Historically in Germany (and most of western and northern Europe AFAIK) a blackout is something that happens every ten years and lasts for two hours. It's rare and inconsequential enough that no-one bothers hedging against them.
Wind and solar are increasing the probability of large blackouts, but the proper solution to that is building more nuclear power, eventually transitioning to fusion.
Historically in Germany (and most of western and northern Europe AFAIK) a blackout is something that happens every ten years and lasts for two hours. It's rare and inconsequential enough that no-one bothers hedging against them.
Wind and solar are increasing the probability of large blackouts, but the proper solution to that is building more nuclear power, eventually transitioning to fusion.