Manjung power station

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The Manjung power station (also known as the Janamanjung power station or the Sultan Azlan Shah Power Plant) is a 4,180 megawatt (MW) coal-fired power station in Perak, Malaysia.


The undated satellite photo below shows the plant, which is located on a reclaimed island off the western coast of the state of Perak, around 10 km south of Lumut and 288 km north of Kuala Lumpurin in the district of Seri Manjung.[1]

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Background on Plant

The first 3 x 700 MW subcritical units of the plant were built in 2002 and 2003. They employed "a seawater scrubbing process for flue gas desulphurization".[2][3]

Unit 4

Unit 4 was expected to be the first ultra-supercritical coal plant in Southeast Asia. In 2012 the unit was under construction and scheduled for completion in 2015. It was planned to be 1,080 MW.[1]

Alstom reported that a 1,000 MW supercritical unit 4 was synchronized in September 2014,[4] although other reports are that when the plant entered operation later in April 2015, it was 1,080 MW and ultra-supercritical.[5][6]

The boiler for Unit 4 was manufactured in Wuhan Boiler Company, a Chinese manufacturing facility of which Alstom acquired a 51 per cent stake in 2007.[7]

Unit 5

A contract was signed in August 2013 for construction of Unit 5, which was expected to begin in January 2014 and be completed by October 2017.[8]

In May 2017 it was reported the plant was planned for commissioning in October 2017.[9]

Unit 5 was reported as operational in September 2017.[10]

Project Details of expansion

  • Sponsor: TNB Janamanjung
  • Parent company: TNB
  • Location: Telok Rubiah beach, Manjung, Perak
  • Coordinates: 4.1586, 100.6423 (exact)
  • Status: Operating
  • Capacity: 2,000 MW (Units 4 & 5: 1,000 MW)
  • Type:  Ultra-supercritical
  • Start date:
    • Unit 4: 2015
    • Unit 5: 2017
  • Coal Type: Bituminous and sub-bituminous
  • Coal Source:  
  • Source of financing:

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