DEWA achieves world record for lowest water tariff of $0.277/m3

The Dubai Electricity and Water Authority (DEWA) has achieved a world record for the lowest water levelised tariff of $0.277 per cubic metre for its 120 million gallons per day (MIGD) Hassyan sea water reverse osmosis (SWRO) plant after retendering the project.

DEWA adopted the Independent Water Producer (IWP) procurement model for the Hassyan desalination plant following the success of the Independent Power Producer (IPP) model at the Mohammed bin Rashid Al Maktoum Solar Park projects. The project will be commissioned in 2024.

Commenting on the world record, the managing director and chief executive officer of DEWA, HE Saeed Mohammed Al Tayer, said: “We work to achieve the Dubai Clean Energy Strategy 2050 to provide 75% of Dubai’s total power capacity from clean energy sources by 2050 and make Dubai the city with the lowest carbon footprint in the world.

“We are building water production plants based on reverse osmosis (RO) which requires less energy than multi-stage flash distillation (MSF) plants, making it a more sustainable choice for water desalination. By 2030, DEWA aims to produce 100% of desalinated water by a mix of clean energy and waste heat.”

Al Tayer added: “The project is part of DEWA’s strategy to increase the water desalination capacity in Dubai to 750 MIGD, from 470 MIGD at present. DEWA currently desalinates water through the joint production of electricity and water, using efficient MSF distillation technology, which depends on waste heat created by the production of electricity for water desalination.

“DEWA also uses RO to desalinate water, a proven technology that is also used around the world, which is ideal for the large production capacity from renewable energy.”

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