I've received an email from Click Energy with an offer that ends 30 June.
When you sign up to them you get a $50 bill credit.
If you're in VIC or NSW you can sign up to gas and electricity and get $50 off each bill ($100 total).
Link to offer:
https://www.clickenergy.com.au/eofy50
This is the link to their terms and condition:
https://www.clickenergy.com.au/terms-conditions/eofy50-promo…
Enjoy!
Could be false economy - check the rates of prospective energy companies with a spreadsheet before deciding.