That depends on the station.. Sizewell B is water cooled reactor and has response time measured in minutes or even seconds. An AGR has response times of hours/days.
If you lost cooling on sizewell B and couldn't drop the control rods it would melt down in a few minutes. With an AGR it would take a couple of days.
Taylor's Lane, London
From
Taylor's Lane is an open cycle gas turbine (OCGT) station, situated in Willesden, London, and is operated remotely from Grain power station. It has two units fired on gas-oil with a GRC of 132 MW.
I watched it being built when I worked at United Biscuits in Harlesden.
In article , dennis@home scribeth thus
Noooo!, You'll get the Natural Philosopher started and he won't stop till the wind drops;)...
I sit correct but 132MW isn't very big, I wonder how much juice The City draws.
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember Rod saying something like:
HMS Troutbridge, more like.
But that didn't disappear - it just faded away... eventually.... :-)
Starboard lookout chattin'
"Left hand down ever so very slightly"
Chris
Sshh..
I'm sure there was a table in there somewhere... don't think you had to eat it, though.
In message , The Medway Handyman writes
No, that's across the bridge from you - essex
That would be the best plan...
Nice. I love it.
There is Barking power station, 1GW capacity, and it is north of the river.. However, I don't know if that was one of the nine power stations now reported to have gone off line yesterday.
Colin Bignell
And a few miles inside the M25. Part of the "dash for gas" of the mid
90's.I think you are reading more into the words that are (were) written than they mean. The word used is "unit" which (should) mean a single generator set within a power station. Longannet has 4 units and not sure about Sizewell but I'd expect two to four.
However the maths of nine units dropping off line still don't work though. And according to this:
"A spokesman for Longannet said they had four units but two were under long-term maintenance for the effects of sulphur emissions and two were down as part of their summer programme. as two of Longannet units where off line for longterm maintenace."
As always the media just can't get simple facts right. And I think that story has been edited since the last time I read as the reference to "9 units" has disappeared and it now contradicts itself saying at the top that at 2000BST Wed Sizewell B was back but three paras further down it says that it could take several days to bring Sizewell B back online...
I've noticed this editing/changing of stories on the BBC website before and I find it a little irritating.
No doubt there will be an offical investigation and report produced, I wonder if that will be made public?
At least twice stories have been edited in response to complaints by me. Really there should be a simple way of seeing earlier versions (if that is what people need/want to see) - and indeed knowing that multiple versions have been posted!
One was a statistical thing - story said chances of something had changed - but all that had actually happened was the perception of the chances had changed. I was quite surprised that they did indeed edit the story to make (more) sense.
The reports I read said power stations, but that has now been amended to Sizewell B, Longannet and seven other generating units. Deeside gas plant shut down around 3.30, while South Humber lost 80MW of output and stations in Kent and Nottinghamshire are also said to have lost capacity.
Colin Bignell
Same for me at least once. At least that shows they do take action on the content of the stories but some of the "mistakes" should not be there in the first place. If who ever wrote or makes an edit actually read through the whole piece afterwards they should at least spot contradictions.
Aye, something like the "history" of a wiki page. TBH I would expect something like that must exist internally in case of litigation. But they aren't likely to make it public as it would highlight how crap they are at reporting facts in the first place.
The plot thickens... I guess we'll just have to wait for the offical report to Ofgem from National Grid to be made available, if it ever is.
I'm wary to pin much on the other stations/units dropping off line as I don't know what is "normal". The loss of 80MW when your margin is 1,000MW isn't a big deal but is when your margin hardly exists because a major station has unexpectedly disappeared like Sizewell B and/or Longannet and other stations are still winding up to restore the margin.
I end up being massively impressed by the style, grammar, spelling and everything else about the BBC news pages. I wouldn't have - but I live in Bucks Free Press area and that would make *anything* look good by comparison.
Yes - wiki-style history.
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