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2019-20 greenest ever winter for GB

2019-20 greenest ever winter for GB: Great Britain had the greenest ever winter last winter. The National Grid‘s annual report has come to the conclusion, which highlights the record for electricity generation last winter had the lowest carbon intensity. The annual report, also shows wind generation continued to grow its generation share, increasing from 18%…
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National Grid secures loan for 760km undersea cable

National Grid secures loan for 760km undersea cable: Almost one and a half million homes will be powered with renewable energy because of a $743 million (£590m) green loan National Grid has secured. An undersea electricity cable, which will connect Bicker Fen in Lincolnshire and South Jutland, Denmark and will enable the systems to share…
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COVID-19 impacts: reduction in inertia levels

COVID-19 impacts: reduction in inertia levels: Analysis by Cornwall Insight reveals that inertia* levels have been falling over time as the proportion of synchronous generation has declined. The below graph highlights the drop in inertia and shows 2020 levels are significantly lower.   While we are not even halfway through the year the shape of…
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Western Link outage and high wind sees constraint cost hit a record

Western Link outage and high wind sees constraint cost hit a record high: The Western Link HVDC suffered an unplanned outage on 10 January, which caused it to remain offline until 8 February. This coincided with record-high levels of wind generation in GB with generation from transmission-connected wind topping 6.3TWh. However, with 2.2GW of HVDC…
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Record EV sales break National Grid’s scenario

Record EV sales break National Grid’s scenario. Electric vehicle (EV) sales bucked the overall 2019 trend of falling car sales with figures from the Society of Motor Manufacturers (SMMT) showing that battery electric vehicles (BEVs) registrations have risen by 144% to 37,850. According to further research from Cornwall Insight on these figures, the BEV sales…
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Scottish wind farms called upon in the Balancing Mechanism

Scottish wind farms called upon in the Balancing Mechanism: Management of wind resources is a critical tool for National Grid in dealing with system constraints, supply and demand imbalance and increasingly inertia*. Data from Cornwall Insight’s Balancing Mechanism (BM) Service highlights that wind was the first most utilised renewable technology asked to turn down in…
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Electric vehicles set to pass National Grid’s projections

Electric vehicles set to pass National Grid’s Consumer Evolution projections. Data published by the Society of Motor Manufacturers and Traders (SMMT) last week saw battery electric vehicles (BEV) record their largest-ever monthly share of new car registrations in August 2019. Further research into these figures by Cornwall Insight shows that at the current pace of…
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A glimpse into the future of wholesale power

Over the Easter holidays, the UK bathed in warm sunshine and as a result, the GB wholesale power market experienced a series of notable events, some that would have once been rare. High levels of embedded solar generation reduced the need for grid-connected energy production, causing the minimum daytime demand to drop below the nighttime…
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UK gas supply mix changed by LNG Imports

The last quarter (Q119) saw a significant change to the UK gas supply mix, as the UK’s gas interconnector imports started to become displaced by a surge in LNG imports. Interconnector imports and LNG send-out have changed from 4.6% and 17.0% of total gas supply in February to 0.1% and 20.6% respectively in March. The…
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