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Project of the month: M-station expansion project at Jebel Ali

Last month, Dubai Electricity and Water Authority (DEWA) completed the M-Station expansion project, the largest power generation and water desalination plant in the UAE

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M-Station, DEWA, Saeed Mohammed Al Tayer, Siemens

The expansion project has added two dual-fuel gas turbine generators, two heat-recovery steam boilers, and a steam turbine that is 90 percent fuel efficient.

This will increase the plant’s thermal efficiency from 82.4 percent to 85.8 percent, which is one of the highest thermal-efficiency rates in the world.

The station also operates at the highest levels of availability, reliability, and efficiency, and uses the most advanced technologies in the world.

The project has been implemented in phases since mid-2010

Power generation:

Uses 6 Siemens F-model gas turbines, each with a capacity of 255MW; 6 boilers for waste-heat recovery; and 3 steam turbines, and each with a capacity of 218MW.

Seawater desalination:

Uses 8 desalination units, deploying Multi-Stage Flash (MSF) distillation technology, each with a capacity of 17.5 MIGD and totalling 140 MIGD.

Two dual-fuel-fired auxiliary boilers of 390 tonnes per hour, and 16 fuel-oil storage tanks, each with a capacity of 20,000 cubic metres, with total fuel-oil storage of 320,000 cubic metres.

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