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Same inquiry as Lyndon-63 the other day, same property ?
Since the meter is the new thing here, I would be getting it checked, as it might be wired up wrong, or in our case ours had the wrong software installed when we had an issue with it sending data.
Digital meters use a small amount of power, it's insignificant though and sounds like 2kwh a day is not something you usually see with your solar and battery setup.
It's good you have a past period to compare.
I'm not sure if AGL needs to contact the meter contractor, or if it's your electricity supplier, I guess AGL might be responsible for a check if they organised it at your request, or if they arranged it in a routine upgrade.
Best of luck sorting it out.