The Haida Gwaii Energy Centre in Masset has been the target of vandals three times this month.The office, at 1740 Hodges Ave. near the former Rec. Centre was hit first between April 30 and May 3, when two panes of glass were broken.Then, between May 5 and 6, two more panes of glass were broken, while between May 11 and 14, a window was broken.Total damage in the three incidents is about $1,000.Police ask anyone with information to contact them at 626-3991 or anonymously through Crimestoppers at 1-800-222-8477.Masset police continue their investigation.