[huijzer]

That doesn’t necessarily lead to a failure. In Texas a nuclear plant went down. About 1.2 (or 4 times that) GW (https://www.keranews.org/news/2023-06-22/with-temperatures-s...).

The grid stayed online. Likely thanks to grid batteries, see aforementioned link.

[deanishe]

Four units with a combined capacity of 1.2GW.

That's a far cry from 10GW.