PG&E Generation Mix: 5% Biomass & Biowaste, 1% Geothermal, 2% Eligible Hydroelectric, 22% Solar, 9% Wind, 8% Large Hydroelectric, 5% Natural Gas, 49% Nuclear.
https://www.feinstein.senate.gov/public/index.cfm/2022/6/why...
It seems like a big chunk of the Democratic party started supporting nuclear power at roughly the same time. The IRA passed a few months later, with subsidies for nuclear.