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.
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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.
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Featured

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

Given its perceived role in unlocking the true potential of the UK’s energy system as it transitions to net zero, the conversation around the Future System Operator no longer centres on if, but when and how. Utility Week gauged the views of smart grid and system operation leads across the energy sector on the roles and responsibilities of the new body and how a functional FSO can be achieved as quickly as possible.
Analysis
Ofgem has invited bids for the third investment round under its “cap and floor” support mechanism for interconnectors. The regulator has also announced a pilot scheme for multi-purpose interconnectors connected directly to offshore wind farms.
News
National Grid’s head of international decarbonisation, Craig Dyke, discusses one of the major announcements of COP26 – the One Sun One World Grid. Writing for Utility Week, he sets out what is needed to make the scheme a success and its potential to achieve secure, reliable and affordable power across the world.
Opinion
As the UK’s ageing fleet of nuclear power stations begins to close – until recently a steady source of low-carbon baseload generation – Utility Week speaks to Simon Morrish, chief executive at XLinks, about its plans to transmit cheap solar power thousands of kilometres across the Atlantic seabed from the sun-drenched deserts of Morocco to help fill the looming gap.
Interviews
Ofgem has given preliminary approval to two high voltage direct current (HVDC) transmission links connecting England and Scotland. The subsea cables – the first two in a series of four such connections proposed along the east coast of Britain – will each have a capacity of 2GW.
News
National Grid Electricity System Operator (ESO) has launched a new programme to build a digital replica of the entire energy system in Great Britain. The ESO said the Virtual Energy System will allow it to generate new ideas and insights, model solutions and predict scenarios.
News
National Grid Electricity System Operator (ESO) has launched a new real-time data dashboard tracking the carbon intensity of Britain’s power grid. The dashboard shows the current generation mix and carbon intensity of the electricity system as well as historic carbon intensity by week and the daily carbon intensity of balancing actions.
News
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.
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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.
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