Plant installed capacity, by connection
This spreadsheet forms part of the National Statistics publication Digest of UK Energy Statistics (DUKES) produced by the Department for Energy Security & Net Zero
(DESNZ).
The data presented is the UK plant installed capacity, by connection; annual data are published in arrears in megawatts (MW).
Publication dates
These data were published on Tuesday 30th July 2024
The next publication date is Thursday 31st July 2025
Data period
This spreadsheet contains annual data including new data for 2023.
Revisions
The revisions period is 2018 to 2022.
Revisions are due to updates from data suppliers or the receipt of data replacing estimates unless otherwise stated.
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Some cells in the tables refer to notes which can be found in the notes worksheet
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Time periods used in this workbook refer to calendar years i.e. January to December
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Contents
This worksheet contains one table
This table includes a list of worksheets in this workbook with links to those worksheets
Worksheet description Link
Cover sheet Cover Sheet
Contents Contents
Notes Notes
Plant installed capacity, by connection 5.12
Notes
This worksheet contains one table
This table contains supplementary information supporting plant installed capacity, by connection data which are
Note
Note 1
Note 2
Note 3
Note 4
Note 5
Note 6
Note 7
mentary information supporting plant installed capacity, by connection data which are referred to in the data presented in t
Description
Where available, installed capacity is used for this table. Grid export capacity is used if installed capacity is other
As at the end of December 2022
See section 4.10.2 of 'Electricity statistics: data sources and methodologies' for definition.
Includes mixed fuel stations (coal/oil, coal/gas) and co-firing coal stations.
Note that OCGT oil capacity is included under 'oil'. In previous editions of this table, this was grouped together w
For Major Power Producers, this is only municipal solid waste (MSW). For 'other generators', the main fuels inclu
products from chemical processes.
Pumped storage installed capacity has been revised up from previous editions following the reciept of more deta
Tables 5.12 plant installed capacity, by connection [note 1], (MW) [note 2]
This worksheet contains three tables
Some cells refer to notes which can be found on the notes worksheet
Freeze panes are active on this sheet, to turn off freeze panes select the 'view' then 'freeze panes' then 'unfreeze panes' or use [Alt W, F]
This table contains empty cells, empty cells indicate data not applicable
Table 5.12.A Electricity network of Great Britain, MW
Generator type 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
Total [note 3] 79,547 78,817 74,697 71,866 71,296 68,714 70,848 69,570 68,658 66,073
Coal [note 4] 27,520 25,580 20,677 19,037 17,957 13,711 13,481 10,861 7,302 5,341
Oil [note 5] 4,366 3,066 2,030 660 660 660 660 660 651 565
OCGT and conventional thermal gas [note 5] 457 457 412 511 511 1,111 1,111 1,356 1,474 1,474
CCGT gas 28,966 30,727 30,741 29,591 29,591 29,601 29,601 28,491 28,491 28,491
Nuclear - Magnox 1,197 490 490 490 0 0 0 0 0 0
Nuclear - PWR 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198
Nuclear - AGR 7,725 7,725 7,725 7,725 7,725 7,725 7,725 7,725 7,725 6,635
Hydro (natural flow) 810 810 810 810 810 810 810 746 746 744
Wind (onshore) 1,971 2,270 2,831 2,974 3,141 3,975 4,645 4,659 5,488 5,547
Wind (offshore) 1,448 2,605 3,244 4,042 4,585 4,755 6,450 7,627 9,335 9,830
Solar 0 0 0 0 0 0 0 0 0 0
Bioenergy 908 908 1,558 1,848 2,138 2,138 2,138 3,218 3,218 3,218
Other fuels [note 6] 80 80 80 80 80 129 129 129 129 129
Pumped storage [note 7] 2,900 2,900 2,900 2,900 2,900 2,900 2,900 2,900 2,900 2,900
Total [note 3] 13,523 15,225 16,366 19,723 24,538 27,687 29,374 30,218 30,458 31,226
