Hatta hydropower plant heads for trial operation
13 November 2024
Construction work on Dubai’s Hatta pumped-storage hydroelectric power plant is 94.15% complete, and generator installations are under way in preparation for a trial operation in the first quarter of 2025.
According to the state utility, Dubai Electricity & Water Authority (Dewa), the plant’s upper dam, which includes a 72-metre-high main wall and a 37-metre-high side dam, has also been filled.
The plant will have a production capacity of 250MW, a storage capacity of 1,500 megawatt-hours and a lifespan of up to 80 years.
The state utility awarded the contract to build the plant to a consortium of Austrian firms Strabag and Andritz and Turkey’s Ozkar in August 2019.
Dewa said on 12 November that the AED1.421bn ($387m) project is expected to be fully completed by the end of the second quarter of 2025.
The hydroelectric power plant is designed as an energy storage facility with a turnaround efficiency of 78.9%.
It uses the potential energy of water stored in the upper dam, converting it into kinetic energy as the water flows through a 1.2-kilometre subterranean tunnel.
This kinetic energy rotates the turbines, converting mechanical energy into electrical energy, which can be delivered to Dewa’s grid within 90 seconds to meet demand.
To store energy, clean power generated at the Mohammed Bin Rashid Al-Maktoum Solar Park will be used to pump water back to the upper dam, converting electrical power into kinetic energy during the process.
Dewa said the project is part of a comprehensive vision to develop Hatta and enhance its sustainable development, including the creation of job opportunities for Emiratis.
It added that the project “also supports the Dubai Clean Energy Strategy and the Dubai Net Zero Carbon Emissions Strategy 2050”.
Through the project, Dewa aims to diversify energy production from renewable and clean sources in Dubai. These include different available technologies, such as solar photovoltaic panels and concentrated solar power, as well as the use of renewable energy to produce green hydrogen.
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