Wind Companies on the ASX

CBD Energy (ASX: CBD) – Developing wind energy in Australia and NZ
Infingen (ASX: IFN) – Former Babcock and Brown Wind, owns assets in Australia and USA
APA Group (ASX: APA) – Owner of gas infrastructure owns Emu Downs windfarm in Western Australia
AGL Energy (ASX: AGK) – One of Australia’s dominant retailer-generators owns a significant suite of wind energy projects, although they also make less environmentally friendly investments.
 

Watch this space

Many Australian wind farm developers are unlisted. Windlab has been touted to go public since 2009.