| Revenues | — | — | — |
| Sale of electricity | 456.92a | 430.18a | 413.95a |
| Sale of other services | 13.44a | 13.43a | 12.58a |
| Costs and expenses | — | — | — |
| Purchased power | -346.53a | -328.25a | -322.65a |
| Salaries, wages and employee benefits | -17.97a | -16.52a | -15.84a |
| Depreciation and amortization | -17.53a | -16.63a | -16.03a |
| Coal and fuel | -11.71a | -16.13a | -22.58a |
| Contracted services | -10.04a | -10.07a | -8.44a |
| Provision for probable losses and expenses from claims - net | -6.4a | -6.85a | -5.83a |
| Taxes, fees and permits | -2.66a | -2.33a | -2.13a |
| Power plant operations and maintenance cost | -2.23a | -1.88a | -1.91a |
| Provision for expected credit losses (ECL) | -0.85a | -1a | -2.5a |
| Other expenses | -9.41a | -7.63a | -8.45a |
| Other income (expenses) | — | — | — |
| Equity in net earnings of associates and joint ventures | 10.27a | 11.48a | 12.04a |
| Interest and other financial charges | -5.3a | -5.13a | -3.75a |
| Interest and other financial income | 3.88a | 3.32a | 2.06a |
| Foreign exchange gains (losses) | 0.19a | -0.04a | 1.01a |
| Others | 2.62a | 0.83a | 3.7a |
| Income before income tax | 56.68a | 46.79a | 35.24a |
| Provision for (benefit from) income tax | — | — | — |
| Current | -12.23a | -9.15a | -4.12a |
| Deferred | -2.02a | -1.04a | -2.53a |
| Net income | 46.47a | 38.68a | 28.59a |
| Attributable to | — | — | — |
| Equity holders of the parent company | 45.86a | 38.02a | 28.43a |
| Non-controlling interests | 0.61a | 0.66a | 0.16a |