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Maentwrog (Hydro , Active)

 General Information.

Location in the UK : Wales, Trawsfynydd reservoir , Gwynedd    
Type of installation: Hydro    on/offshore: on
Turbines :4  Capacity : 33 MW
Approx Date of 1st power generation:

 Comment

It originally had an 18 megawatt output from three turbines but a fourth was added in 1934, increasing its output to 24 megawatts. It was replanted in 1991 further increasing capacity to 30 megawatts, and is currently operated by Magnox Limited Ltd.

Trawsfynydd reservoir was formed by the construction of four dams. The principal dam, built cross the Afon Prysor (at the northern end of the lake), was the first large arch dam ever built in Britain. The lake covered an area of two square miles and contains over 33 million cubic metres of water.

 Useful links and News items

MAENTWROG Hydroelectric Power Station

2012: MAENTWROG Hydroelectric Power Station in rainfall boost
The Met Office has said this April and June was the wettest second quarter in the UK since records began in 1910. And during the rain MAENTWROG Hydroelectric Power Station worked overtime using the extra water to generate extra electricity.

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 DECC Data on this Project: Maentwrog : / 2075

Please note that where multiple DECC records are available, all are shown in order. eg Project then repowering / extension, or refused project then resubmitted.

 OFGEM Data on this Project: Maentwrog: Hydro :

 

Data last updated: 3/29/2016 Is it still correct? Please tell me if there have been changes, see form below

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