Boilers total | Number of boilers at end-year | | 4 562 | 4 143 | 4 103 | 4 002 | 4 059 | 3 916 | 3 924 | 3 909 | 3 844 | 4 053 | 4 257 | 4 248 | 4 407 | 4 212 | 3 927 | 3 763 | 3 615 | 3 430 | 3 050 |
Total capacity, MW | | 7 508 | 6 752 | 5 887 | 5 758 | 5 547 | 5 440 | 5 439 | 5 510 | 5 354 | 5 466 | 5 585 | 5 613 | 5 424 | 5 202 | 5 389 | 4 999 | 4 944 | 5 045 | 4 914 |
Generated heat, GWh | | 6 796 | 6 044 | 6 461 | 6 507 | 6 311 | 6 808 | 6 764 | 6 500 | 6 477 | 5 854 | 5 563 | 5 771 | 5 636 | 5 828 | 4 973 | 4 836 | 4 610 | 5 318 | 5 331 |
Boilers, capacity up to 1 MW | Number of boilers at end-year | | 3 648 | 3 305 | 3 314 | 3 247 | 3 321 | 3 147 | 3 171 | 3 149 | 3 086 | 3 271 | 3 458 | 3 453 | 3 603 | 3 419 | 3 140 | 3 039 | 2 918 | 2 722 | 2 358 |
Total capacity, MW | | 1 579 | 1 283 | 1 170 | 1 134 | 1 054 | 923 | 888 | 1 008 | 1 002 | 1 080 | 1 092 | 1 098 | 1 106 | 1 026 | 991 | 964 | 966 | 952 | 980 |
Generated heat, GWh | | 1 387 | 1 355 | 1 497 | 1 425 | 1 381 | 1 505 | 1 444 | 1 198 | 1 264 | 1 144 | 1 085 | 1 118 | 1 104 | 1 109 | 1 022 | 998 | 782 | 1 011 | 801 |
Boilers, capacity 1-5 MW | Number of boilers at end-year | | 629 | 584 | 567 | 547 | 532 | 560 | 533 | 556 | 561 | 593 | 605 | 603 | 610 | 604 | 567 | 539 | 519 | 518 | 507 |
Total capacity, MW | | 1 522 | 1 468 | 1 369 | 1 333 | 1 289 | 1 293 | 1 236 | 1 287 | 1 292 | 1 360 | 1 379 | 1 373 | 1 371 | 1 376 | 1 317 | 1 262 | 1 214 | 1 185 | 1 182 |
Generated heat, GWh | | 1 580 | 1 550 | 1 635 | 1 832 | 1 825 | 1 813 | 1 877 | 1 873 | 1 762 | 1 698 | 1 574 | 1 745 | 1 652 | 1 755 | 1 404 | 1 492 | 1 433 | 1 339 | 1 463 |
Boilers, capacity 5-20 MW | Number of boilers at end-year | | 251 | 226 | 201 | 185 | 185 | 186 | 199 | 181 | 176 | 168 | 169 | 165 | 169 | 168 | 200 | 164 | 156 | 164 | 164 |
Total capacity, MW | | 2 325 | 2 104 | 1 866 | 1 689 | 1 639 | 1 689 | 1 833 | 1 653 | 1 579 | 1 520 | 1 510 | 1 427 | 1 417 | 1 442 | 1 723 | 1 410 | 1 355 | 1 414 | 1 402 |
Generated heat, GWh | | 2 217 | 2 066 | 2 136 | 2 139 | 2 069 | 2 394 | 2 429 | 2 445 | 2 398 | 2 151 | 2 035 | 1 934 | 1 804 | 1 955 | 1 586 | 1 156 | 1 159 | 1 417 | 1 674 |
Boilers, capacity up to 20-60 MW | Number of boilers at end-year | | 25 | 19 | 14 | 16 | 14 | 16 | 14 | 16 | 14 | 14 | 17 | 20 | 18 | 14 | 13 | 14 | 14 | 18 | 13 |
Total capacity, MW | | 1 035 | 850 | 668 | 788 | 751 | 721 | 668 | 748 | 667 | 692 | 790 | 902 | 716 | 544 | 544 | 549 | 526 | 612 | 467 |
Generated heat, GWh | | 645 | 396 | 470 | 393 | 281 | 336 | 272 | 246 | 367 | 325 | 137 | 184 | 487 | 227 | 266 | 537 | 562 | 634 | 717 |
