With over a million homes already using solar in Australia the amount of excess energy going back to the grid is enormous. This energy can be put to better use.
The standard rate of supply changes from region to region but the one thing that remains constant is the fact that it is always going up, not down. Export energy pricing is not stable many parts of NSW and is anywhere between 6c and 21c p/kWh, why export? It’s not worth it.