If you are interested in joining the collaborative arrangement for the purchase of your gas and/or power or would like further details, please e-mail: CommercialProcurement.Utilities@gov.wales
Os oes gennych chi ddiddordeb mewn ymuno â'r trefniant cydweithredol ar gyfer prynu eich nwy a/neu bŵer neu os hoffech ragor o fanylion, e-bostiwch: CaffaelMasnachol.Cyfleustodau@llyw.cymru