FAQ Session

In the day-ahead market customers can sell or buy energy for the next 24 hours in a closed auction. Orders are matched to maximize social welfare while taking network constraints provided by transmission system operators into consideration. Read more here.

To meet carbon reduction targets, the UK needs to introduce significant volumes of low-carbon generation, such as photovoltaic (PV) panels and wind-driven turbines, to replace conventional generation that relies on burning coal and gas. Interconnectors will also play a significant role in meeting the carbon reduction targets. The European Commission set a target of having interconnection capacity of a minimum of 10% of generation capacity by 2020 and proposals to increase this to 15% by 2030. Read more here.

Watch the webinar here.

Read our Operational Transparency Forum slide pack here.

They connect the electricity systems of two countries via high voltage direct current (HVDC) subsea cables. Converter stations at each end of the cable convert DC back to AC, then connects to the onshore transmission network. Electricity flows from the country with the lowest price to the country with the highest price.

You can find interconnector-related content on our Operational Transparency Forum page: https://www.neso.energy/what-we-do/systems-operations/operational-transparency-forum 

The following content may be useful:

• Interconnector Operations Deep Dive – 5th March 2025
• Settlements – 26th Feb 2025
• Managing Operational Margins - 15th Jan 2025
• Low Frequency Event – 17th Jan 2024

You can access this information on Elexon:

Interconnector flows in and out of Great Britain

Interconnectors share and publish this information on REMIT. You can access the REMIT platform through the link below:

https://bmrs.elexon.co.uk/remit