David Infield, of the University of Strathclyde, was speaking as he gave Ladies' College students an overview of the technology, which is reportedly one of the fastest growing forms of electrical generation.
Mr Infield, who also gave a public lecture to the Performing Arts Centre last night, said it appeared to make more financial sense for Guernsey to invest in offshore wind power rather than Jersey.
'Jersey has a direct electricity cable with France and gets a good deal financially.
'Jersey carried out a study and figured it would cost too much money to generate their own electricity, even though the cost of offshore electricity will be cheaper in the future.
'But it is less clear cut for Guernsey, which relies on diesel generated,' he said.
'I would say there is a stronger case financially here than there is in Jersey.
