Distributed Energy Resources (DER)

If you are considering installing equipment to generate or store electricity such as wind turbines, solar panels  or combined heat and power units,  we're here to help. 
Need help with existing solar panels
Installing Distributed Generation below 3.68kW 
Installing Distributed Generation rated at 3.68kW or higher
Helpful resources and quick links
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Image of a wind turbines in a field

1. Need help with existing solar panels? 

For example: 

  • You need a letter confirming your solar connection to our electricity network so you can change suppliers
  • You want to find out if your installation has been registered with us
  • You want to find out what additional information we need if your installation isn't registered with us
Image of solar panel on the roof of a detached house
Find out more

2. Installing Distributed Generation below 3.68kW

For example you want to install: 

  • Solar panels 
  • Electric vehicle charging points
  • Electric heat pumps 
Solar panels on the roof of a house
Find out more

3. Installing Distributed Generation rated at 3.68kW or higher

For example you want to install: 

  • Wind farms
  • Solar farms
  • Large scale energy storage
  • Larger scale heat pumps
Image of a wind farm
Find out more

  • Changes to our budgets estimate process

    We have made changes to our budget estimate process, read our guide for more information. 

    Find out more

  • Connections news and events

    We value the views and opinions of our Connections customers, find out more about our future plans and events.

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  • Want to discuss your project?

    Discuss your project with us at one of our DER surgeries before completing an application. 

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  • Accelerated Loss of Mains Change Programme

    Find out more about the industry funding available to help the meet the costs of making Loss of Mains protection changes to your generation site. 

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  • Flexible Connections

    A point of connection without the need to carry out extra work on the electricity network.

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  • Energy storage system

    Electricity storage allows you to store electricity and use it at another time.                                                                                                                                                 

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  • Timed - Profile connection

    A cost-effective way for distributed generation connections over 1MW

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  • Generator owner or operator

    If you are the owner or operator of a site, which is impacted by Extra High Voltage (EHV) outages, we can now keep you updated on planned EHV outages and curtailments affecting your generator on our new Network vision application. 

    Find out more

  • Electric Vehicle Charging Point 

    Looking to install an electric vehicle charging point? Find out if your supply is adequate.

    Find out more

  • Embedded Capacity Register

    The Embedded Capacity Register provides information on Distributed Energy Resources and network requirements. 

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  • Distributed Generation Mapping Tool

    Use our Distributed Generation mapping tool to check the capacity of our network in your local area.

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  • Innovation

    Find out about our innovative projects and how they are benefiting our customers.

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  • Appendix G Summary - East of England

    The Appendix G for the East of England informs National Grid Electricity System Operator (NGESO) of the amount of generation per GSP by us. The available capacity is calculated by NGESO, which can lead to the initiation of reinforcement, operational requirements or Load Management Schemes to permit new connections. 

    Find out more

  • Appendix G Summary - South East of England

    The Appendix G for the Southeast of England informs National Grid Electricity System Operator (NGESO) of the amount of generation per GSP by us. The available capacity is calculated by NGESO, which can lead to the initiation of reinforcement, operational requirements or Load Management Schemes to permit new connections.

    Find out more

Contact us

Call us

Lines are open Monday - Friday 8.30-5.00pm

0800 029 4285