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Dolgarrog Power Station
Dolgarrog power station in Dolgarrog, Wales was originally built in 1907 as part of an aluminium smelting plant. It uses water turbines to drive electricity alternators. Public supplies began in 1922 when power lines were constructed to transmit electricity from the power station to Colwyn Bay, Conwy and Llandudno. The station was vested in the British Electricity Authority and its successors following nationalisation in 1948. It is currently (2021) operated by RWE NPower UK. History Dolgarrog hydro-electric power station was commissioned in 1907 by the Aluminium Corporation of Dolgarrog to supply electricity to its aluminium smelting plant. The smelting of the mineral bauxite to make aluminium is an energy intensive process requiring a large amount of electricity. The availability of cheap hydro-electric power was therefore attractive. The construction of the power station was sanctioned under the provisions of the ''North Wales Electric Power Act 1904''. Water was drawn from Lly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Electricity Authority
The British Electricity Authority (BEA) was established as the central British electricity authority in 1948 under the nationalisation of Great Britain's electricity supply industry enacted by the Electricity Act 1947. The BEA was responsible for the generation, transmission and sale of electricity to area electricity boards, and the development and maintenance of an efficient, coordinated and economical system of electricity supply. History The authority took over the operations of over 600 small public supply power companies, municipal authority electricity departments and the Central Electricity Board to form the BEA, which comprised a central authority and 14 area boards. Its scope did not include control of the North of Scotland Hydro-Electric Board, which had been founded in 1943 and remained independent of the BEA. The appointment of chairmen and members of the BEA and the area boards were made in August 1947 and the BEA was formally established on 15 August 1947. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydroelectricity
Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other Renewable energy, renewable sources combined and also more than nuclear power. Hydropower can provide large amounts of Low-carbon power, low-carbon electricity on demand, making it a key element for creating secure and clean electricity supply systems. A hydroelectric power station that has a dam and reservoir is a flexible source, since the amount of electricity produced can be increased or decreased in seconds or minutes in response to varying electricity demand. Once a hydroelectric complex is constructed, it produces no direct waste, and almost always emits considerably less greenhouse gas than fossil fuel-powered energy plants. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydroelectricity In The United Kingdom
, hydroelectric power stations in the United Kingdom accounted for 1.87GW of installed electrical generating capacity, being 2.2% of the UK's total generating capacity and 4.2% of UK's renewable energy generating capacity. This includes four conventional hydroelectric power stations and run-of-river schemes for which annual electricity production is approximately 5,000 GWh, being about 1.3% of the UK's total electricity production. There are also pumped-storage hydroelectric power stations providing a further 2.8GW of installed electrical generating capacity, and contributing up to 4,075GWh of peak demand electricity annually. The potential for further practical and viable hydroelectricity power stations in the UK is estimated to be in the region of 146 to 248MW for England and Wales, and up to 2,593MW for Scotland. Interest in hydropower in the UK rose in the early 2010s due to UK and EU targets for reductions in carbon emissions and the promotion of renewable energy power gen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Power Stations In Wales
This is a list of electricity-generating power stations in Wales, sorted by type and name, with installed capacity (May 2007). Note that the DBERR maintains a comprehensive list of operational UK power stations her Biomass Biomass power stations: Nuclear power stations Nuclear power stations Coal-fired Coal-fired power stations: Gas-fired (or combined gas/coal) Gas (or combined gas/coal) fired power stations: Hydro-electric Hydro-electric power stations: Oil-fired Oil-fired power stations: Wind power Wind power generating facilities: See also * List of power stations in England * List of power stations in Northern Ireland * List of power stations in Scotland References Citations Energy statistics: electricityTable of Potential New Conventional Electricity Generating Plants in Great Britain November 2007BBC - List of Powerstations in the UKpx group - operations management, engineering services, energy tradingRenewable UK - Operational Windfarms {{Energy in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Timeline Of The UK Electricity Supply Industry
This timeline outlines the key developments in the United Kingdom electricity industry from the start of electricity supplies in the 1870s to the present day. It identifies significant developments in technology for the generation, transmission and use of electricity; outlines developments in the structure of the industry including key organisations and facilities; and records the legislation and regulations that have governed the UK electricity industry. The first part is a chronological table of significant events; the second part is a list of local acts of Parliament (1879–1948) illustrating the growth of electricity supplies. Significant events The following is a list of significant events in the history of the electricity sector in the United Kingdom. Local legislation timeline In addition to the Public General Acts on electricity supply given in the above table, there were also Local Acts. The Electric Lighting Acts 1882 to 1909 permitted local authorities and c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Francis Turbine
The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. The process of arriving at the modern Francis runner design took from 1848 to approximately 1920. It became known as the Francis turbine around 1920, being named after British-American engineer James B. Francis who in 1848 created a new turbine design. Francis turbines are primarily used for producing electricity. The power output of the electric generators generally ranges from just a few kilowatts up to 1000 MW, though mini-hydro installations may be lower. The best performance is seen when the head height is between . Penstock diameters are between . The speeds of different turbine units range from 70 to 1000 rpm. A wicket gate around the outside of the turbine's rotating runner controls the rate of water flow through the turbine for d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Power
