Aquifer Storage and Recovery (ASR) project

The Dubai Electricity and Water Authority (DEWA) has completed the first phase of the Aquifer Storage and Recovery (ASR) project for desalinated water and has begun the operation and testing phase. The full-scale ASR project could store up to 6,000 million imperial gallons of water when completed by 2025 as a strategic reserve. This will make it the largest ASR of its kind in the world, allowing drinking water to be stored and retrieved in case of an emergency. This will provide the emirate with an additional source of drinking water of 50 million tons of strategic reserve for 90 days in emergency situations, while guaranteeing the quality of the stored water.

His Excellency Saeed Mohammed Al Tayer, CEO of DEWA, said the new project supports DEWA’s efforts to increase storage capacity in Dubai to 7,212MIG in 2025, up from the current storage capacity of 822MIG. “We support the vision of His Highness Sheikh Mohammed bin Rashid Al Maktoum, Vice President and Prime Minister of the UAE and Ruler of Dubai, to provide a modern, integrated and sustainable electricity and water infrastructure in Dubai in accordance with the highest standards of availability, reliability, efficiency and security. This will help ensure that the rapidly growing demand for water in various areas of Dubai is met for all citizens, residents and visitors to the city. In addition to the ASR project, DEWA is working on a 120 MIG reservoir in Al Nahali and another 60 MIG reservoir in Al Lusaili,” Al Tayer added.

The ASR project increases sustainable water production in Dubai. It uses clean solar energy to desalinate seawater using the latest reverse osmosis (RO) technology. Excess water is stored in aquifers and pumped back into the water grid as needed. The cost of this innovative integrated model is lower than that of traditional tanks and is a sustainable, environmentally friendly, cost-effective solution. It also highlights Dubai’s ability to anticipate and shape the future. DEWA’s desalinated water production capacity is currently 490 million gpd, including 63 million gpd using sea water reverse osmosis (SWRO) technology. By 2030, SWRO technology will help expand production capacity to 303 million gpd, increasing it to 730 million gpd of desalinated water by 2030.

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