UK Pivot Power Brings 5MWh Capacity Battery Online in ‘World’s Largest Hybrid Project’


Invinity’s vanadium flux battery technology at the site, where a 50 MWh lithium-ion battery storage system has been in operation for a few months now. Image: Invinity Energy Systems.

Flux battery company Invinity Energy Systems, alongside developer Pivot Power, have fully powered the UK’s largest flux battery, located in Oxford, England.

It is part of the £ 41million (US $ 54.2million) Energy Superhub Oxford (ESO) project, which aims to support the city’s goal of being carbon-zero by 2040 or before, by incorporating rapid charging of electric vehicles (EV), hybrid battery storage technologies, low carbon heating and intelligent energy management.

As such, the 5 MWh flow battery will combine with a 50 MWh Wärtsilä lithium-ion battery energy storage system (BESS) to function as a single energy storage asset, with the lithium component. -ion active in June.

This will not only make it the largest driveline connected battery installed in the UK to date, but also the largest vanadium and lithium-ion flux hybrid battery ever deployed, Invinity said.

This hybrid approach to energy storage is designed to leverage the strengths of each technology to increase grid resilience and create a smarter and more flexible energy system.

In the ESO hybrid energy storage system, Invinity’s vanadium flux batteries are used to ‘front’ the energy asset, acting as a first line of response when the system is put into service. This means that the lithium ion battery will only be put into service once the required response exceeds the capacity of the Invinity battery.

The Invinity Flow battery therefore does a lot of the “heavy lifting” while reducing wear and tear on the lithium ion battery, the Flow battery does not degrade with use, which means it can run indefinitely.

“The activation of the UK’s largest flux battery is a proud moment for Invinity, but what is even more important is that this innovative project is a model for cities around the world,” said said Larry Zulch, CEO of Invinity.

“This demonstrates that energy storage pioneers such as Pivot Power can work with local government to provide a flexible and scalable grid that supports the transition to renewables and the shift to an electrified, net zero future.”

At the end of last month, work has started on the EV charging station element of the project, with it hailed as the UK’s largest. The site will see the installation of 10 Fastned chargers with a power of up to 300 kW, 16 Gamma Energy chargers with a power between 7 and 22 kW and 12 Tesla Superchargers of 250 kW.

Two other Superhubs, both located in the West Midlands, are now also in the works, Pivot Power having continued its partnership with Wärtsilä. Both are to develop 100 MW / 200 MWh of battery storage distributed over the sites.

This story first appeared on Current ±.


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