What Body is there to raise complaints with for bad battery installation works?

What Body is there to raise complaints with for bad battery installation works?

The Clean Energy Council can resolve complaints involving workmanship issues that breach the Accreditation Guidelines or relevant Australian Standards by a
Clean Energy Council Accredited Designer/Installer
If the retailer has become insolvent and you are unable to contact the manufacturer, you can lodge a complaint with the retailer’s administrators.
If you have a complaint on a commercial matter – including warranties, payments and contractual issues – you should contact the relevant Fair Trading or Consumer Affairs office in your state or territory. 
- ACT: Fair Trading, (02) 6207 3000 
- NSW: Fair Trading, 13 32 20 
- NT: Consumer Affairs, 1800 019 319 
- QLD: Office of Fair Trading 13 74 68 
- SA: Consumer and Business Services,13 18 82  
- TAS: Consumer Affairs and Fair Trading,1300 654 499  
- VIC: Consumer Affairs,1300 558 181 
- WA: Consumer Protection, 1300 304 054