Merz & McLellan
Encyclopedia
Merz and McLellan was a leading British
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 electrical engineering
Electrical engineering
Electrical engineering is a field of engineering that generally deals with the study and application of electricity, electronics and electromagnetism. The field first became an identifiable occupation in the late nineteenth century after commercialization of the electric telegraph and electrical...

 consultancy based in Newcastle
Newcastle upon Tyne
Newcastle upon Tyne is a city and metropolitan borough of Tyne and Wear, in North East England. Historically a part of Northumberland, it is situated on the north bank of the River Tyne...

.

History

The firm was founded by Charles Merz
Charles Hesterman Merz
Charles Hesterman Merz was a British electrical engineer who pioneered the use of high-voltage three-phase AC power distribution in the United Kingdom, building a system in the North East of England in the early 20th century that became the model for the country's National Grid.-Life:Merz was then...

 and William McLellan
William McLellan
Colonel William McLellan CBE was a Scottish electrical engineer. Born in Palnackie, McLellan joined Charles Merz in 1902 to form the Merz & McLellan consulting partnership. In the 1920s, then Colonel McLellan, he designed the Galloway Hydros hydroelectric power scheme.-References:***...

 in Newcastle upon Tyne
Newcastle upon Tyne
Newcastle upon Tyne is a city and metropolitan borough of Tyne and Wear, in North East England. Historically a part of Northumberland, it is situated on the north bank of the River Tyne...

 in 1902 when McLellan joined Merz's existing firm established in 1899. The partnership was instrumental in designing the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

's first three-phase
Three-phase
In electrical engineering, three-phase electric power systems have at least three conductors carrying voltage waveforms that are radians offset in time...

 electrical supply network, on Tyneside
Tyneside
Tyneside is a conurbation in North East England, defined by the Office of National Statistics, which is home to over 80% of the population of Tyne and Wear. It includes the city of Newcastle upon Tyne and the Metropolitan Boroughs of Gateshead, North Tyneside and South Tyneside — all settlements on...

, and for the next century continued to advise other Commonwealth
Commonwealth of Nations
The Commonwealth of Nations, normally referred to as the Commonwealth and formerly known as the British Commonwealth, is an intergovernmental organisation of fifty-four independent member states...

 countries on setting up their own networks.

In 1995 the partnership merged with the Parsons Brinckerhoff
Parsons Brinckerhoff
Parsons Brinckerhoff is a professional services firm with 14,000 employees in 150 offices providing construction and operation management, planning, design, engineering, program management, strategic consulting, environmental and sustainability services for clients and communities in the Americas,...

 consultancy, and in 2000 the new owners announced that the Merz & McLellan name would be discontinued.

In 2010, Mott MacDonald
Mott MacDonald
The Mott MacDonald Group is an employee-owned company management, engineering and development consultancy serving the public and private sectors world-wide...

 consultancy announced that it had bought Merz and McLellan South Africa.

Selected contracts

  • 1901: Neptune Bank Power Station
    Neptune Bank Power Station
    Neptune Bank Power Station was a coal-fired power station situated on the River Tyne at Wallsend near Newcastle upon Tyne. Commissioned in 1901 by the Newcastle upon Tyne Electric Supply Company, the station was the first in the world to provide electricity for purposes other than domestic and...

  • 1904: Carville Power Station
    Carville Power Station
    Carville Power Station was a coal-fired power station situated in Wallsend near Newcastle upon Tyne, in North East England. Two power stations stood on the site over the years; Carville A Power Station, the first station on the site, and Carville B Power Station...

    , Wallsend
    Wallsend
    Wallsend is an area in North Tyneside, Tyne and Wear, England. Wallsend derives its name as the location of the end of Hadrian's Wall. It has a population of 42,842.-Romans:...

    , UK
  • 1911: Electrification of North Eastern Railway (UK)
    North Eastern Railway (UK)
    The North Eastern Railway , was an English railway company. It was incorporated in 1854, when four existing companies were combined, and was absorbed into the London and North Eastern Railway at the Grouping in 1923...

  • 1914-18: Mobile power stations for the battlefield
  • 1921: North Tees Power Station
    North Tees Power Station
    North Tees Power Station refers to a series of three coal-fired power stations on the River Tees at Billingham in County Durham. Overall, they operated from 1921 until 1983, and the C station, the last on the site, was demolished in 1987...

  • 1925: Electrification of the Lyttelton railway line between Lyttelton
    Lyttelton, New Zealand
    Lyttelton is a port town on the north shore of Lyttelton Harbour close to Banks Peninsula, a suburb of Christchurch on the eastern coast of the South Island of New Zealand....

     and Christchurch
    Christchurch
    Christchurch is the largest city in the South Island of New Zealand, and the country's second-largest urban area after Auckland. It lies one third of the way down the South Island's east coast, just north of Banks Peninsula which itself, since 2006, lies within the formal limits of...

    , New Zealand
    New Zealand
    New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

  • 1933-51: Dunston B power station, Dunston
    Dunston, Tyne and Wear
    Dunston was originally an independent village on the south bank of the River Tyne. It has now been absorbed into the Metropolitan Borough of Gateshead in the English county of Tyne and Wear...

    , Newcastle-Upon-Tyne, UK
  • 1940s: Orlando Power Station, Johannesburg
    Johannesburg
    Johannesburg also known as Jozi, Jo'burg or Egoli, is the largest city in South Africa, by population. Johannesburg is the provincial capital of Gauteng, the wealthiest province in South Africa, having the largest economy of any metropolitan region in Sub-Saharan Africa...

    , South Africa
    South Africa
    The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

  • 1953: Blyth A Power Station
    Blyth Power Station
    Blyth Power Station refers to a pair of now demolished coal-fired power stations, which were located on the Northumberland coast in North East England. The two stations were built alongside each other on a site near Cambois in Northumberland, on the northern bank of the River Blyth, between its...

    , Cambois
    Cambois
    Cambois is a village in south-east Northumberland, England. It is situated on the north side of the estuary of the River Blyth between Blyth and Ashington on the North Sea coast.-History:According to Paul L...

    , Northumberland
    Northumberland
    Northumberland is the northernmost ceremonial county and a unitary district in North East England. For Eurostat purposes Northumberland is a NUTS 3 region and is one of three boroughs or unitary districts that comprise the "Northumberland and Tyne and Wear" NUTS 2 region...

    , UK
  • 1960s: Bell Bay Power Station, Tasmania
    Tasmania
    Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

    , Australia
    Australia
    Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

  • 1962: Blyth B Power Station
    Blyth Power Station
    Blyth Power Station refers to a pair of now demolished coal-fired power stations, which were located on the Northumberland coast in North East England. The two stations were built alongside each other on a site near Cambois in Northumberland, on the northern bank of the River Blyth, between its...

  • 1980-1993: Kariba South dam
    Kariba Dam
    The Kariba Dam is a hydroelectric dam in the Kariba Gorge of the Zambezi river basin between Zambia and Zimbabwe. It is one of the largest dams in the world, standing tall and long.- Construction :...

     hydroelectric upgrade
  • 1989: Subiya oil-fired power station, Kuwait
    Kuwait
    The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...

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