Dear Abbas, unfortunately, Pyomo does not provide an interface to GCG. As for now, pygcgopt is the only package that can be used to call GCG in python. Best regards Jurgen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://listserv.zib.de/pipermail/scip/attachments/20230419/d1a6d41b/attachment.html>