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| Somerset Power Plant (UK) | |
|---|---|
| Name | Somerset Power Plant (UK) |
| Country | United Kingdom |
| Location | Somerset |
| Status | Decommissioned |
| Commission | 1960s |
| Decommission | 2010s |
| Owner | National Grid plc |
| Operator | Central Electricity Generating Board |
| Primary fuel | Coal, oil, natural gas |
| Electrical capacity | 1,800 MW |
Somerset Power Plant (UK) Somerset Power Plant (UK) was a large thermal electricity generating complex located in the county of Somerset, England, notable for its role in the post-war United Kingdom energy infrastructure and industrial heritage. It connected to the National Grid (Great Britain) and featured multi-fuel capability, contributing to regional power supply, industrial development in South West England, and national generation during periods of peak demand. Its lifecycle intersected with major institutions and events such as the Central Electricity Generating Board, the Coal Industry Act 1975, the Three-Day Week, and the liberalisation policies leading to privatisation under Electricity Act 1989.
The plant sat near transport arteries including the Bridgwater railway corridor and the M5 motorway, enabling coal deliveries from the South Wales Coalfield and imported coal via the Port of Bristol. Ownership and operational control transitioned between bodies such as the Central Electricity Generating Board, National Power (UK), and later EDF Energy divisions before final closure. Its design incorporated boilers influenced by firms like Babcock & Wilcox and turbines from English Electric and Siemens. The site became a focal point in debates involving the Carbon Trust, Friends of the Earth, and local authorities like Somerset County Council.
Construction began in the late 1950s under post-war reconstruction policies associated with figures in the Nationalisation of the Electricity Supply era and industrial planning influenced by the Marshall Plan legacy in European recovery. The plant commissioned units through the 1960s and 1970s, with expansions timed around events such as the 1973 oil crisis and the implementation of the Fuel and Electricity (Control) Act 1973. During the 1980s miners' strikes associated with the National Union of Mineworkers and leadership of Arthur Scargill, the station adapted fuel mixes and logistics to maintain output. The site was affected by market reforms following the Electricity Act 1989 and transactions during privatisation involving entities like Powergen and National Grid plc. Decommissioning decisions aligned with emissions controls from the Environmental Protection Act 1990 and EU directives including the Large Combustion Plant Directive.
The complex comprised six steam turbine-generator units with nominal capacities summing to approximately 1,800 MW, boiler systems employing pulverised coal and later oil and gas firing, flue gas desulfurisation retrofits inspired by technologies from ABB Group and Alstom, and electrostatic precipitators supplied by firms such as Siemens Energy. Cooling systems drew from estuarine waters proximate to River Parrett and incorporated wet cooling towers patterned after designs used at Drax Power Station. High-voltage switchgear connected to the National Grid (Great Britain) via 400 kV transmission lines and substations similar to those at West Burton Power Station. Control systems evolved from analog panels to digital SCADA supplied by ABB and General Electric-derived subsidiaries. The structural engineering referenced standards from institutions such as the Institution of Mechanical Engineers and the Institution of Civil Engineers.
Operational regimes included baseload and peak-load dispatch managed in coordination with the Balancing and Settlement Code and grid operations run by National Grid ESO. Annual generation varied with fuel markets and policy, peaking during cold winters and constrained during maintenance; outputs were comparable with other regional plants like Hinkley Point B in aggregate energy contribution. Coal supplies arrived via rail services operated by British Rail and later freight operators such as DB Cargo UK; oil and gas logistics involved terminal facilities akin to those at Teesside Gas Terminal and shipping via the Port of Bristol. Workforce training and safety standards aligned with bodies including the Health and Safety Executive and trade unions like Unite the Union.
Emissions profiles included sulfur dioxide, nitrogen oxides, particulate matter, and carbon dioxide, bringing the plant into regulatory purview under instruments like the Environmental Protection Act 1990, the Air Quality Standards Regulations 2010, and EU-based frameworks such as the Industrial Emissions Directive. Environmental groups including Greenpeace and Friends of the Earth campaigned on local air quality and coastal impacts affecting habitats protected under the Ramsar Convention and designated sites like Bridgwater Bay. Mitigation measures included flue gas desulfurisation, selective catalytic reduction for NOx control, and ash handling systems with disposal practices scrutinised by the Environment Agency (England) and subject to permitting regimes used elsewhere at facilities such as Didcot Power Station.
Decommissioning proceeded in stages following compliance deadlines under the Large Combustion Plant Directive and national decarbonisation commitments such as targets set by Department of Energy and Climate Change. Site decommissioning involved demolition contractors experienced with projects like Fawley Refinery remediation and asset decommissioning protocols from firms including Balfour Beatty and Kier Group. Redevelopment proposals explored brownfield regeneration models exemplified by Liverpool Waters and Royal Albert Dock projects, with considerations for renewable energy installations akin to Hinkley Point C-adjacent developments and battery storage schemes promoted by National Grid ESO. Local stakeholders such as Somerset County Council and landowners engaged with investors including SSE plc and renewable developers in feasibility studies for industrial parks, logistics hubs near the M5 motorway, and ecological restoration aligned with the UK Biodiversity Action Plan. The site remains a case study in the UK's transition from fossil-fuel generation to low-carbon infrastructure.
Category:Power stations in Somerset Category:Former power stations in the United Kingdom