 26,977.23a | 29,109.16a |
| Share capital | 4,498.03a | 4,498.03a |
| Inflation adjustments to share capital | 1,028.87a | 1,028.87a |
| Public patrimony | 45.32a | 45.32a |
| Revaluation reserve | 11,580.35a | 12,076.64a |
| Other reserves | 1,025.97a | 1,024.03a |
| Retained earnings | 4,717.93a | 6,393.66a |
| Total equity | 22,896.47a | 25,066.56a |
| Bank borrowings | 207.85a | 300.25a |
| Lease liabilities | 70.11a | 61.26a |
| Deferred income | 156.67a | 131.51a |
| Current tax liabilities | 8.2a | 0a |
| Deferred tax liabilities | 1,460.11a | 1,503.66a |
| Employee benefits | 128.6a | 128.44a |
| Provisions | 943.5a | 836.83a |
| Trade payables | 1a | 0.11a |
| Other payables | 52.51a | 8.47a |
| Total non-current liabilities | 3,028.55a | 2,970.52a |
| Bank borrowings | 92.89a | 93.28a |
| Lease liabilities | 9.24a | 5.05a |
| Trade payables | 429.68a | 407.61a |
| Contract liabilities | 97.79a | 41.72a |
| Current tax liabilities | 60.33a | 145.41a |
| Deferred income | 6.15a | 5.72a |
| Employee benefits | 104.6a | 76.31a |
| Provisions | 125.15a | 188.97a |
| Tax for electricity producers | 2.14a | 0.88a |
| Other payables | 124.25a | 107.13a |
| Total current liabilities | 1,052.21a | 1,072.09a |
| Total liabilities | 4,080.76a | 4,042.61a |
| Total equity and liabilities | 26,977.23a | 29,109.16a |