That’s great news!
One thing I just remembered is that the nuclear power plants (Diablo Canyon, Palo Verde) usually shut down for maintenance in the spring when demand is lowest. Otherwise they normally run 24/7 and there wouldn’t be any time during the day when it would be 100% renewables.
https://electrek.co/2024/04/15/renewables-met-100-percent-california-energy-demand-30-days/