Read the articles you post. The grid didn't "fail." A power company simply asked customers to conserve because they took six plants offline for some reason.
Now, on the other hand, California is expecting blackouts to happen during the summer months and the state has already officially said they expect a 1,800 MW shortage in generation capacity as a major cause. This shortage is due entirely to that state's energy policy of going Green. Solar and wind simply cannot make up for the losses in nuclear and fossil fuel plant closings the state has forced on power companies.
https://www.businessinsider.com/millions-of-californians-face-summer-blackouts-governor-warns-2022-5
https://gvwire.com/2022/05/06/electricity-blackouts-possible-this-summer-ca-leaders-warn/
Another problem in California is their neglect to increase reservoir capacity by enlarging existing dams and building new ones. This is resulting in a loss of hydroelectric generation because of massive water shortages the state is now facing. Again, this is entirely due to Greentard government policies.
https://www.claimsjournal.com/news/west/2022/04/28/310155.htm
So, while one power company in Texas asks customers to cut back on usage because some of their plants are undergoing maintenance, in California Leftist, Democrat governance is burning the state down quite literally.