Start of
Country/Name of dam
United Kingdom (cont) March Haigh
Marchlyn Mawr Megget Meig
Meldon Midhope
Mitchells House 1 Mitchells House 2 Monar
Morehall
Mosshouse Mugdock Muirhead
Mullardoch
Naden Higher Naden Lower Nant
Nant Hir Nant Moel
Nant-y-Moch Neuadd (lower) Neuadd (upper) New Years Bridge North Third Nutscale
Oakdale (upper) Ogden
Ogden (lower) Ogden (upper) Ogden Has Ogden Miln Ogston Orrin
Orrin Embankment Oude
Outerwards Pant-yr-Eos Parsonage Pennington
Pen-y-Garreg Pickup Bank Piethorne Pitlochry Pitsford
Poaka Beck Ponden
Pontsticill Porth
Prescelly Prescot 4
Queen Elizabeth II Queen Mother Queen's Valley Quoich
Quoilie (upper) Rake Brook Ramsden
Ramsden Clough Readycon Dean Redmires (upper)
const- ruction
n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s
Year
comp- leted/ due River/basin
1838 Haigh Clough 1980 Afon Marchlynm 1982 Megget Water 1956 Meig
1973 West Okement 1903 Little Don 1865 Calder 1892 -
1963 Farrar 1930 Don
1897 Llantwit 1859 -
1942 Rye
1951 Cannich 1848 Roch 1848 Roch 1962 Nant 1875 Cynon 1898 Cynon
1962 Afon Rheidol 1884 Taf Fechan 1902 Taf Fechan 1883 Tame
1911 Bannockburn 1942 Chetsford Water 1914 Swale
1858 Hebble Brook 1914 Calder 1906 Calder 1910 -
1878 Roch
1960 Car Brook 1959 Orrin 1959 Orrin 1956 Oude
1906 Noddesdale Water 1878 Pantyreos Brook 1915 Ribble 1879 -
1904 Elan 1849 -
1866 Roch
1950 Tummel 1956 Nene
1867 Poaka Beck 1876 Worth
1927 Taf Fechan 1960 Porth
1931 Afon Syfnwy 1948 -
1961 (offstream) 1974 - 1992 -
1956 Gear Garry 1949 Quolis 1857 Darwen 1892 Holme S 1888 Calder 1883 -
1854 Rivelin S District/city
Huddersfield Bangor Selkirk
Dingwall
Okehampton Penistone Accrington -
Beauly
Sheffield Neath
Glasgow Largs
Beauly Norden
Rochdale Oban
Aberdare Aberdare
Ponterwyd
Merthyr Tydfil Merthyr Tydfil Oldham Stirling
Minehead Thirsk
Halifax Burnley Barley -
Milnrow Alferton Dingwall Dingwall Oban Largs
Newport Blackburn Ulverston Rhayader -
Milnrow Pitlochry
Northampton Ulverston Keighley Pontsticill Newquay
Haverford West -
Walton Windsor St Helier
Fort Augustus Ballymena Darwen
Holmefirth Todmorden -
Sheffield State/province
England Wales
Scotland Scotland England England England -
Scotland England England Scotland Scotland Scotland England England Scotland Wales Wales Wales Wales Wales
England Scotland Scotland England England England England -
England England Scotland Scotland Scotland Scotland Wales
England England Wales -
England Scotland England England England Wales
England Wales -
England England Jersey
Scotland N Ireland England England England -
England hydro plants Dams&
Dam type
TE ER TE
Dam function
- - -
PG/CB/TE H PG TE TE TE
- - - -
VA H TE TE TE TE
- - - -
PG H TE TE
- -
PG H TE TE
- -
CB/PG - TE
PG TE TE
PG TE TE TE TE TE TE TE
- - - - - - - - - - - -
PG H TE
PG H TE TE TE TE
H -
PG TE TE
- - - - - -
PG H TE TE TE TE
PG
- - - - -
CB/VA - CN - TE TE ER ER TE TE TE TE TE TE
- - -
H - - - - - -
Height (m) above lowest
foundation
21 72 56 20 55 29 20 15 35 24 21 21 23 37 19 26 23 17 16 56 19 26 17 17 24
18.2 21.6 21 19
15.2 16 18 45 25 20 16 27 18 22 44 17 21 17 26 19 25 34 16 23 -
15 20 36 39 16 26
24.8 21 15 15
Rated
Crest length (m)
Dam
volume (m3x103)
300 -
Reservoir capacity (m3x106)
0.24
635 1600 8.84 568 2122 61.4 178 37 200 10 275 -
3.6 3.2
275 229 250 - 161 28 246 - 82
60
382 163 213 -
727 219 210 - 136 - 372 28 100 85 290 182 350 150 279 74 422 32 120 -
416 144 78
-
110 - 130 - 183 - 122 - 370 - 260 -
233 133 312 178 312 167 48
4 100 -
268 291 520 - 165 85 161 69 90
-
300 186 510 51 521 318 278 72 210 - 320 - 111 6
107 129 -
-
1.86 0.49 0.32
174.1 2.027 0.09 2.49 3.57 223 0.36 0.17 27.7 0.18 318
32.56 0.19 1.35 0.41 3.38 0.18 0.06 1
0.67 0.2 1.5
0.84 6.18
59.47 59.47 0.65 0.21 0.66 0.89 0.62 6.06 0.08 1.54 4.62
17.54 0.86 0.97
15.64 0.51 0.65 0.8
4370 3058 19.63 5350 8884 38.01 170 250 320 299 253 41 462 - 120 - 300 - 160 - 686 -
1198 382.8 0.2
0.34 0.39 0.44 0.35 1.56
capacity now (MW)
- - - - - - - -
38 - - - -
2.4 - -
15 - - - - - - - - - - - - - - -
18 -
2 - - - - - - -
15 - - - - - - - - - -
22 - - - - - -
Rated
capacity planned (MW)
- - - - - - - -
38 - - - -
2.4 - -
15 - - - - - - - - - - - - - - -
18 -
2 - - - - - - -
15 - - - - - - - - - -
22 - - - - - -
Initial
operation of hydro plant Dam owner
n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s n/s
British Waterways Board National Grid Scottish Water
Scottish & Southern Energy South West Water Yorkshire Water United Utilities United Utilities
Scottish & Southern Energy Yorkshire Water Welsh Water Scottish Water Scottish Water
Scottish & Southern Energy United Utilities
British Waterways Board Scottish & Southern Energy Welsh Water Welsh Water PowerGen
Welsh Water Welsh Water
United Utilities Scottish Water Wessex Water Yorkshire Water Yorkshire Water United Utilities United Utilities United Utilities United Utilities
Severn-Trent Water
Scottish & Southern Energy Scottish & Southern Energy Scottish & Southern Energy Scottish Water Welsh Water
United Utilities United Utilities Welsh Water
United Utilities United Utilities
Scottish & Southern Energy Anglian Water United Utilities Yorkshire Water Welsh Water
Severn-Trent Water Welsh Water
United Utilities Thames Water Thames Water
Jersey New Waterworks Co Scottish & Southern Energy Dept of Environment (NI) United Utilities Yorkshire Water United Utilities United Utilities Yorkshire Water
www.waterpowermagazine.com | Yearbook 2022 | 223
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