Leighton’s big battery powered up by Energy Minister

Energy Minister Amber Rudd visits UK Power Networks' big battery at Woodman Close, Leighton Buzzard

Energy Minister Amber Rudd visits UK Power Networks' big battery at Woodman Close, Leighton Buzzard

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A two-year trial which could revolutonise the supply of electricity to homes across the country has been switched on in Leighton Buzzard by Energy Minister Amber Rudd.

The Smarter Network Storage project by UK Power Networks has seen a 6MW/10MWh “big battery” installed at one of Leighton Buzzard’s main substation sites at Woodman Close.

Energy Minister Amber Rudd visits UK Power Networks' big battery at Woodman Close, Leighton Buzzard

Energy Minister Amber Rudd visits UK Power Networks' big battery at Woodman Close, Leighton Buzzard

It is large enough to:

> Power about 6,000 homes for 1.5 hours at peak times, or

> Power about 1,100 typical UK homes for a whole day during average or low demand times, or

> Power more than 27,000 homes for an hour.

The building itself is about 760sq metres – about the size of three tennis courts – and is divided into two main rooms.

One houses the transformers and inverter units that convert electricity from direct current to alternating current. The other room houses the battery racks and modules where the energy is actually stored.

The trial, which follows extensive testing of the giant battery, aims to explore ways to maximise the value from energy storage, by offering multiple benefits from the storage to both the local network and the wider UK system.

Ms Rudd, the Parliamentary Under Secretary of State at the Department of Energy and Climate Change, toured the site last Monday before officially switching on the facility.

She said: “It’s great to see first-hand this innovative project – the biggest of its kind not just in the UK but across the whole of Europe.

“Cutting edge smart networks like this will both enhance UK skills and allow us to capture and store new forms of energy generation. This will help us to build a smart grid, which reduces the need for further costly investment in grid reinforcement by enabling greater integration of cleaner renewable energy sources into our existing energy network. That is why schemes like the ‘Big Battery’ are so important for our ambition to move to a low carbon economy.”

Barry Hatton, of UK Power Networks added: “Today marks the start of the two-year trail, during which we will test a wide range of different services that storage can deliver to the network, and the wider electricity system.

“The project involves a range of commercial and technical trials to explore and improve the economics of electrical energy storage, allowing storage to benefit the electricity system in a number of sustainable and flexible ways. We have also been developing a first-of-a-kind platform to help us optimise and manage a wide range of different services that the storage can provide.”

The significant knowledge and learning from the trials, which includes research and recommendations into future regulatory and market frameworks for storage, will be shared with other network operators, trade associations, the Government and regulator Ofgem, and will support the industry in assessing the full potential of electrical storage, enabling more efficient use of storage in the future and reducing overall costs for customers.

Mr Hatton added: “The team have worked incredibly hard to have successfully built Europe’s biggest network-connected battery – a complex technical engineering project.

“This project will have an impact not only for Leighton Buzzard but also nationally and internationally. What we learn here from this exciting and important development will be vital for future similar schemes.”

Smarter Network Storage was awarded funding of £13.2 million from the Low Carbon Networks Fund. This was supplemented with £4 million from UK Power Networks and £1.2 million from project partners – a mix of businesses and academic institutions which are helping to deliver Smarter Network Storage.

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