The Shannon hydroelectric Scheme was a major development by the Irish Free State in the 1920s to harness the power of the River Shannon. Its product, the Ardnacrusha power plant, is a hydroelectric power station located near Ardnacrusha within County Clare approximately 2.4 kilometres (1.5 mi) from the Limerick border. It is Ireland's largest river hydroelectric scheme and is operated on a purpose built headrace connected to the River Shannon. The plant includes fish ladders so that returning fish, such as salmon, can climb the river safely past the power station.
Completed within 7 years of Irish independence in 1922 at a cost which was equivalent to one fifth of the Irish state's annual budget, the plant enabled an enormous surge in demand for electricity across the country and demonstrated the ability of the new government to develop during a difficult financial period. The plant was constructed by the German company Siemens-Schuckert, although much of the design was done by Irish engineers and Ireland provided most of the labour force. The scheme involved changes to the flow of the whole river, multiple dams and bridges and the construction of a national power grid.
The generating plant at Ardnacrusha is composed of three vertical-shaft Francis turbine generators (commissioned in 1929) and one vertical-shaft Kaplan turbine generator (commissioned in 1934) operating under an average head of 28.5 metres. The scheme originally was designed for six turbines, with four turbines fitted. The 85 MW of generating plant in Ardnacrusha was adequate to meet the electricity demand of the entire country in the early years. The full output equates to about 332,000 MWh generated on an annual basis. Ardnacrusha generates at 10.5 kilovolts (kV) but this is transformed to 38 kV for local distribution and to 110 kV for long distance transmission.
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State in the 1920s was the Shannonhydroelectricscheme which established the Ardnacrusha power station on the lower Shannon above Limerick. The old Killaloe...
electricity grid which was largely built based on design work on the Shannonhydroelectricscheme by Siemens-Schuckert. The British BS1363 (localised as Irish...
permanent drainage of the site increased with the development of the Shannonhydroelectricscheme. The plants at this Special Area of Conservation turlough include...
2029. Shannonhydroelectricscheme Creatphlean Comhtháite Straitéiseach d'Inbhear na Sionainne (Strategic Integrated Framework Plan for the Shannon Estuary)...
engineering projects since the foundation of the state and the Shannonhydroelectricscheme. In the 1970s the need for new energy sources became more urgent...
2023 having first invested in the company in 2017. The first Shannonhydroelectricscheme was constructed in 1929 within seven years of independence. Built...
as a means of using the excess electricity generated by the Shannonhydroelectricscheme. A prototype was developed by converting petrol railcar 386 to...
exception to the generally low level of public spending was the Shannonhydroelectricscheme, which provided Ireland's first autonomous source of electricity...
1000 on Friar's Island in the River Shannon, to the south of Killaloe town. In 1929–30 the Shannonhydroelectricscheme raised the water level and submerged...
later collapsing in the 19th century. On the construction of the Shannonhydroelectricscheme in 1925–9, the lake became a storage reservoir for the power...
Mangahao Power Station is a hydroelectric power station near the town of Shannon, New Zealand. After being delayed by war, access road construction and...
County Clare, Munster, Ireland, located on the northern bank of the River Shannon. By road, it is 6.6 kilometres (4.1 mi) north of Limerick. The name derives...
5 MW each. It utilizes the tail water of Shannon Power House of Joginder Nagar project. Larji hydroelectric project is on river Beas in Kullu district...
McCarthy, senior civil servant Thomas McLaughlin, designer of the Shannonhydroelectricscheme John Moore SMA, Bishop of Bauchi Kevin Murphy, career civil servant...
Society and the London Zoological Society, and was involved in the Shannonhydroelectricscheme. He died at "Hoop Hill", his residence in Lurgan, in April 1929...
set up to advise on the design of the coins. Blythe funded the Shannonhydroelectricscheme during the late 1920s. Despite his austerity policies in relation...
employed by the Siemens company to assist in their work on the Shannonhydroelectricscheme. Gwynn went on to become a chartered civil engineer, a Fellow...
December 2019. River Shannon Protection Alliance (26 October 2011). "Why we say the Dublin Region Water Supply Project is a bad scheme" (PDF). Archived from...
O'Connor, William (2015). "Are Ireland's Large HydroelectricSchemes Sustainable?". Old River Shannon Trust. Retrieved 8 August 2017. Browne, Bill (2014)...
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