| Assets | — | — | — |
| Current assets | — | — | — |
| Cash and cash equivalents | 34.1a | 36.06a | 39.19a |
| Short-term deposits at financial institutions used as collateral | 6.11a | 5.95a | 3.02a |
| Trade receivables | 18.78a | 21.17a | 19a |
| Current portion of lease receivable under power purchase agreement | 2.38a | 1.68a | 1.04a |
| Other current receivables | 4.6a | 2.9a | 2.98a |
| Short-term loans to related parties | 0.15a | 0a | 0a |
| Current portion of long-term loans to related parties | 0a | 0a | 0.05a |
| Other current financial assets | 1.06a | 1.81a | 3.13a |
| Inventories | 3.18a | 2.96a | 1.56a |
| Refundable VAT | 1.09a | 0.18a | 0.28a |
| Total current assets | 71.45a | 72.69a | 70.25a |
| Non-current assets | — | — | — |
| Deposits at financial institutions used as collateral | 1.24a | 1.32a | 1.29a |
| Other non-current financial assets | 21.25a | 10.97a | 11.81a |
| Investments in associates | 146.92a | 145.93a | 142.01a |
| Investments in joint ventures | 37.32a | 34.81a | 18.93a |
| Other non-current receivables | 3.55a | 1.89a | 1.76a |
| Lease receivable under power purchase agreement | 71.87a | 57.02a | 38.64a |
| Receivable from service concession arrangement | 13.39a | 9.16a | 4.61a |
| Long-term loans to related parties | 23.83a | 20.88a | 16.45a |
| Investment properties | 3.28a | 3.28a | 3.27a |
| Advance payments for property, plant and equipment | 2.6a | 2.02a | 2.14a |
| Property, plant and equipment | 90.65a | 90.22a | 99.56a |
| Right-of-use assets | 1.96a | 1.93a | 2.35a |
| Intangible assets | 5.57a | 5.96a | 3.87a |
| Deferred tax assets | 0.78a | 0.83a | 0.73a |
| Refundable VAT | 0.23a | 0.21a | 0.03a |
| Other non-current assets | 0.34a | 0.42a | 0.48a |
| Total non-current assets | 424.76a | 386.83a | 347.92a |
| Total assets | 496.2a | 459.51a | 418.17a |
| Liabilities and equity | — | — | — |
| Current liabilities | — | — | — |
| Short-term loans from financial institutions | 11.39a | 4.4a | 6.67a |
| Short-term loans from related parties | 0a | 0.39a | 0a |
| Trade payables | 6.07a | 9.39a | 7.48a |
| Construction payables | 1.91a | 7.42a | 7.74a |
| Other current payables | 7.14a | 5.76a | 5.68a |
| Current portion of long-term loans from financial institutions | 24.98a | 23.14a | 18.13a |
| Current portion of lease liabilities | 0.33a | 0.25a | 0.36a |
| Current portion of debentures | 19.5a | 14.5a | 4.5a |
| Corporate income tax payable | 0.06a | 0.05a | 0.06a |
| Other current financial liabilities | 0.23a | 0.34a | 1.24a |
| Total current liabilities | 71.61a | 65.62a | 51.87a |
| Non-current liabilities | — | — | — |
| Construction payable | 0.25a | 0.27a | 3.2a |
| Other non-current payables | 2.78a | 1.99a | 1.39a |
| Other non-current financial liabilities | 2.4a | 1.55a | 1.66a |
| Long-term loans from financial institutions | 113.31a | 120.16a | 119.18a |
| Lease liabilities | 1.64a | 1.58a | 1.79a |
| Debentures | 145.93a | 120.43a | 99.93a |
| Deferred tax liabilities | 2.27a | 1.9a | 1.68a |
| Provisions for employee benefits | 0.85a | 0.74a | 0.68a |
| Provision for decommissioning costs | 1.35a | 1.18a | 0.99a |
| Total non-current liabilities | 270.75a | 249.79a | 230.5a |
| Total liabilities | 342.36a | 315.41a | 282.37a |
| Equity | — | — | — |
| Share capital | — | — | — |
| Authorised share capital | 11.73a | 11.73a | 11.73a |
| Issued and paid-up share capital | 11.73a | 11.73a | 11.73a |
| Share premium | 51.82a | 51.82a | 51.82a |
| Surplus from business combination under common control | -0.32a | -0.32a | -0.32a |
| Surplus from the changes in proportion of investment/interests in subsidiaries | 1.49a | 1.49a | 1.49a |
| Retained earnings | — | — | — |
| Appropriated legal reserve | 1.17a | 1.17a | 1.17a |
| Unappropriated | 57.39a | 49.72a | 41.89a |
| Other components of equity | 0.86a | 0.97a | 3a |
| Equity attributable to owners of the parent | 124.16a | 116.59a | 110.79a |
| Non-controlling interests | 29.68a | 27.52a | 25.02a |
| Total equity | 153.84a | 144.1a | 135.8a |
| Total liabilities and equity | 496.2a | 459.51a | 418.17a |