On 2 Nov,
"Dave Liquorice" wrote:

Not with the total installed capacity of less than 1% of demand. ISTR
they work with a 20% margin of spinning reserve. So if a nuke station
and a big coal fired station fall off line at the same time (say
3,400,000 kW) the grid struggles but doesn't collapse.

That happened a couple of years ago when a Scottish coal fired station
(Longannet?) fell off at the same time as a nuclear. The system survived, but
some cuts and voltage reductions were needed in the short term.

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