M-Station now UAE’s largest power and desalination plant

DEWA JAHH Sheikh Hamdan bin Rashid Al Maktoum, Deputy Ruler of Dubai, Minister of Finance, and president of Dubai Electricity and Water Authority (DEWA), inaugurated the extension project of M-Station in Jebel Ali, adding 700MW, thus making it the largest power and desalination plant in the UAE

DEWA’s total production capacity is currently 11,100MW of electricity and 470 MIGD of water production.

Saeed Mohammed Al Tayer, MD and CEO of DEWA, noted that the total cost of M-Station with its extension reached US$3,176.71bn with a current production capacity of 2,885MW and 140mn gallons of desalinated water per day. The expansion cost US$415.70bn and added new generating units with a capacity of 700MW. The extension design has a 90 per cent fuel efficiency rate. This project has been completed with over 20mn Safe Man Hours without Lost Time Injury.

Assisting DEWA were Siemens, who implemented the project, and Mott MacDonald, the project consultant.

“The completion of the Jebel Ali M-Station expansion marks another milestone in the long history of Siemens and DEWA as strategic partners. It’s a testament to what we can achieve with innovation and technology to support society and economic growth in the UAE,” said Dietmar Siersdorfer, CEO, Siemens Middle East and UAE.

Before the extension, M-Station generated 2,185MW of electricity from six Siemens F-model gas turbines, each with a capacity of 255MW, six Doosan waste-heat recovery boilers for steam generation, three Alstom steam turbines with a capacity of 218MW each.

The project included construction of 16 fuel-oil storage tanks, each with a capacity of 20,000 cu/m and totalling 320,000 cu/m of fuel-oil storage. The station generated 140 million imperial gallons per day (MIGD) from eight Fisia desalination units, deploying multi-stage flash (MSF) distillation technology, each with a capacity of 17.5 MIGD and two dual-fuel-fired auxiliary boilers.

The expansion project comprises of two dual-fuel gas turbine generators each with a capacity of 263.5MW, two waste-heat recovery boilers for steam generation and a back pressure steam turbine from Siemens with capacity of 173MW. The expansion’s design increased the plant’s fuel efficiency to 85.8 per cent, which is one of the highest rates worldwide.

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