| Net sales | 4.55a | 4.27a |
| Own work capitalized | 0.1a | 0.08a |
| Other operating income | 0.13a | 0.25a |
| Total operating income | 4.77a | 4.6a |
| Energy procurement/transport | -1.37a | -1.45a |
| Material and third-party services | -0.87a | -0.82a |
| Personnel expenses | -1.14a | -1.09a |
| Other operating expenses | -0.32a | -0.28a |
| Total operating expenses | -3.7a | -3.64a |
| Earnings before interest, taxes, depreciation and amortization (EBITDA) | 1.07a | 0.95a |
| Depreciation, amortization and impairment | -0.33a | -0.38a |
| Income from associates | 0.05a | 0.05a |
| Earnings before interest and taxes (EBIT) | 0.79a | 0.62a |
| Financial income | 0.14a | 0.09a |
| Financial expenses | -0.11a | -0.12a |
| Earnings before taxes (EBT) | 0.82a | 0.59a |
| Income taxes | -0.17a | -0.1a |
| Net profit | 0.65a | 0.49a |
| Attributable to | — | — |
| BKW shareholders | 0.62a | 0.48a |
| Non-controlling interests | 0.03a | 0.01a |