National Grid Invests to Extend UK-France Power Link
The 400 million pound investment will keep the cross-channel electrical interconnector operational until 2050.
Updated on Oct. 29, 2026 in Utilities
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National Grid is committing 400 million pounds to upgrade and extend the life of the UK-France IFA interconnector. This infrastructure project aims to bolster two-way electricity flow and strengthen energy security through 2050.
Why it matters
The investment supports long-term electricity reliability by ensuring the 2 GW interconnector can continue meeting energy demand. Strengthening this cross-border connection is essential for managing fluctuations in supply and demand between the UK and France.
The IFA interconnector has a 2 GW capacity and has facilitated 409 TWh of net electricity imports since it began operating in 1986. The site has returned nearly 300 million pounds to UK consumers through payments since 2020.
The players
National Grid
This multinational electricity and gas utility company is headquartered in the United Kingdom and manages critical energy infrastructure.
Réseau de Transport d'Electricité
This French public service company operates the country's high-voltage electricity transmission network and is a joint owner of the IFA.
The details
The project includes extensive upgrades to technical equipment, buildings, and facilities along the 70-kilometer route, which includes 45 kilometers of subsea cable. National Grid is co-managing this initiative alongside Réseau de Transport d'Electricité to sustain the interconnector's performance.
Timeline
The IFA interconnector began operating in 1986.
Payments to UK consumers totaling nearly 300 million pounds started in 2020.
The IFA2 interconnector was commissioned in January 2021.
The ElecLink interconnector was commissioned in May 2022.
Operations for the IFA interconnector are extended until 2050.
Market Landscape
The extension of the IFA interconnector follows the commissioning of other cross-channel assets like IFA2 and ElecLink to expand interconnection capacity. This strategy reflects a broader corporate shift toward strengthening energy grid stability across major European markets.
The continued operation of this interconnector helps stabilize electricity supply for millions of homes across the region. Consumers may benefit from long-term price stability as the grid becomes more resilient and better equipped to handle fluctuating energy demands.
The takeaway
Maintaining and upgrading legacy energy assets is a primary strategy for utilities to avoid the high costs of building new transmission networks from scratch. Consumers can monitor utility communication regarding grid performance to understand how infrastructure investments stabilize energy costs.
Further reading
Find more energy infrastructure news in Utilities.
Source note: This article includes information reported by Offshore-energy.
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