"Renewable Energy Assessment"(PDF). West Coast Regional Council. 4 August 2008. p. 65. Archived from the original(PDF) on 14 October 2008. Retrieved 13 August 2009.
"Renewable Energy Assessment"(PDF). West Coast Regional Council. 4 August 2008. p. 65. Archived from the original(PDF) on 14 October 2008. Retrieved 13 August 2009.