The transition towards renewable energy has increased the importance of virtual power plants (VPPs) in integrating distributed energy resources (DERs). However. questions remain regarding the most appropriate auction mechanisms (pay-as-bid (PAB) versus pay-as-clear (PAC)) and imbalance penalty structures. which significantly influence VPP bidding strategies and market operations. https://miabellesbabyes.shop/product-category/me-spring-dress/