Here's a case study for Denmark: https://www.sciencedirect.com/science/article/pii/S0306261924010882 https://www.sciencedirect.com/science/article/pii/S0306261

Here's a case study for Denmark: https://www.sciencedirect.com/science/article/pii/S0306261924010882 https://www.sciencedirect.com/science/article/pii/S030626192... About the worst you can find in terms of small geographical area and having to deal with both Dunkelflautes and arctic conditions spilling south which often leads to -5C to -15C and near zero wind. Of course excluding that storage is plummeting in price with the latest Chinese auctions with bids submitted December 2024 landing on $62/kWh installed and serviced for 20 years. https://www.ess-news.com/2025/01/15/chinas-cgn-new-energy-announces-winning-bidders-in-10-gwh-bess-tender/ https://www.ess-news.com/2025/01/15/chinas-cgn-new-energy-an...