Swiss private equity firm Partners Group (<a href="https://www.six-group.com/en/market-data/shares/share-explorer/share-details.CH0024608827CHF4.html#/" target="_blank">SWX:PGHN</a>) has agreed to sell the 504-MW Greenlink subsea and underground electricity interconnector between Great Britain and Ireland to Baltic Cable AB, which operates an interconnector between Sweden and Germany, and UK-based infrastructure investor Equitix.