It is rare for an infrastructure project to be delivered on time and on budget. The Greenlink Interconnector that connects the Irish electricity grid to the UK via a subsea cable is one. Another feather in its cap: The project didn’t face a single planning objection. Built between Wexford and Pembrokeshire in Wales, the project cost €500 million. Construction started in 2022 and finished last year. After a test period in January, it was fully commissioned by mid-April, only a few months behind the anticipated start date of late 2024.  It will now be sold to Baltic Cable AB and…