PG&E officially files for an extension with the NRC for the Diablo Canyon Power Plant
There are many pros and cons to keeping Diablo Canyon running, especially cost for the latter.
Diablo Canyon has already tapped into a $1.1 billion grant from the Biden Administration to keep it from shuttering, however it still needs billions in repairs/retrofits to even continue running.
A report by the Environmental Working Group estimates the cost of keeping Diablo Canyon running through 2045 at between $20 and $45 billion:
https://www.ewg.org/research/outrageous-costs-deadly-dangers-real-risks-keeping-diablo-canyon-open