National grid alert

bobk

Member
Location
stafford
How? National grid did issue an alert since forecast requirement was 46,300 megawatt and predicted output was 46,600 megawatt ie, about 05% less than capacity. A simple trip going at any point would have been enough to trigger a chain as happened only 18 months ago.
No lights flickering here
 

Highland Mule

Member
Livestock Farmer
No instead of us exporting to France they allowed us to keep our electric.

We were importing last Thursday afternoon, as the historic grid date confirms.

You’re right that at times over winter the UK might export excess power, but that is a mutually beneficial arrangement. Generally, the supply is the other way and France is most often supplying us.
 

roscoe erf

Member
Livestock Farmer
don't panic they told us on the electric car thread infrastructure is all in hand for the great electric car launch in 10 years and us luddites should go bury our heads they even had some expert waffling on about how great it would all be .......................lemmings
 
We were importing last Thursday afternoon, as the historic grid date confirms.

You’re right that at times over winter the UK might export excess power, but that is a mutually beneficial arrangement. Generally, the supply is the other way and France is most often supplying us.

France can afford to export electricity because once you have paid the capital cost of building their reactor fleet, you might as well run them flat out rather than at reduced capacity because the cost of operating them remains virtually identical in either case. Therefore, they export in some situations and import during others, usually if there is an excess of wind power in Europe or similar.

France also has some reactors capable of running in load following mode and I presume they do this to help match supply to demand though at the expense of their overall capacity factor. Despite this, their reactor fleet runs in excess of 80% availability.

The UK does have some open cycle gas turbines and even some diesel generator plants available to carry shortfalls. Such is the price of relying on wind and solar power to any great extent.
 

sjt01

Member
Mixed Farmer
Location
North Norfolk
France can afford to export electricity because once you have paid the capital cost of building their reactor fleet, you might as well run them flat out rather than at reduced capacity because the cost of operating them remains virtually identical in either case. Therefore, they export in some situations and import during others, usually if there is an excess of wind power in Europe or similar.

France also has some reactors capable of running in load following mode and I presume they do this to help match supply to demand though at the expense of their overall capacity factor. Despite this, their reactor fleet runs in excess of 80% availability.

The UK does have some open cycle gas turbines and even some diesel generator plants available to carry shortfalls. Such is the price of relying on wind and solar power to any great extent.
The team that did the 84,000 hour service on my CHP reckons there is a big field near Drax full of diesel gensets that come on at peak. The sooner we can get electric cars and battery storage (domestic and industrial) to do peak lopping the better
 

renewablejohn

Member
Location
lancs
We were importing last Thursday afternoon, as the historic grid date confirms.

You’re right that at times over winter the UK might export excess power, but that is a mutually beneficial arrangement. Generally, the supply is the other way and France is most often supplying us.
Did you not read the article earlier. UK had built into its demand forecast which generated the notification export to France. Once it was highlighted they could be a shortage they renegotiated with France and flipped it from export to import. It happens all the time and is nothing abnormal.
 

Highland Mule

Member
Livestock Farmer
Did you not read the article earlier. UK had built into its demand forecast which generated the notification export to France. Once it was highlighted they could be a shortage they renegotiated with France and flipped it from export to import. It happens all the time and is nothing abnormal.

The one cited in post 104? It’s historic information, not contemporary. The most recent event was different.
 
The team that did the 84,000 hour service on my CHP reckons there is a big field near Drax full of diesel gensets that come on at peak. The sooner we can get electric cars and battery storage (domestic and industrial) to do peak lopping the better

I can't see that mass battery storage for industrial/consumer use will ever stack up. In cars it makes sense because fuel costs are exorbitant. How much money will you pay to store a few kilowatt hours worth only 12-20 pence?
 

farmerm

Member
Location
Shropshire
Apparently this is the first old wives tail about Teslas. They should have the key in or whatever they use
If it is an old wives tale then Teslas are the old wives that spread it...

1607346214468.png
 

TheTallGuy

Member
Location
Cambridgeshire
If it is an old wives tale then Teslas are the old wives that spread it...

View attachment 925510
Basically Tesla don't want to take responsibility if something goes wrong when towing etc as they can't guarantee that the regeneration & charge management system will operate correctly when being towed. There is also the issue that the regeneration electronics aren't rated for continuous operation so may overheat. People have towed charged Tesla cars though....

https://www.carthrottle.com/post/you-can-charge-a-tesla-by-towing-it-but-you-probably-shouldnt/
 

farmerm

Member
Location
Shropshire
Basically Tesla don't want to take responsibility if something goes wrong when towing etc as they can't guarantee that the regeneration & charge management system will operate correctly when being towed. There is also the issue that the regeneration electronics aren't rated for continuous operation so may overheat. People have towed charged Tesla cars though....

https://www.carthrottle.com/post/you-can-charge-a-tesla-by-towing-it-but-you-probably-shouldnt/
Whilst you can tow them should you.. if you tow against the instruction on the manufactures you not only risk voiding warranty if something is damaged but if you do get an overheat and it catches fire your insurance company could well shrug their shoulders and say not our problem. Might make a recovery truck the cheaper option?
 

renewablejohn

Member
Location
lancs
The one cited in post 104? It’s historic information, not contemporary. The most recent event was different.
In what way was it different. The French contract still exists that we help in their peak and they help in our peak. Just does not work as well at this time of year as solar is so low but normally you would expect wind to plug the gap.
 

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