Often the markets for renewables, especially wind, are set up like futures markets so the price the generator receives is less elastic. e.g. Contracts For Difference: https://www.emrsettlement.co.uk/about-emr/contracts-for-diff...

Normally this operates as a subsidy, but now it's returning money to the taxpayer: https://www.current-news.co.uk/news/cfd-costs-to-be-paid-bac...