Key Findings
BYD Energy Storage has secured a monumental contract to supply an impressive 11.275 GWh of battery energy storage systems (BESS) for the “Round the Clock (RTC)” renewable energy project, currently under development by Masdar in Abu Dhabi, United Arab Emirates (UAE). This groundbreaking initiative is set to be the world’s largest solar-plus-storage project, combining a 5.2 GW solar photovoltaic array with a total battery system capacity of 19 GWh, with BYD’s “Haohan” storage system playing a pivotal role in this massive deployment.
Technical & Project Details
- Project Name: Round the Clock (RTC) Renewable Energy Project
- Location: Abu Dhabi, United Arab Emirates (UAE)
- Lead Developer: Masdar
- Battery Supplier: BYD Energy Storage
- BYD Supplied Capacity: 11.275 GWh
- Overall Battery System Capacity: 19 GWh
- Solar PV Capacity: 5.2 GW
- System Utilized: BYD’s Haohan storage system
- Objective: To provide clean, reliable 24/7 power supply and accelerate the UAE’s energy transition.
This project is designed to store surplus solar power generated during the day and discharge it during the evening peak demand or periods of low solar irradiation, thereby stabilizing the grid and maximizing the utilization of renewable energy. BYD’s Haohan system was selected for its large-scale storage capabilities and high efficiency, essential for meeting the complex requirements of this project.
Background & Industry Context
As renewable energy adoption accelerates globally, the demand for large-scale energy storage systems to complement the intermittency of solar and wind power is rapidly increasing. Grid-scale battery storage, in particular, plays a critical role in grid stabilization, frequency regulation, and peak shifting, making it an indispensable component for achieving energy transition goals. In recent years, Chinese battery manufacturers have emerged as global leaders in both the EV battery and grid-scale storage markets, driven by their technological prowess and cost competitiveness. BYD’s substantial contract underscores this dominant position. The UAE, in its bid to diversify its economy away from oil and transition towards a sustainable future, is actively investing in large-scale renewable energy projects.
Strategic Significance & Outlook
The Abu Dhabi RTC project is poised to establish a new benchmark for grid-scale storage as one of the world’s largest integrated renewable energy systems. The supply of 11.275 GWh by BYD Energy Storage clearly demonstrates the decisive advantage Chinese manufacturers hold in terms of technology, production capacity, and cost competitiveness within the global large-scale energy storage market. The success of this project will serve as a powerful case study for utilities and governments worldwide, illustrating how the integration of renewable energy with massive battery storage can deliver clean, reliable 24/7 power. It will significantly contribute to the UAE’s energy transition objectives and further accelerate the evolution of the global energy storage market.
Source: https://electrek.co/2026/07/10/byd-masdar-11-gwh-rtc-storage-abu-dhabi/
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