Caller: Sales call - Energy company offer

They will ask how much discount do you receive from your energy provider. If you answer, they will offer you higher discount etc etc. Asked them to remove your phone number and they will say but just give it to another team calling from different phone number.

scam

Telemarketer calling
calls and won't give up when you say I dont want anything!
Do not answer.
Add it to your blocked list.

Called the number back, automated message wanting to discuss “great deals for electricity and gas”

Another nuisance call about utilities

Caller: Energy Comapny

COLD CALL - Calling to discuss electricity.
Response: We charge $250.00 + GST per hour to listen to Cold Calls. The first hour is charged upfront.. how would you like to proceed?

I called back number (03) 8518 6154 rang once then gets disconnected automatically.

rings me multiple times a week and leaves no message.

electrical call.