National power is defined as the sum of all resources available to a nation in the pursuit of national objectives. Assessing the national power of political entities was already a matter of relevance during the classical antiquity, the middle ages and the renaissance and today. Elements of national power National power stems from various ''elements'', also called ''instruments'' or ''attributes''; these may be put into two groups based on their applicability and origin - "natural" and "social". * Natural: ** Geography ** Resources ** Population * Social: **Economic **Political **Military ** Psychological ** Informational Geography Important facets of geography such as location (geography), climate, topography, and size play major roles in the ability of a nation to gain national power. Location has an important bearing on foreign policy of a nation. The relation between foreign policy and geographic location gave rise to the discipline of geopolitics. The presence of a water obsta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electricity Commissioners
The Electricity Commissioners were a department of the United Kingdom government's Ministry of Transport, which regulated the electricity supply industry from 1920 until nationalisation in 1948. It was responsible for securing reorganisation on a regional basis and considered schemes for centralisation in a small number of large generating stations owned by joint electricity authorities. History In 1917, the UK government was planning the reconstruction of the nation's industries after the First World War. The Board of Trade set up the Electric Power Supply Committee, chaired by Sir Archibald Williamson, which proposed the effective nationalisation of the industry. Subsequently, in 1919 under the chairmanship of Sir Henry Birchenough, the Advisory Council to the Ministry of Reconstruction produced the Report of the Committee of Chairmen on Electric Power Supply. The committee were asked to submit general comments or suggestions on the broad administrative and commercial is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pelton Wheel
The Pelton wheel or Pelton Turbine is an impulse-type water turbine invented by American inventor Lester Allan Pelton in the 1870s. The Pelton wheel extracts energy from the impulse of moving water, as opposed to water's dead weight like the traditional overshot water wheel. Many earlier variations of impulse turbines existed, but they were less efficient than Pelton's design. Water leaving those wheels typically still had high speed, carrying away much of the dynamic energy brought to the wheels. Pelton's paddle geometry was designed so that when the rim ran at half the speed of the water jet, the water left the wheel with very little speed; thus his design extracted almost all of the water's impulse energywhich made for a very efficient turbine. History file:Pelton wheel (patent).png, Figure from Lester Allan Pelton's original October 1880 patent Lester Allan Pelton was born in Vermillion, Ohio in 1829. In 1850, he traveled overland to take part in the California Gold Rush. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bauxite
Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium. Bauxite consists mostly of the aluminium minerals gibbsite (Al(OH)3), boehmite (γ-AlO(OH)) and diaspore (α-AlO(OH)), mixed with the two iron oxides goethite (FeO(OH)) and haematite (Fe2O3), the aluminium clay mineral kaolinite (Al2Si2O5(OH)4) and small amounts of anatase (TiO2) and ilmenite (FeTiO3 or FeO.TiO2). Bauxite appears dull in luster and is reddish-brown, white, or tan. In 1821, the French geologist Pierre Berthier discovered bauxite near the village of Les Baux in Provence, southern France. Formation Numerous classification schemes have been proposed for bauxite but, , there was no consensus. Vadász (1951) distinguished lateritic bauxites (silicate bauxites) from karst bauxite ores (carbonate bauxites): * The carbonate bauxites occur predominantly in Europe, Guyana, Suriname, and Jamaica above carbonate rocks (limestone and do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nationalisation
Nationalization (nationalisation in British English) is the process of transforming privately-owned assets into public assets by bringing them under the public ownership of a national government or state. Nationalization usually refers to private assets or to assets owned by lower levels of government (such as municipalities) being transferred to the state. Nationalization contrasts with privatization and with demutualization. When previously nationalized assets are privatized and subsequently returned to public ownership at a later stage, they are said to have undergone renationalization. Industries often subject to nationalization include the commanding heights of the economy – telecommunications, electric power, fossil fuels, railways, airlines, iron ore, media, postal services, banks, and water – though, in many jurisdictions, many such entities have no history of private ownership. Nationalization may occur with or without financial compensation to the former owners. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central Electricity Authority
The Central Electricity Authority (CEA) was a body that managed and operated the electricity supply industry in England and Wales between 1 April 1955 and 31 December 1957. The CEA replaced the earlier British Electricity Authority (BEA) as a result of the Electricity Reorganisation (Scotland) Act 1954, which moved responsibility for Scottish electricity supply to the Scottish Office. Structure The structure of the management board and the personnel in post remained the same as the BEA with the exception of the removal of representation by the chairman of the North of Scotland Hydro-Electric Board. There was a reduction from 14 to 12 of the number of area electricity boards – the South East Scotland Electricity Board and South West Scotland Electricity Board were removed from the CEA's management. The functions of the remaining area boards were unchanged. Upon its establishment in April 1955 the chairman of the CEA was Lord Citrine; the two deputy chairmen were Sir Henry ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
