Trina Solar’s energy storage division brings online 50MW BESS project in UK

By Alice Grundy
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Trina Storage commissioned and tested the 50MW/56.2MWh battery system. Image: Trina Storage

Trina Storage has completed the supply of its first UK battery energy storage system (BESS), the 50MW/56.2MWh fully integrated grid-scale battery energy storage system owned by SMS plc, a smart metering services company which has diversified into the energy storage space.

The BESS is in Burwell, a village in Cambridgeshire in east England. It was constructed by Ethical Power. Trina Storage, meanwhile, supplied, commissioned and tested the system, which is to provide balancing services to electricity system operator National Grid ESO following its start of commercial operations.

Consisting of lithium-ion battery racks, PCS and transformer units, Trina Storage said the BESS was designed to maximise system performance as well as increase battery life. It has also been equipped with modular, flexible and scalable Power Plant Controller (PPC) and SCADA to control, monitor and optimise system performance. 

A flexible capacity warranty covering full system supply, including commissioning and standard product warranty, as well as preventive maintenance is also provided.

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Trina Storage, which was launched in January 2021 by vertically-integrated solar PV company Trina Solar, said that by forging an end-to-end partnership with SMS and third parties it reduced complexity and project delivery times with its supply chain expertise.

To read the full version of this story visit Solar Power Portal.

13 October 2026
London, UK
Now in its second edition, the Summit provides a dedicated platform for UK & Ireland’s BESS community to share practical insights on performance, degradation, safety, market design and optimisation strategies. As storage deployment accelerates towards 2030 targets, attendees gain the tools needed to enhance returns and operate resilient, efficient assets.
19 November 2026
London, UK
The Energy Storage Awards (ESAs) aim to reward excellence and hard work in the European industry, recognising the pioneering spirit and dedication to positive change it represents. Now in their fourth year, the Energy Storage Awards are brought to you by Solar Media, publisher of global energy storage industry website Energy-Storage-News, and host of events including the Energy Storage Summit series in the UK, US, Asia and Australia.

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