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Electricity supplies tight as National Grid issues two separate notices

The Independent
The Independent
 2022-11-28

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Concerns have been raised over Britain’s energy supply on Monday and Tuesday evenings as the grid operator issued two separate indications that things could get tight.

The National Grid Electricity System Operator issued and then rapidly cancelled a notice that the difference between the amount of electricity available and the supply of electricity would be smaller than hoped for on Monday evening.

It comes as the grid will struggle to rely on nuclear power coming from France , where supply will also be tighter than usual on Monday and Tuesday evenings.

The so-called Capacity Market Notice was issued at 1.33pm, with a warning of a tight grid at 6pm. The notice was cancelled again at 2.04pm.

The alerts are sent out automatically when expected margins drop below a certain level. They do not mean that blackouts are likely.

All 12 capacity market notices that the grid has put out have been cancelled without issue in the last six years.

The notices have become more common this year as Europe goes through an energy crisis. The most recent notice was sent out last week.

It came as National Grid said earlier on Monday that it was considering whether to pay households across Britain to reduce their energy use to help out on Tuesday evening.

The ESO said it was contemplating whether to activate the first ever live run of its Demand Flexibility Service – which is designed to avoid blackouts.

It works by asking households to reduce the amount of electricity they use at certain times – and promises to pay them for any reductions they make.

The scheme was launched earlier this month and has already been tested twice but has not yet run live.

Even though wind is coming back for tomorrow evening’s peak, slow return of nukes in France plus lower temperatures may mean that there is a reduction in available imports across the interconnectors

EnergyAppSys

It comes as forecasts projected a large drop in the amount of power that Britain will be able to import from France.

It will mean that the difference between the amount of electricity available for households and businesses and the amount they will use during peak times will be tight.

“Even though wind is coming back for tomorrow evening’s peak, slow return of nukes in France plus lower temperatures may mean that there is a reduction in available imports across the interconnectors,” according to consultancy service EnergyAppSys.

Millions of people around the country will be settling in to watch England play Wales at 7pm on Tuesday in the teams’ final game in the group stages of the World Cup.

The forecasters also warned that margins will be tight in both Britain and France on Monday evening, meaning both countries will need to import power from abroad.

France has been facing months of problems with its nuclear power plants, which generate around three quarters of the country’s electricity.

More than half of the nuclear reactors run by state energy company EDF have closed due to maintenance problems and technical issues.

It has added to a massive energy crisis in Europe as the country faces a winter without its old gas supplier Russia.

National Grid said that it would decide by 2.30pm on Monday whether to activate the Demand Flexibility Service.

“An anticipated DFS requirement notice has been published for tomorrow, Tuesday,” it said.

“This is an indication that a DFS service requirement might be published today at 2.30pm.”

The system has been tested twice since it was launched a month ago. During both tests businesses and households banded together to reduce demand by a small but significant amount.

So far Octopus Energy is by far the most active energy supplier in the Demand Flexibility Service.

It released data showing that its customers had helped reduce demand by more than 100 megawatts during both tests. That is the same amount of electricity that a small power plant produces.

Octopus said that some of its customers had earned more than £4 during the hour-long sessions, the average saving was “well over £1”.

The scheme is administered by energy suppliers. Households have to register their interest in taking part in advance. They will then get a text or other message saying that the programme will run later in the day.

If they use less electricity than they normally do during the allotted hours, they will be paid for the savings. The customers will not be punished if they decide to keep using electricity as normal.

So far not many suppliers are taking part but National Grid hopes that participation will increase in the weeks ahead.

Comments / 57

David Stoner
11-28

Have the same situation here in the states and the Democrats want to put more demand on a already under capacity grid and actually forcing the closing of power producing plants. While building some so called green energy sources, these projects haven't even made up for the lost supply from plant closures.

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49
Jenny Gage
11-28

Electric is not our future. Anyone pushing electric right now instead of hydrogen which IS the right path, are threatening everyone's security. This time money cannot hold us back. And certainly should NOT be allowed to have a role in decision making regards to energy. Or...we can do nothing and allow them to take us down. Imagine all the vulnerabilities that would exist if for example, the U.S grid went down for 2yrs. The fools that took us down this path would certainly regret it. But once it's done it's done. We lose

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22
Guest
11-28

wow we're going to Evie vehicles I can't wait till the s*** the grid goes down we'll see how many survive it

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25

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