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August 30, 2021

ADWEA – Sodium Sulphur Battery Energy Storage System, United Arab Emirates

By Carmen

The ADWEA – Sodium Sulphur Battery Energy Storage System is an 8,000kW energy storage project located in Abu Dhabi, Abu Dhabi, United Arab Emirates.

The electro-chemical battery energy storage project uses sodium based as its storage technology. The project was commissioned in 2010.


The ADWEA – Sodium Sulphur Battery Energy Storage System is owned by Abu Dhabi Department of Energy (100%).

The key application of the project is electric energy time shift.

Contractors involved

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Abu Dhabi Department of Energy has delivered the battery energy storage project.

Additional information

The Abu Dhabi Water and Electricity Authority (ADWEA) has successfully deployed a Battery Energy Storage System (BESS) which is connected to the Abu Dhabi electricity grid. This is a milestone and one of the many Smart Grid initiatives being implemented in the Sector that will contribute to accomplishing the 2030 vision of having a fully integrated “SMART UTILITY”. The ADWEA BESS are one of the energy management systems used for purposes of leveling the electricity load curve in order to reduce the high cost of running peak load electrical generation. Such benefit is accomplished by storing excess available energy at night and injecting such energy back into the electrical grid during the day. The implementation of the BESS also develops a reserved distributed generation for emergency supply and contributes to the spinning reserve.The implementation and operation of a highly specialised energy storage system will present Abu Dhabi as a regional energy efficiency driver. It should be no.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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