hydro plants Dams &


Start of


Country/Name of dam


United Kingdom (cont) Keighley Moor Kendoon Kettleton Kielder


Killington Killylane Kilmorack Kinder


King George VI Knockendon Knott Hill Knypersley Kype


Ladybower Laggan


Lagmore Lairg


Lamaload Laneshaw Langsett Lawers


Leathemstown Lednock Leeming Leeshaw Leighton


Linacre (upper) Lindley Wood Little Denny Llandegfedd Lliedi (lower) Lliedi (upper) Lliw (lower) Lliw (upper) Llwyn-On


Llyn Brenig Llyn Brianne Llyn Celyn Llyn Cowlyd Llyn Fawr Llys-y-Fran Loch Dubh Loch Thom Loch Turret


Lochalsh (lower) Logan


Loganlea Loichel


Lossburn


Lower Laithe Lower Shira


Lower Shira West Loyne


Lubreoch Luichart Lussa


Luxhay


Maentwrog March Ghyll


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


Year


comp- leted/ due River/basin


1846 Worth 1936 Ken


1939 Kettleton Burn 1982 North Tyne 1826 Peasey Brook 1960 Killylane Burn 1962 Beauly 1912 Kinder 1947 -


1948 Caff Water 1840 Medlock


1827 Head of Trent 1898 Kype Water 1945 Derwent 1936 Spean 1888 -


1957 Shin 1963 Dean 1889 Calder


1905 Little Don


1958 Allt a Mhoirneas 1891 Leathemstown 1958 Lednock 1879 Worth 1879 Worth 1929 Ure


1864 Birley Brook 1875 Washburn 1888 -


1963 Sor 1878 Lliedi 1903 Lliedi 1978 Lliw 1894 Lliw 1927 Taff


1976 Afon Brenig 1972 Towy


1965 Tryweryn 1920 Afon Ddu


1914 Nant Gwrelych 1972 Afon Syfnwy 1955 Allt a Mhuillin 1827 Kip Water 1964 Turret Burn


1948 Allt Glen Udalai 1901 Logan Water 1851 Logan Burn 1962 (on watershed) 1897 Lossburn 1925 Worth 1954 Shira 1954 Shira 1956 Loyne 1958 Lyon 1954 Conon


1952 Strathduie Water 1905 Merridge Brook 1991 Afon Prysor 1906 Wharfe


District/city


Keighley Dumfries Thornhill


Beauly Glossop Staines Dalry


Oldham


Stoke on Trent Strathaven Hathersage Fort William Belfast Lairg


Macclesfield Colne


Penistone Killin


Belfast Crieff


Bradford Bradford Ripon


Chesterfield Otley


Denny


Pontypool Llanelli Llanelli


Swansea Swansea


Merthyr Tydfil Denbigh


Llandovery Bala


Dolgarrog Rhonnda


Haverford West Ullapool Greenock Crieff


Kyle of Lochals Strathaven Penicuik Beauly


Menstrie Keighley Inveraray Inveraray


Fort Augustus Aberfeldy Dingwall


Campbelltown Taunton


Maentwrog Ilkley


State/province


England Scotland England


Newcastle upon Tyne England Kendal Larne


England N Ireland Scotland England England Scotland England England Scotland England Scotland N Ireland Scotland England England England Scotland N Ireland Scotland England England England England England Scotland Wales Wales Wales Wales Wales Wales


England Wales Wales Wales Wales Wales


Scotland Scotland Scotland Scotland Scotland Scotland Scotland Scotland England Scotland Scotland Scotland Scotland Scotland Scotland England Wales


England


Dam type


TE Dam function


CB/VA - TE TE TE TE


- -


- - -


PG H TE TE TE TE TE TE TE


PG TE


- - - - - - - - -


PG/ER H CB TE TE


- - -


CB/TE H TE/ER - CB H TE TE TE TE TE TE TE TE -


TE TE TE ER ER TE TE TE


PG


- - - - - - - - - - - - - - - - - -


PG H TE TE


- -


PG H TE TE


- -


PG H TE TE


- -


PG H TE


H


PG H CB H PG H VA H TE


PG TE


- - -


Height (m) above lowest


foundation


15 26 23 55 16 18 23 35 17 27 19 16 16 43 40 16 32 37 18 32 38 19 33


18.9 18.4 38.6 20


21.4 18 39 19 24 30 24 24 50 91 58 25 21 52 20 20 24 16 17 18 20 16


29.8 22 18 18 33 16 17 18 40 32


Rated


Crest length (m)


Dam


volume (m3x103)


275 -


Reservoir capacity (m3x106)


253 2632 0.68 116 709


0.36 0.1


1140 200000 10.86 220 3482 0.93 550 1327 0.25 122 750 353 -


0.15 2.29


5263 3441 20.3 396 247 91


31


240 - 442 -


363 761 213 - -


-


448 89 186 55 370 - 300 - 344 91 450 - 290 98 140 - 310 - 450 - 230 51 262 -


457 131 351 638 229 76 183 300 182 250 223 320 367 388


2039 0.29 0.93 0.67 27.8


39.64 0.11 318 1.93 0.34 6.4


13.05 0.45


30.07 0.55 0.57 4.77 0.57 3.04 0.61


24.41 0.91 0.82 1.22 1.32 5.5


1200 4160 61.5 274 2085 61


9430 0.92


4


9110 4.47


capacity now (MW)


- - - - - -


20 - - - - - - - - -


3.5 - - -


30 -


21 - - - - - - - - - - - - - -


701 2380 73965 - 350 - 433 33 335 245 88


- - -


427 263 335 126 95


4


195 60 116 78 170 15 168 55 275 - 145 13 192 54 549 50 530 122 219 37 81


4


410 180 305 - -


SE-220; NE-220


10.75 18.1 0.44 0.84 0.54


174.1 0.18 1.27 1.6 1.6


45.5 83.2 62


7.7 0.54


32.67 0.39


1.2 - -


1.25 - - - - -


40 - -


4 34


2.4 - - -


Rated


capacity planned (MW)


- - - - - -


20 - - - - - - - - -


3.5 - - -


30 -


21 - - - - - - - - - - - - - - - - - -


1.2 - -


1.25 - - - - -


40 - -


4 34


2.4 - - -


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


Yorkshire Water Scottish Power Scottish Water


Northumbrian Water


British Waterways Board Dept of Environment (NI) Scottish & Southern Energy United Utilities Thames Water Scottish Water United Utilities


British Waterways Board Scottish Water


Severn-Trent Water British Alcan


Dept of Environment (NI) Scottish & Southern Energy United Utilities United Utilities Yorkshire Water


Scottish & Southern Energy Dept of Environment


Scottish & Southern Energy Yorkshire Water Yorkshire Water Yorkshire Water


Severn-Trent Water Yorkshire Water Scottish Water Welsh Water Welsh Water Welsh Water Welsh Water Welsh Water Welsh Water Welsh Water Welsh Water Welsh Water


National Power Welsh Water Welsh Water


Scottish & Southern Energy Scottish Water


Central Scotland Water Board Scottish & Southern Energy Scottish Water Scottish Water


Scottish & Southern Energy Scottish Water Yorkshire Water


Scottish & Southern Energy Scottish & Southern Energy Scottish & Southern Energy Scottish & Southern Energy Scottish & Southern Energy Scottish & Southern Energy Wessex Water Nuclear Electric Yorkshire Water


222 | Yearbook 2022 | www.waterpowermagazine.com


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