Coal Clough Wind Farm is one of the oldest onshore wind farm

Wind farm

A wind farm is a group of wind turbines in the same location used to produce electric power. A large wind farm may consist of several hundred individual wind turbines, and cover an extended area of hundreds of square miles, but the land between the turbines may be used for agricultural or other...

s in England. The wind farm, which was built for Scottish Power

Scottish Power

ScottishPower Ltd. is a vertically integrated energy company with its headquarters in Glasgow, Scotland. It was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index but in 2006 it became a subsidiary of the Spanish utility Iberdrola...

, currently produces electricity from 24 Vestas

Vestas

Vestas Wind Systems A/S is a Danish manufacturer, seller, installer, and servicer of wind turbines. It is the largest in the world, but due to very rapid growth of its competitors, its market share decreased from 28% in 2007 to 12.5% in 2009...

 WD34 wind turbine

Wind turbine

A wind turbine is a device that converts kinetic energy from the wind into mechanical energy. If the mechanical energy is used to produce electricity, the device may be called a wind generator or wind charger. If the mechanical energy is used to drive machinery, such as for grinding grain or...

s. It has a total nameplate capacity

Nameplate capacity

Nameplate capacity, also known as the rated capacity, nominal capacity, installed capacity or maximum effect, refers to the intended technical full–load sustained output of a facility such as a power plant, a chemical plant, fuel plant, metal refinery, mine, and many others.For dispatchable power,...

 of 9.6 MW of electricity, enough to serve the average needs of 5,500 homes. It is situated near Burnley

Burnley

Burnley is a market town in the Burnley borough of Lancashire, England, with a population of around 73,500. It lies north of Manchester and east of Preston, at the confluence of the River Calder and River Brun....

, Lancashire

Lancashire

Lancashire is a non-metropolitan county of historic origin in the North West of England. It takes its name from the city of Lancaster, and is sometimes known as the County of Lancaster. Although Lancaster is still considered to be the county town, Lancashire County Council is based in Preston...

 in the parish of Cliviger

Cliviger

Cliviger is a civil parish within the Borough of Burnley, in Lancashire, England. It is situated to the southeast of Burnley, and northwest of Todmorden and has a population of 2,350...

, near Coal Clough Farm, on the edge of Stiperden Moor in the South Pennines

South Pennines

South Pennines is a region of moorland and hill country in northern England lying towards the southern end of the Pennines. It is bounded to the west by the Forest of Rossendale and the Yorkshire Dales to the north...

. For just a few weeks it was the largest wind farm in the UK, until the much larger Penrhyddlan and Llidiartywaun wind farms (now called Llandinam) in Powys

Powys

Powys is a local-government county and preserved county in Wales.-Geography:Powys covers the historic counties of Montgomeryshire and Radnorshire, most of Brecknockshire , and a small part of Denbighshire — an area of 5,179 km², making it the largest county in Wales by land area.It is...

, Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

 overtook it. It narrowly remained the largest in England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 until Coldham opened in Cambridgeshire in November 2005, the record is currently held by Scout Moor Wind Farm

Scout Moor Wind Farm

Scout Moor Wind Farm is the largest onshore wind farm in England. The wind farm, which was built for Peel Wind Power Ltd, produces electricity from 26 Nordex N80 wind turbines. It has a total nameplate capacity of 65 MW of electricity, providing 154,000 MW·h per year; enough to serve...

 just 7 miles (11 km) to the south west. In 2009 Scottish Power announced plans to replace the existing turbines with eight 2 MW units with an estimated maximum height 110 metres (361 ft).

Specifications

Manufacturer	Vestas Vestas Vestas Wind Systems A/S is a Danish manufacturer, seller, installer, and servicer of wind turbines. It is the largest in the world, but due to very rapid growth of its competitors, its market share decreased from 28% in 2007 to 12.5% in 2009...
Model	WD34
Tower height	30 metres (98 ft)
Blade length	16.8 metres (55 ft)
Total maximum height	46.8 metres (154 ft)
Turbine weight
Maximum turbine effect Nameplate capacity Nameplate capacity, also known as the rated capacity, nominal capacity, installed capacity or maximum effect, refers to the intended technical full–load sustained output of a facility such as a power plant, a chemical plant, fuel plant, metal refinery, mine, and many others.For dispatchable power,...	0.4 MW
Installed turbines	24
Total nameplate capacity (maximum output)	9.6 MW
Electricity generated per annum	24000 MW·h
Capacity factor Capacity factor The net capacity factor or load factor of a power plant is the ratio of the actual output of a power plant over a period of time and its potential output if it had operated at full nameplate capacity the entire time...	28.5%