| Revenue | 21,307a | 25,459a |
| Revenue from sales and services | 20,935a | 25,070a |
| Other operating income | 372a | 389a |
| Procurements and services | -13,054a | -16,312a |
| Power purchases | -4,545a | -6,944a |
| Fuel consumption | -2,271a | -2,708a |
| Transmission costs | -3,595a | -3,213a |
| Other variable procurements and services | -2,643a | -3,447a |
| Income and expenses from energy commodity derivatives | -908a | -3,172a |
| Contribution margin | 7,345a | 5,975a |
| Self-constructed assets | 275a | 345a |
| Personnel expenses | -986a | -1,137a |
| Other fixed operating expenses | -1,396a | -1,423a |
| Other income | 55a | 17a |
| Gross operating profit | 5,293a | 3,777a |
| Depreciation and impairment losses on non-financial assets | -2,018a | -1,864a |
| Impairment losses on financial assets | -204a | -268a |
| Operating profit | 3,071a | 1,645a |
| Financial result | -493a | -590a |
| Financial income | 131a | 38a |
| Financial expense | -639a | -705a |
| Income and expenses on derivative financial instruments | 19a | 56a |
| Net exchange differences | -4a | 21a |
| Net income of companies accounted for using the equity method | 11a | 10a |
| Profit before tax | 2,589a | 1,065a |
| Corporate income tax | -696a | -303a |
| Profit after tax from continuing operations | 1,893a | 762a |
| Profit after tax from discontinued operations | | |
| Profit for the period | 1,893a | 762a |
| Parent company | 1,888a | 742a |
| Non-controlling interests | 5a | 20a |