If the storage solution is close to free then the capacity doesn't matter since any new investment would be guarantied profit. Wind, when the weather is optimal

If the storage solution is close to free then the capacity doesn't matter since any new investment would be guarantied profit. Wind, when the weather is optimal, is several time cheaper than fossil fuels. Everyone would rush to just install new renewable capacity. Just this week in Europe, during the summer vacations and when energy usage is at the lowest point during the year, the energy market price still jumps by 3000% when the wind go from high to low.