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Innovative energy storage for UK wind farm

It is the first time an offshore wind farm is integrating such a storage system to stabilise the frequency of the grid in the UK

The Burbo Bank wind farm supplies electricity for up to 80,000 UK homes. Picture: Dong Energy
The Burbo Bank wind farm supplies electricity for up to 80,000 UK homes. Picture: Dong Energy

Denmark based sustainable energy group Dong Energy has contracted ABB to deliver a battery energy storage system (BESS) for its Burbo Bank offshore wind farm in Liverpool Bay, off the west coast of the UK.


The 90 MW wind farm has been in operation since 2007 and is capable of supplying electricity for up to 80,000 UK homes.


This will, reportedly, be the first time an offshore windfarm integrates a storage system like this to stabilise the frequency of the grid in UK.


The UK’s National Grid operates a frequency level of 50 Hertz (Hz) to ensure grid stability and quality of power supplies.


Grid frequency is dependent on the balance between power supply and load demand. Integration of large amounts of variable wind energy increases complexity from a supply perspective and can result in frequency variations that can affect grid supply and impact consumers.


The 2MW BESS solution will help stabilise grid frequency and support the wind farm to supply reliable power, claims ABB.


“The need for grid flexibility continues to grow. As a leader in providing low-carbon energy, we are keen to be part of the solution to make the energy system smarter and to help National Grid manage grid stability,” said Ole Kjems Sørensen, senior vice president, partnerships, M&A and asset management at Dong Energy.


“This innovative solution we have developed with ABB is a good example of implementing our vision.”


“We are delighted to implement this innovative solution which will enable the integration of clean wind energy, without compromising grid stability and power quality to consumers,” added Giandomenico Rivetti, managing director of ABB’s high voltage products business unit, a part of the company’s power grids division.”


Energy storage is playing a key role in the evolution of the power network and is a strategic focus area to reinforce our position as a partner of choice for a stronger, smarter and greener grid.”

Dong Energy is a leading energy group in Northern Europe. Some 6,200 employees, including more than 900 in the UK, develop, construct and operate offshore wind farms, generate power and heat from power stations as well as supply and trade in energy serving wholesale, business and residential customers.



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