This is interesting in the UK because the government agrees on a set a price it will pay wind farms for energy.

If power is expensive the wind farms lose out and get paid less than the value of energy. But when wind power is high and prices low they get paid the guaranteed price at the goverments expense. The government even tells them to turn of the turbines and they still get paid.

Bare in mind peak wind can last weeks rather than solar hours. But this system is one of the main reasons UK is a world leader in wind.

People struggle with the economics of losing money being the optimal solution and they want some magic situation where nothing is wasted at 0 cost but provides all demand exactly when required. Nothing works like that.