Conventional generation

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For the fourth year running, the system operator at National Grid has raised its outlook for the de-rated electricity supply margin over the coming winter, this time to 7.8GW – or 12.9 per cent. The figure is up from 7.1GW – or 11.7 per cent – in last year’s forecast.
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At a roundtable event organised by Network in association with National Grid, delegates were invited to consider how localised energy supports the whole energy system.
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Latest in Conventional generation

Elexon, the administrator for the Balancing and Settlement Code, has announced it is returning £1.5 million of cost savings to trading parties. As well as achieving improvements in efficiency, the not-for-profit company said it has seen costs fall since closing its office on 12 March due to the coronavirus lockdown and in light of the economic impact of the pandemic has also decided not to award an annual pay rise to staff.
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The Renewables Infrastructure Group (TRIG) has agreed to buy a 14.3 per cent stake in the newly completed East Anglia One offshore windfarm from the Green Investment Group (GIG) for an undisclosed price. It negotiated the deal in partnership with the InfraRed European Infrastructure Income Fund 4, which will also acquire a 5.7 per cent stake in the installation from GIG.
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National Grid Electricity System Operator has completed its first competitive tender for black start services, awarding contracts worth £84 million to six providers – five of them new. The agreements cover a five-year period beginning in July 2022, although there is also an incentive to begin providing the service earlier if possible.
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Centrica has completed a £16.7 million three-year energy market trial in Cornwall that saw local and national network operators simultaneously buy flexibility for the first time. Participants in the trial, which included 200 homes and businesses, successfully traded 310MWh of flexibility over its course.
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Lloyds Bank head of power and utilities Seung-Yun Oxley discusses the role of finance in helping to achieve the UK’s wind ambitions after prime minster Boris Johnson pledged to power every home across Britain using electricity from offshore windfarms.
Opinion
Utility Week’s Tom Grimwood runs through the events of last week which saw National Grid issue two separate warnings over expected shortfalls in electricity supply and asks whether they are merely the odd blip or the sign of a deeper problem.
Analysis
The government’s plans to prevent future Contracts for Difference winners from receiving top-up payments when power prices fall below zero may have “significant unintended consequences”, Frontier Economics has warned. The consultancy said the use of the day-ahead market as a reference price would create an artificial incentive for generators to sell their power on the intraday and balancing markets. Utility Week speaks to the report's co-author Dan Roberts.
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The lack of a clear strategy and high regulatory barriers are preventing the UK from the taking the lead on hydrogen and handing the first mover advantage to other countries in Europe, according to Aurora Energy Research. Utility Week speaks to research director Richard Howard about his findings.
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For the second consecutive day, National Grid Electricity System Operator (ESO) has issued an urgent call for more generation, as systems margins tightened. Last night it issued an electricity margin notice for a 466MW shortfall this evening. It followed a warning of a potential 740MW shortfall yesterday, which was eventually withdrawn.
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The CBI has urged Rishi Sunak to create new market subsidy regimes to spur the UK’s fledgling CCUS and hydrogen industries. In its submission to the Treasury’s spending review, the employers’ body has included a raft of measures to spur economic growth that also delivers the UK’s net-zero goals
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More than 30GW of onshore wind generation is now operational, under construction or at some stage of planning or development, new research from RenewableUK has revealed. The trade association recently published equivalent figures for offshore wind that showed 41.3GW of capacity in the works in the UK, giving a total across both sectors of almost 72GW.
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A new authority should be established to oversee the North Sea’s development and ensure “uncoordinated” offshore wind farm growth does not deprive hydrogen and carbon capture and storage infrastructure of access to seabed space, an influential right wing thinktank has urged.
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