On: A near 100% renewables grid is well within reach, ...

[bluefirebrand]

It also doesn't sound like actually enough. They never have outages longer than 5 hours?

And even with fully renewable sources they would never have periods longer than 5 hours without much generation?

[Ajedi32 → bluefirebrand]

Looks like they used Gas peaker plants (labeled "Other") to make up the difference during the times that was necessary.

[plantain → bluefirebrand]

Hence the overgeneration.