| Output (GWh) | | 17.485 | 18.285 | 18.855 | 18.540 |
| Transmission losses (GWh) | | 360 | 373 | 398 | 370 |
| Transmission losses as a ratio of input | | 2,0% | 2,0% | 2,1% | 2,0% |
| gray-line | | | | | |
| Operating revenue | | 129.743 | 147.326 | 154.139 | 140.331 |
| Investing activities | | 42.007 | 74.627 | 34.172 | 43.889 |
| gray-line | | | | | |
| Investing activities as a ratio of operating revenue | | 32,4% | 50,7% | 22% | 31,3% |
| Earnings before interests and taxes (EBIT) | | 49.717 | 59.338 | 61.052 | 50.184 |
| EBIT as a ratio of operating revenue | | 38,3% | 40,3% | 39,6% | 35,8% |
| General operating cost | | 30.011 | 34.678 | 36.911 | 36.840 |
| General operating cost as a ratio of operating revenue | | 23,1% | 23,5% | 23,9% | 26,3% |
| Profit | | -12.967 | 28.013 | 39.185 | 28.106 |
| Profit as a ratio of operating revenue | | -10,0% | 19% | 25,4% | 20,0% |
| gray-line | | | | | |
| Assets | | 770.817 | 851.302 | 846.332 | 851.707 |
| Equity | | 308.411 | 336.964 | 370.303 | 391.311 |
| Liabilities | | 462.406 | 514.338 | 476.029 | 460.996 |
| gray-line | | | | | |
| Return on equity | | -4,1% | 8,7% | 10,5% | 7,4% |
| Equity ratio | | 40,0% | 39,6% | 43,8% | 45,9% |
| Current ratio | | 0,97 | 1,78 | 1,43 | 0,48 |
| Interest rate coverage ratio | | 4,30 | 7,00 | 6,0 | 6,2 |
| gray-line | | | | | |
| Length of overhead transmission lines (km) | | 2.857 | 3.098 | 3.099 | 3.099 |
| Length of underground and sub-sea cables (km) | | 243 | 245 | 234 | 260 |
| gray-line | | | | | |
| Full - time equivalent positions at year end | | 119 | 120 | 120 | 135 |