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World first battery system for offshore wind

Dong Energy, offshore wind farm

Dong Energy has created a world-first energy storage hybrid by integrating a battery system into its Burbo Bank farm in Liverpool to capture energy created by its offshore wind turbines.

The 2MW battery system will help to balance the grid by capturing energy created by its offshore wind turbines at the 90MW farm off the Merseyside coast. The Burbo Bank Extension offshore wind farm nearby recently saw the world’s largest wind turbines installed.

It is the first time a battery has been used in offshore wind to help manage grid frequency, which must remain around 50Hz to be stable.

“We’re excited to use battery technology to demonstrate this wind power and battery hybrid capability,” said Dong Energy senior vice president for asset management Ole Kjems Sørensen.

“With eight existing offshore wind farms in the UK and another four under construction, we expect to leverage further technology improvements and innovations and ensure that DONG Energy supports the stability of grid systems as generation capacity becomes cleaner and more sustainable,” he added.

The National Grid said it was looking forward to seeing the battery solution installed.

“As Great Britain’s energy mix changes, we know that ensuring a safe and stable supply of energy into future will require more flexible services,” said National Grid head of network capability for electricity Richard Smith.

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