The Renewables Infrastructure Group (TRIG), an investment company focused on the UK and Northern Europe, has announced that it is at an advanced stage of exclusive discussions with Fred Olsen Renewables about a potential acquisition.The purchase would be of a "significant" minority interest in a portfolio of six operational onshore wind projects in Scotland, with a total capacity of 433 mega watts.The potential acquisition would be funded by TRIG's existing cash resources and by an extension of the group's acquisition facility.