Boilers, capacity over 60 MW | Number of boilers at end-year | | 9 | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 |
Total capacity, MW | | 1 047 | 1 047 | 814 | 814 | 814 | 814 | 814 | 814 | 814 | 814 | 814 | 814 | 814 | 814 | 814 | 814 | 883 | 883 | 883 |
Generated heat, GWh | | 967 | 677 | 723 | 718 | 755 | 760 | 742 | 738 | 686 | 536 | 732 | 790 | 589 | 782 | 695 | 653 | 674 | 917 | 676 |
Boilers working with coal | Number of boilers at end-year | | 521 | 382 | 346 | 303 | 277 | 241 | 215 | 188 | 163 | 140 | 124 | 116 | 102 | 97 | 68 | 52 | 41 | 41 | 20 |
Total capacity, MW | | 252 | 166 | 138 | 121 | 112 | 91 | 77 | 75 | 70 | 68 | 58 | 54 | 36 | 41 | 27 | 20 | 20 | 20 | 13 |
Generated heat, GWh | | 142 | 93 | 80 | 74 | 70 | 67 | 62 | 43 | 38 | 25 | 22 | 21 | 16 | 16 | 10 | 10 | 13 | 5 | 3 |
Boilers working with oil shale | Number of boilers at end-year | | 36 | 30 | 23 | 18 | 12 | 7 | 3 | 1 | 2 | 0 | 0 | 1 | 1 | 3 | 0 | 1 | 1 | 3 | 5 |
Total capacity, MW | | 103 | 106 | 72 | 63 | 50 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 43 | 45 |
Generated heat, GWh | | 98 | 64 | 47 | 48 | 39 | 12 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 127 | 109 | 97 |
Boilers working with peat | Number of boilers at end-year | | 55 | 61 | 59 | 55 | 40 | 34 | 33 | 36 | 30 | 35 | 34 | 36 | 33 | 33 | 29 | 29 | 26 | 23 | 23 |
Total capacity, MW | | 67 | 65 | 60 | 58 | 58 | 59 | 58 | 109 | 96 | 110 | 148 | 167 | 113 | 112 | 90 | 94 | 93 | 89 | 83 |
Generated heat, GWh | | 156 | 180 | 164 | 215 | 241 | 223 | 218 | 317 | 381 | 407 | 239 | 224 | 113 | 143 | 159 | 131 | 135 | 176 | 188 |
Boilers working with wood | Number of boilers at end-year | | 747 | 737 | 764 | 792 | 863 | 749 | 752 | 737 | 718 | 810 | 833 | 851 | 853 | 828 | 798 | 874 | 844 | 862 | 722 |
Total capacity, MW | | 690 | 724 | 747 | 768 | 798 | 831 | 836 | 799 | 688 | 702 | 776 | 864 | 719 | 719 | 832 | 933 | 1 010 | 1 161 | 1 028 |
Generated heat, GWh | | 1 300 | 1 394 | 1 660 | 1 715 | 1 700 | 1 862 | 1 922 | 1 677 | 1 668 | 1 470 | 1 557 | 1 581 | 1 827 | 1 703 | 1 522 | 1 644 | 1 834 | 2 425 | 2 449 |
Boilers working with heavy fuel oil | Number of boilers at end-year | | 359 | 208 | 151 | 87 | 75 | 44 | 31 | 28 | 24 | 24 | 19 | 20 | 20 | 10 | 8 | 11 | 12 | 12 | 37 |
Total capacity, MW | | 1 781 | 1 076 | 611 | 467 | 294 | 156 | 125 | 113 | 79 | 74 | 31 | 38 | 27 | 22 | 8 | 9 | 10 | 10 | 20 |
Generated heat, GWh | | 1 514 | 741 | 612 | 452 | 228 | 107 | 67 | 46 | 41 | 39 | 29 | 36 | 13 | 6 | 1 | 0 | 2 | 9 | 5 |
Boilers working with shale oil | Number of boilers at end-year | | 363 | 443 | 426 | 429 | 387 | 419 | 432 | 444 | 386 | 411 | 408 | 449 | 456 | 404 | 397 | 296 | 281 | 308 | 213 |
