China giant joins list of suppliers to massive “round-the-clock” solar and battery project

Chinese power technology giant Sungrow has been added to the long list of suppliers for a massive 5.2 gigawatt (GW) solar PV and 19 gigawatt-hour (GWh) battery storage project being built in the United Arab Emirates (UAE) by local clean energy juggernaut Masdar.

Sungrow announced late last week that it had been selected to supply more than 1,000 of its PowerTitan 3.0 energy storage systems (ESS), equivalent to 7.5GWh, alongside 2.6GW worth of PV inverter solutions.

Each PowerTitan 3.0 ESS is liquid cooled and integrated with advanced PV inverter technologies, supporting continuous power delivery and enhanced grid stability, operating on an optimised cycle of 8-hour charging and 16-hour discharging.

The system is capable of achieving a maximum efficiency of 99.3 per cent and a system round-trip efficiency (RTE) of 90 per cent.

Sungrow joins a long list of suppliers already contracted to provide components to Masdar’s massive project, billed as a world-first gigascale round-the-clock renewable energy project (RTC).

Developed by Masdar and the Emirates Water and Electricity Company (EWEC), the project – currently dubbed only ‘RTC’ – combines 5.2 GW of solar PV capacity with a mammoth 19 GWh battery energy storage system (BESS) that is designed to provide baseload renewable energy.

Masdar announced the first batch of preferred contractors and suppliers in January of 2025, including Chinese solar manufacturers Jinko Solar and JA Solar, and Chinese battery giant CATL.

The company broke ground on the project in October of last year and promised that the project would eventually be capable of delivering 1 GW of baseload renewable energy around the clock “at a globally competitive tariff”.  

Masdar is hoping to complete construction and begin commercial operations by 2027.

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