Whitefish Energy
In newly obtained emails, local officials questioned the company's finances as it sought to build a transformer manufacturing plant near Whitefish, Montana.
The Puerto Rico Electric Power Authority says it stopped payments to Whitefish over a "subcontractor issue."
PREPA executive director Ricardo Ramos had faced scrutiny at a Senate hearing over a repair contract.
Controversial contractor Whitefish Energy had worked on the transmission line that failed.
