Electricity connection charges

Connection Charges recover the cost of installing and maintaining connection assets which connect individual users to the GB Transmission Network.

Who does this charge apply to?

✓ Generators
✕ Suppliers
✓ Directly connected transmission demand
✓ Distribution Network Operators
✓ Embedded Generators
✓ Interconnectors

The connection charge is calculated annually.

It consists of a capital component and a non-capital component.

Charges are published in January for each user and take effect from 1 April each year.

 

Understanding the electricity connection charges

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Guide to connection charging (PDF)

Download our short guide to help you understand connection charging

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Charge Modeller (XLS)

The charge modeller provides an indicative cost for the annual connection charge for new assets being installed, and allows you to create hypothetical scenarios on various factors

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Application Fee Calculator (XLS)

The application fee calculator calculates the cost of an application fee based on the location of the connection, size of connection and offer type.

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Connections information

If you want a new connection or already have a connection to the system that you would like to modify, please refer to our connections page.

Visit the Connections page

 

Additional help and support

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Charging guidance

Access a range of guidance materials to help you understand how, when and what you’ll be charged.

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Connection Charges enquiries

Contact us directly to raise a query relating to TNUoS and our publications, or to provide feedback. Please note or usual contact number is currently unmanned due to COVID-19 Homeworking.

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