Cwm Dyli
Cym Dyli hydro-electric power station | |
---|---|
Location | Cwm Dyli, Wales |
Coordinates | 53°03′57″N 4°00′41″W / 53.0659°N 4.0115°W |
Opening date | 1905 |
Reservoir | |
Creates | Llyn Llydaw |
Power Station | |
Installed capacity | 9.8 MW |
Cwm Dyli is the location of a
History
The station was built in 1905 by the
In August 1906, power from Cwm Dyli was used to power the
Electricity produced here was also used to power the Carnarvon Long Wave Wireless Telegraph transmitting station built by Marconi in 1913-14 near Waunfawr.
Supplying power directly to the
Known locally as the "Chapel in the valley", on account of its exterior design, it employed 13 men. Today, however, it is controlled remotely from
Water for the site primarily comes from Llyn Llydaw, some 320 metres above the power station, where rainfall is very high. The water is carried from the lake through a tunnel and two 30-inch (0.762 m) diameter, 2-kilometre (1.2 mi) long pipelines.[4]
The pipeline featured in the James Bond film The World Is Not Enough.
Technical details
The generating equipment at Cym Dyli up to 1989 comprised:[4]
- 2 × Ganz Pelton wheels
- 2 × Boving Pelton wheels, together these aggregated a capacity of 900 horse power (6.619 MW)
The four wheels drove:
- 1 × 1 MW Bruce Peebles alternator
- 1 × 1.5 MW Bruce Peebles alternator
- 1 × 3 MW Bruce Peebles alternator
The total electricity generating capacity was 6.5 MW, at 10 kV.
The following graph shows the annual electricity output in MWh from Cym Dyli between 1921 and 1986:[4] [5] [6] [2]
Graphs are unavailable due to technical issues. There is more info on Phabricator and on MediaWiki.org. |
See also
- Npower (UK)
- Timeline of the UK electricity supply industry
- List of power stations in Wales
- Hydroelectricity in the United Kingdom
- Dolgarrog power station
References
- OCLC 59498388.
- ^ a b Electricity Commissioners (1925). Electricity Supply 1920-23. London: HMSO. pp. 228–231, 514–19.
- ^ "Festiniog Quarries Electrified". North Wales Express. 31 August 1906.
- ^ a b c Garrett, Frederick C. (1959). Garcke's Manual of Electricity Supply vol. 56. London: Electrical Press. pp. A-50, A-141.
- ^ CEGB Annual report and Accounts, 1961, 1962 & 1963
- ^ CEGB Statistical Yearbook 1972 to 1986 Central Electricity Generating Board
External links
- "Cwm Dyli Hydro Site". RWE npower renewables. Archived from the original on 17 April 2011. Retrieved 28 April 2011.