This is a interesting article written in a simple way to explain the electricity market #NEM - I don't entirely agree with the conclusions about individual building #batteries as opposed to #CommunityBatteries, but if don't have the available funds, they are better than nothing, or getting charged by the retailer to take away your excess power.
https://www.theguardian.com/commentisfree/article/2024/may/19/australia-energy-bills-electricity-costs-comparison-cheapest-renewables-solar