| GWh | 1970 | 1980 | 1990 | 2000 | 2005 | 2010 |
| | | | | | | |
| KOKONAISTUOTANTO - Gross production | 22 066 | 40 696 | 53 984 | 69 952 | 70 342 | 80 663 |
| Voimal. omakäyttö - cons. in power pl. | 777 | 1 986 | 2 392 | 2 674 | 2 685 | 3 460 |
| | | | | | | |
| TUOTANTO - Production | 21 289 | 38 710 | 51 592 | 67 278 | 67 657 | 77 203 |
| | | | | | | |
| Vesivoima - hydro power | 9 429 | 10 115 | 10 752 | 14 453 | 13 428 | 12 743 |
| Tuulivoima - wind power | - | - | 0 | 77 | 168 | 294 |
| Ydinvoima - nuclear power | - | 6 625 | 18 128 | 21 575 | 22 356 | 21 889 |
| Lämpövoima - thermal power | 11 860 | 21 970 | 22 712 | 31 173 | 31 704 | 42 277 |
| Yhteistuotanto - CHP | 5 927 | 10 844 | 16 124 | 24 458 | 26 202 | 28 098 |
| kaukolämpö - distr. heating | 1 006 | 4 205 | 8 471 | 12 718 | 14 801 | 16 909 |
| teollisuus - industry | 4 921 | 6 639 | 7 653 | 11 740 | 11 400 | 11 189 |
| Erillistuotanto - Separate | 5 933 | 11 126 | 6 588 | 6 715 | 5 503 | 14 179 |
| | | | | | | |
| TUONTI - Import from | 1 339 | 2 374 | 11 107 | 12 206 | 17 948 | 15 719 |
| | | | | | | |
| Venäjältä - Russia | 386 | 1 697 | 4 616 | 4 519 | 11 314 | 11 638 |
| Ruotsista - Sweden | 951 | 668 | 6 366 | 7 555 | 6 470 | 2 000 |
| Norjasta - Norway | 2 | 9 | 125 | 132 | 164 | 114 |
| Virosta - Estonia | | | | | 0 | 1 967 |
| | | | | | | |
| HANKINTA - Total supply | 22 628 | 41 084 | 62 699 | 79 484 | 85 605 | 92 922 |
| | | | | | | |
| VIENTI - Export to | 811 | 1 163 | 365 | 326 | 933 | 5 218 |
| | | | | | | |
| Ruotsiin - Sweden | 811 | 1 163 | 363 | 153 | 802 | 4 816 |
| Norjaan - Norway | 0 | 0 | 2 | 173 | 131 | 156 |
| Venäjälle - Russia | 0 | 0 | 0 | 0 | 0 | 0 |
| Viroon - Estonia | 0 | 0 | 0 | 0 | 0 | 246 |
| | | | | | | |
| KOKONAISKULUTUS - Gross consumpt. | 21 817 | 39 921 | 62 334 | 79 158 | 84 672 | 87 704 |
| Muutos ed. vuodesta % - change % | 12,1 | 5,1 | 3,9 | 1,8 | -2,7 | 7,9 |
