Revisiting minimum profit conditions in uniform price day-ahead electricity auctions

•New market model for minimum profit conditions in non-convex uniform price electricity auctions.•It could help harmonization of bidding products in European day-ahead electricity markets.•Efficient modelling and algorithmic approaches to handle the market model are proposed.•The model is compared to other existing approaches, either real-world or academic ones.•Source code in Julia / JuMP and datasets are provided in an online Git repository.