Aiden, the sun being near maximum is not the whole story.
It is the occurrence of sunspots and the expulsion of matter that
passes earth and so upsets the earth's magnetic field resulting in
cosmic rays causing more of less clouds.
This why the cycle has a long period of 600 to 1000 years.

My calculation of 100%/8% was a instantaneous reading.
The load at the time does not matter.
It was an amount x and and 100% of x /8% = 12.5 the number of the
windturbines operating at that time that would be needed to keep the
lights on.
Right now wind & solar is 15% of the load.
So 100%/15% would mean 6.66 times the number of W&S is needed to keep
the lights on.
Forget about batteries, everyone that talks about them ignores the
problem of recharging them. You cannot charge them from the grid,
it is busy keeping everything else going.
They have to be big enough to carry the demand all night till the next morning.
If you are lucky to have a sunny and windy day.
You might have to have additional wind and solar next morning to get
them recharged before the next night.
That means close to duplication of wind & solar as you have to
generate a full nights demand including the peak period.
All that depends on the next day being sunny and windy.
Oh yes, you do not know where the wind will be so you have to have
multiple recharging sites.
And you think 100% x 100% wind & solar is possible at reasonable cost!