The first tranches of bonds, offering 6.85% and a sovereign guarantee, were oversubscribed.
Ineos also asked for assurances that its application for a £9m grant from the Scottish government and a £150m UK loan guarantee were on track.
An Energy Department spokesman, Damien LaVera, said the initial terms of the Solyndra loan guarantee were issued before Mr. Spinner joined the staff.
For many years, those securities, which carried an implicit — that is, not certain — government guarantee, were popular overseas because they yielded more than Treasury bonds but seemed to have little additional risk.
But I could name at least one Tory housing chief who will be wondering just how much estate redevelopment would actually go ahead under a Mayor Goldsmith if such a residents' guarantee were applied.
"The Swiss authorities have elements in hand allowing them to suspect that the amounts paid in connection with this guarantee were not (paid) to the Abu Dhabi sovereign fund that supported the commercial risk," the statement said.
