The Community Power Agency provide a Community Energy Map on their website, it details all the community energy groups that there are information about in Australia. The Agency leads a collaborative effort to maintain the most up-to-date database of Australian community energy groups. This data is then available for publishing into maps, sharing with other data-sets of community energy and for researchers and policy makers. You can add your own too!
Check out the database, and get in contact here:
https://cpagency.org.au/resources/community-energy-map/