Coal [note 4] 628 624 63 33 22 22 22 22 21 20
Oil [note 5] 654 590 570 540 564 492 475 464 449 398
OCGT and conventional thermal gas [note 5] 1,097 1,224 1,259 1,334 1,260 1,301 1,382 1,685 1,652 1,821
CCGT gas 3,517 3,549 3,417 3,325 3,128 2,973 2,917 2,205 2,186 2,447
Hydro (natural flow) 860 874 890 910 958 1,016 1,052 1,056 1,059 1,064
Wind (onshore) 2,378 3,305 4,174 4,903 5,340 5,971 6,766 7,426 7,161 7,173
Wind (offshore) 390 390 452 459 509 519 538 553 553 553
Solar 998 1,748 2,910 5,466 9,496 11,780 12,508 12,737 13,011 13,215
Wave and tidal 3 7 7 7 8 13 18 20 22 22
Bioenergy 2,356 2,267 2,014 2,075 2,381 2,770 3,004 3,416 3,527 3,659
Other fuels [note 6] 642 647 610 671 873 831 693 633 817 854
Table 5.12.B Electricity network of Northern Ireland, MW
Generator type 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
Total [note 3] 2,514 2,546 2,546 2,546 2,546 2,564 2,564 2,024 2,024 2,024
Coal [note 4] 559 559 559 559 559 559 559 559 559 559
Oil [note 5] 312 312 312 312 312 312 312 312 312 312
OCGT and conventional thermal gas [note 5] 540 540 540 540 540 540 540 0 0 0
CCGT gas 1,029 1,029 1,029 1,029 1,029 1,029 1,029 1,029 1,029 1,029
Wind (onshore) 74 106 106 106 106 124 124 124 124 124
Solar 0 0 0 0 0 0 0 0 0 0
Total [note 3] 362 394 725 892 981 1,174 1,626 1,887 1,962 1,970
Hydro (natural flow) 8 8 9 9 9 10 10 11 11 11
Wind (onshore) 335 354 475 590 625 762 1,063 1,217 1,225 1,231
Solar 2 6 27 62 105 134 252 322 334 336
Wave and tidal 1 1 1 1 1 0 0 0 0 0
Bioenergy 16 25 213 229 240 268 300 338 391 392
Table 5.12.C Electricity network UK total, MW
Generator type 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
Total [note 3] 82,061 81,363 77,243 74,412 73,842 71,278 73,412 71,594 70,682 68,097
Coal [note 4] 28,079 26,139 21,236 19,596 18,516 14,270 14,040 11,420 7,861 5,900
Oil [note 5] 4,678 3,378 2,342 972 972 972 972 972 963 877
OCGT and conventional thermal gas [note 5] 997 997 952 1,051 1,051 1,651 1,651 1,356 1,474 1,474
CCGT gas 29,995 31,756 31,770 30,620 30,620 30,630 30,630 29,520 29,520 29,520
Nuclear - Magnox 1,197 490 490 490 0 0 0 0 0 0
Nuclear - PWR 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198
Nuclear - AGR 7,725 7,725 7,725 7,725 7,725 7,725 7,725 7,725 7,725 6,635
Hydro (natural flow) 810 810 810 810 810 810 810 746 746 744
Wind (onshore) 2,045 2,376 2,937 3,080 3,247 4,099 4,769 4,783 5,612 5,671
Wind (offshore) 1,448 2,605 3,244 4,042 4,585 4,755 6,450 7,627 9,335 9,830
Solar 0 0 0 0 0 0 0 0 0 0
Bioenergy 908 908 1,558 1,848 2,138 2,138 2,138 3,218 3,218 3,218
Other fuels [note 6] 80 80 80 80 80 129 129 129 129 129
Pumped storage [note 7] 2,900 2,900 2,900 2,900 2,900 2,900 2,900 2,900 2,900 2,900
Total [note 3] 13,886 15,619 17,091 20,615 25,519 28,861 30,999 32,105 32,420 33,196
Coal [note 4] 628 624 63 33 22 22 22 22 21 20
Oil [note 5] 654 590 570 540 564 492 475 464 449 398
OCGT and conventional thermal gas [note 5] 1,097 1,224 1,259 1,334 1,260 1,301 1,382 1,685 1,652 1,821
CCGT gas 3,517 3,549 3,417 3,325 3,128 2,973 2,917 2,205 2,186 2,447
Hydro (natural flow) 868 883 898 919 967 1,026 1,063 1,067 1,070 1,075
Wind (onshore) 2,713 3,659 4,649 5,493 5,965 6,733 7,829 8,643 8,387 8,404
Wind (offshore) 390 390 452 459 509 519 538 553 553 553
Solar 1,000 1,753 2,937 5,528 9,601 11,914 12,760 13,059 13,345 13,552
Wave and tidal 4 9 8 9 9 13 18 20 22 22
Bioenergy 2,373 2,292 2,227 2,304 2,621 3,038 3,304 3,754 3,919 4,051
Other fuels [note 6] 642 647 610 671 873 831 693 633 817 854
Coal [note 4] 28,707 26,763 21,299 19,629 18,538 14,292 14,062 11,442 7,882 5,920
Oil [note 5] 5,333 3,968 2,912 1,512 1,536 1,464 1,447 1,436 1,412 1,275
OCGT and conventional thermal gas [note 5] 2,010 2,137 2,127 2,301 2,227 2,868 2,949 3,041 3,126 3,295
CCGT gas 33,062 34,855 34,737 33,495 33,298 33,153 33,097 31,725 31,706 31,967
Nuclear - Magnox 1,197 490 490 490 0 0 0 0 0 0
Nuclear - PWR 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198 1,198
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