Rhoddwyd pwyslais mawr ar fuddsoddi mewn busnesau yng Nghymru yn ystod y cyfnod adeiladu, gyda £46.8 miliwn yn cael ei wario ar orbenion, ac ar nwyddau a gwasanaethau a ddarparwyd gan gwmnïau yng Nghymru.
A strong emphasis has been placed on investing in Welsh businesses during the construction phase with £46.8 million being spent on goods, services, or overheads from companies in Wales.