Total capacity, MW | | 856 | 1 070 | 1 000 | 1 029 | 936 | 914 | 930 | 895 | 762 | 749 | 682 | 705 | 656 | 668 | 781 | 476 | 469 | 393 | 321 |
Generated heat, GWh | | 662 | 827 | 913 | 963 | 876 | 865 | 823 | 745 | 545 | 502 | 458 | 540 | 505 | 469 | 320 | 308 | 308 | 315 | 176 |
Boilers working with light fuel oil | Number of boilers at end-year | | 1 062 | 897 | 929 | 899 | 1 027 | 1 002 | 1 023 | 994 | 991 | 1 046 | 1 120 | 1 080 | 1 116 | 1 075 | 955 | 918 | 813 | 650 | 586 |
Total capacity, MW | | 662 | 400 | 387 | 443 | 514 | 510 | 461 | 505 | 540 | 622 | 736 | 715 | 649 | 534 | 512 | 500 | 393 | 347 | 338 |
Generated heat, GWh | | 325 | 310 | 291 | 274 | 318 | 344 | 356 | 286 | 301 | 275 | 294 | 280 | 219 | 232 | 183 | 145 | 130 | 95 | 136 |
Boilers working with natural gas | Number of boilers at end-year | | 928 | 994 | 1 058 | 1 127 | 1 140 | 1 213 | 1 259 | 1 329 | 1 379 | 1 430 | 1 568 | 1 542 | 1 660 | 1 570 | 1 549 | 1 470 | 1 478 | 1 414 | 1 340 |
Total capacity, MW | | 2 883 | 2 960 | 2 711 | 2 661 | 2 750 | 2 748 | 2 916 | 2 979 | 2 981 | 3 006 | 3 126 | 3 043 | 3 196 | 3 066 | 3 116 | 2 941 | 2 923 | 2 952 | 3 028 |
Generated heat, GWh | | 2 453 | 2 272 | 2 563 | 2 620 | 2 783 | 3 223 | 3 224 | 3 354 | 3 443 | 3 107 | 2 939 | 3 064 | 2 916 | 3 224 | 2 744 | 2 572 | 2 033 | 2 154 | 2 237 |
Boilers working with electricity | Number of boilers at end-year | | 480 | 382 | 339 | 283 | 232 | 205 | 167 | 144 | 140 | 147 | 144 | 148 | 160 | 186 | 115 | 103 | 109 | 106 | 88 |
Total capacity, MW | | 86 | 62 | 47 | 29 | 23 | 22 | 22 | 26 | 23 | 22 | 21 | 22 | 22 | 23 | 18 | 18 | 18 | 20 | 18 |
Generated heat, GWh | | 65 | 45 | 35 | 27 | 23 | 21 | 17 | 16 | 19 | 12 | 13 | 13 | 12 | 14 | 9 | 9 | 11 | 11 | 12 |
Boilers working with shale oil gas and biogas | Number of boilers at end-year | | 11 | 9 | 8 | 9 | 5 | 2 | 8 | 8 | 6 | 6 | 3 | 3 | 3 | 3 | 5 | 3 | 3 | 4 | 16 |
Total capacity, MW | | 128 | 123 | 114 | 114 | 12 | 97 | 12 | 9 | 110 | 110 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 20 |
Generated heat, GWh | | 81 | 118 | 96 | 119 | 33 | 84 | 70 | 16 | 39 | 15 | 8 | 8 | 7 | 17 | 20 | 9 | 9 | 10 | 28 |
Boilers working with vegetable biomass | Number of boilers at end-year | | .. | .. | .. | .. | .. | .. | .. | .. | 5 | 4 | 3 | 2 | 3 | 3 | 3 | 6 | 7 | 7 | 0 |
Total capacity, MW | | .. | .. | .. | .. | .. | .. | .. | .. | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 4 | 4 | 4 | 0 |
Generated heat, GWh | | .. | .. | .. | .. | .. | .. | .. | .. | 2 | 2 | 4 | 3 | 8 | 4 | 4 | 8 | 8 | 9 | 0 |