Saudi Arabia’s ambitious Red Sea tourism destination has officially entered commercial operations with what its developers describe as the world’s largest integrated off-grid utilities system powered entirely by renewable energy.
The milestone marks a major step in the development of the multibillion-dollar tourism project and demonstrates Saudi Arabia’s growing investment in large-scale renewable energy infrastructure.
Red Sea Global and ACWA Power announced the commercial operation of the utilities system serving The Red Sea destination. The development operates independently of Saudi Arabia’s national electricity grid, providing power and other essential services through an integrated renewable energy system.
The start of commercial operations followed the signing of a Commercial Operation Certificate by Marafiq Red Sea for Energy Company, the project company established by ACWA Power alongside SPIC Huanghe Hydropower and Saudi Tabreed, and the Red Sea Utilities Company, a subsidiary of Red Sea Global.
The agreement also officially begins a 25-year concession period for the project, which is designed to provide essential utilities for the tourism destination as additional facilities become operational.
The system currently supplies electricity and other services to hotels at The Red Sea destination, Red Sea International Airport, a logistics centre, electric vehicles, staff accommodation and other community and operational facilities.
At the centre of the project is a large solar power facility with a capacity of 340 megawatts of alternating current (MW AC). The solar plant is integrated with a 1,227 megawatt-hour (MWh) battery energy storage system, allowing renewable electricity generated during the day to be stored and used when sunlight is unavailable.
According to the developers, the battery installation is the world’s largest off-grid battery storage system. Its scale enables the destination to maintain a continuous renewable electricity supply after sunset, reducing the need for conventional backup generation.
The renewable energy system is expected to produce up to 760,000 megawatt-hours of clean electricity each year. The developers estimate that its operation could prevent approximately 600,000 tonnes of carbon dioxide emissions annually, compared with conventional energy generation.
The infrastructure has been designed to meet the destination’s current electricity requirements while allowing additional capacity to be added as new hotels, facilities and other phases of the tourism development are completed.
Beyond electricity generation and storage, the project brings several essential utilities together under one integrated system. These include renewable power generation, drinking-water production, wastewater treatment, district cooling and waste management.
The water infrastructure includes three seawater reverse-osmosis desalination plants, which will provide fresh water for the destination. The project also includes a sewage treatment facility capable of processing up to 16,000 cubic metres of wastewater per day.
Rather than treating wastewater solely as waste, the system is designed to reuse treated water for environmental and landscaping purposes. The water will support surrounding ecosystems, including the development of new wetlands, while also being used to irrigate Red Sea Global’s landscape nursery and areas surrounding the Shura Links golf course.
A district cooling network has also been incorporated into the development to provide cooling services to buildings across the destination, further reducing the need for separate conventional cooling systems.
The integrated approach is intended to demonstrate how major tourism developments can combine renewable electricity, energy storage, water production, waste management and cooling infrastructure while operating independently from a national electricity grid.
The commercial launch represents an important milestone in Saudi Arabia’s broader strategy to develop large-scale tourism and infrastructure projects using cleaner energy technologies.
The Red Sea destination is part of the country’s wider efforts to diversify its economy and expand its tourism sector while incorporating renewable energy and lower-carbon infrastructure into major developments.
With its combination of large-scale solar generation and battery storage, the project also highlights the growing role of energy storage in making renewable energy suitable for large developments that require reliable electricity around the clock.
As additional phases of The Red Sea destination are developed, the utilities system is expected to expand alongside them, providing a renewable-energy-based foundation for the destination’s continued growth.
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