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Hi Giff, Thanks again. I see what you mean. I found the source of my confusion. AGLs explanation has this which contradicts. I thought the calculation was multiplying the kW by 2 but they're actually multiplying the kWh by 2, which makes way more sense. AGL should really change that graph.

Hi Giff, Thanks for you reply.That's interesting that you are multiplying the energy consumption of 0.133 by 2.The reason the 8kW power measurement is multiplied by 2 is because it is power for 30 minutes i.e. kW x h = kWh (energy i.e Joules). Since 0.133kWh is already a measurement of energy you don't need to multply by 2 to convert to an hour consumption. Then it would be kWh x h = kW(h)^2 which is not a measurement of energy or power. This is one of the reasons for my confusion with the deman ...

Thanks Mark.I did explain to the AGL staff member several times how the AGL's website says it calculates the max and applies it to all days of the billing period and she kept insisting that different areas calculate it differently and mine is calculated on a daily basis. Thanks for clearing that up. I have yet to receive a bill with this new plan, so I'll see what that turns out to be. 1 other peice of information that i get conflicting answers to is how can AGL calculates the demand against a m ...

I agree with their strategy of charging for the max demand on the system for a small period such as 30min. It will create motivation for people to spread out their demand across the demand period.I don't think it's fair to charge someone as if they had that max demand for the entire month if it was just for 1 night. However, I had a call with AGL today and she explained you only get charged the demand charge on a per day basis. So the 1 night I use 8kWhs in 30 minutes, I only get charged the dem ...