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In that quoted post there is a mistake in my post which I later (after you posted) changed.
The error is (in the first line) 1-1 which you wrote and I quoted it to BenZ changed it to 70%
My bad.
In my home country, people sometimes have to pay to feed-in (YES you read that correctly), because there they use fluctuating energy prices and sometimes it's even negative.
I am in the process (longer term planning though) is to get enough Batteries in (around 30-40kW) to be a bit autonomous, but that SAID we well NOT discard our PEA line. For example we wired our install that certain points (like the 8kW water heater and a plug for welders) are directly connected to the PEA and thus bypass solar completely.
So we will still receive a bill from the PEA for when we use those.
Also when we have our Batteries in place we will stop exporting (read: Spinning the Meter backwards).
Hopefully soon, the first part, a 10kW Battery pack will be in place, and we will expand gradually.
I could go the full nine yards by getting the full 30kW Pack, but the controlling/deciding/hampering factor is SWMBO
(Someone said to me. slowly slowly catch a monkey and that is what I am doing )