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The energy challenge

Our job is to connect people to the energy they use – to heat and light their homes and to power factories, offices, schools, hospitals and the essential services we all rely on. 

This puts us at the heart of one of Britain’s biggest challenges: how we continue to have secure and affordable energy while meeting ambitious low carbon energy targets and connecting new sources of energy to our communities.

Over the next decade, the country must make the major investment needed to modernise and build the new energy infrastructure the UK requires. 

By 2020 a number of power stations are planned to close including:

- Coal and oil-fired power stations, which are closing due to EU emissions legislation (12GW)
- Nuclear power stations at the end of their asset lives (7.5GW)

More than 20,000MW of new generation is needed by 2020 to replace the power stations that are scheduled to close and to meet the country’s increasing electricity demand.

Find out more about the energy challenge and how National Grid is helping find solutions at

You can find further information about the UK’s Energy Challenge in our factsheet The Energy Challenge

East Anglia

The existing transmission system in East Anglia is able to meet current electricity demand, but more power generation is planned here. A number of generators have asked for a connection to the national transmission system, including:

- East Anglia Offshore Wind Farm (7,200MW)
- Sizewell C nuclear power station (3,300MW)
- King’s Lynn B gas-fired power station (984MW)
- South Holland gas-fired power station (840MW)
- Galloper Offshore Wind Farm (500MW)
- Dudgeon Offshore Wind Farm (500MW)

We have a duty to connect new electricity generators to the electricity transmission network and this is a legal obligation.

The connection we are planning to build between Bramford and Twinstead is needed to provide additional capacity on the National Grid high voltage electricity network in East Anglia. You can find further information about why we need to build a new connection in our Project Need Case for the East Anglia Region document

You can find out more about our role by visiting the National Grid website.