EU suicidal energy policies are beginning to bear fruits: "Over-Reliance On Renewables Behind Catastrophic Blackouts in Spain and Portugal. Excess solar resulted in too little “inertia,” making the whole system vulnerable".
I am not qualified to express an opinion on that issue but it seems very similar to what has happened in the USA last year which was solved with #bitcoin mining used for stabilizing the grid.
https://www.public.news/p/over-reliance-on-renewables-behind