The DoE report on California is skewed by rural areas that suffer outages due to wildfires and winter storms. There have been no extended outages that effect large cities on the scale of Houston.
Anyway, I'm not saying Texas' grid is great. It isn't. But California is well below average in power reliability.
> In the last several years the state has increased generation capacity, greatly increased renewables, and improved grid reliability.
It must have been truly terrible before.