Hello @Me68, Thank you for taking the time to get in touch with us.
I'm sorry to hear that your tariff has been impacted due the meter exchange and can see why this would be alarming for you.
We can certainly look into your account and assist you with the tariff for your hot water.
So that we can assist you to the best of our ability, we would recommend getting in touch with us via one of the options on https://www.agl.com.au/contact-us and ask to speak with the Resolutions team.
Kind Regards,
Natalie