Simply Energy are offering $200 welcome credit against your first bills. Looks to be eligible on any plan, rates aren't too bad compared to most other plans but I would recommend switching again once you have used up the credit anyway.
I have checked the eastern states and it appears it may only be for NSW and VIC.
Surprised to see that this hasn't been posted here, so if you regularly churn your utility company it may be suitable for you.
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This deal is now superseded by a new 2024 promotion
Anyone have gone out and come back in and got the welcome credit again?