Interconnection

Editor's picks

Ofgem and the Department for Business, Energy and Industrial Strategy have published an open letter announcing the next steps in their joint review of the offshore transmission regime. The review will be split into three main workstreams covering “early opportunities”, the “pathway to 2030” and the “enduring regime”, as well as a fourth cross-cutting workstream on multi-purpose interconnectors.
News
Ofgem has granted a request by National Grid Electricity System Operator (ESO) to delay its implementation of the Trans European Replacement Reserves Exchange (TERRE) until the beginning of next year. In approving the new timeline, Ofgem warned ESO it needed to improve communication with stakeholders and quickly come up with an implementation plan.
News
A government minister has said a National Grid-backed project to build the world’s longest sub-sea interconnector between Iceland and the UK faces difficulties which will be “extremely difficult” to overcome.
News

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The energy system is evolving, both in how the system is used and in the expectations of those using it. Moreover, the pace of change is accelerating. Together, these trends are shedding light on the importance of grid reliability.
Opinion
Ofgem’s Decarbonisation Action Plan recognises that net zero requires a more holistic regulatory approach – and that it is crucial the costs and benefits of these initiatives fall fairly between different groups of consumers. Sustainability First's Sharon Darcy gives her view.
Opinion
With the UK now just hours away from departing the EU, Utility Week explores what this means for the utilities sector. How will energy collaboration with Europe proceed, and what does this mean for decarbonisation of the grid? Will there be an impact on the efficiency of interconnectors? Will the UK continue to trade in the EU Emissions Trading System? David Blackman discusses these and other issues.
Analysis

Latest in Interconnection

The Department for Business, Energy and Industrial Strategy (BEIS) has issued a consultation on the recoupling of day-ahead power auctions in Great Britain. The day-ahead auctions operated by EPEX and Nord Pool were previously coupled to produce a single clearing price for Great Britain and facilitate the implicit trading of interconnector capacity but these arrangements were brought to an end by the UK’s departure from the European Union.
News
The government has suggested introducing a more centralised strategic approach to the planning and development of offshore wind infrastructure, stating that the current developer-led model is unlikely to deliver the necessary degree of coordination. In a new consultation issued as part of its offshore transmission network review, the Department for Business, Energy and Industrial Strategy (BEIS) said this could include combining offshore wind leasing rounds with Contracts for Difference auctions.
News
Kwasi Kwarteng has postponed a decision on plans for a controversial new electricity interconnector with France. The secretary of state for business and energy has extended the statutory deadline to 21 October.
News
Brexit has pushed the UK to the “back of the queue” for developing interconnectors, Sir Ed Davey has claimed. The former energy and climate change secretary of state said that he “never found any European rules that got in the way” of the UK’s renewable energy push.
News
National Grid has confirmed that the 1GW of the IFA interconnector, which was damaged by fire this week, will be unavailable until 27 March 2022. In more positive news, Britain and Norway have signed a bilateral treaty on electricity interconnection, ahead of the expected commissioning of the 1.4GW North Sea Link between the two countries next month.
News
Ofgem has granted National Grid Electricity System Operator (ESO) a derogation from one of its license conditions to allow the body to limit flows across interconnectors to reduce the size of the largest potential loss on the power grid.  The ESO said the capability is necessary as the drop in frequency resulting from the loss of an interconnector could otherwise become too large to contain during a period of low inertia.
News
The energy minister has revealed that she cannot be involved in the decision on a new electricity interconnector with France, which has been branded a “seedy enterprise” by Labour, because one of its backers has given money to her local Conservative party.
News
Construction is due to start next year on the first interconnector linking the UK and German electricity markets after Boris Johnson and Angela Merkel outlined support for the project at their final meeting.
News
What new pressures on reliability and resilience will tomorrow’s net zero energy system create? Denise Chevin posed the question to participants at a recent Utility Week roundtable in association with S&C Electric.
Analysis
Later this year, National Grid will launch the longest subsea interconnector in the world. Nicola Medalova was appointed as the group’s managing director of interconnectors in April. She writes for Utility Week, as part of our Countdown to COP campaign, on the importance of international co-operation in maximising the potential of renewable generation.
Opinion
Utility Week’s Future Networks Conference was a forum for lively debate on topics from the tenets of net zero-friendly regulation to how networks should support local decarbonisation pathways and what responsibilities that have for stirring up public endorsement of the transition.
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