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@thinker108 But you’re spending more now because you now have an EV to charge; i.e. it’s reducing the feed in profit because batteries have to be charged longer or instead of feeding in you are using the electricity to charge EV.

@jink926 As per Wikipedia, specifically bolded parts: Return on investment (ROI) or return on costs (ROC) is a ratio between net income (over a period) and investment (costs resulting from an investment of some resources at a point in time). A high ROI means the investment's gains compare...

@jink926 Any extra usage of electricity is negative gearing towards ROI. In order to break even it takes time and it’s based on rate; I.e rate of supply vs usage. Supply should be generally stable (dependant on weather condition) but usage can vary greatly and any extra such as charging EV will...

@jink926 ROI is Return on investment, correct?

@jcvamp Every extra electricity usage above this, such as an EV, will further reduce the savings, thus lengthening the ROI.

@sparrowfeet Ohh didn’t realise. Yes, BYD, but I thought they’re not yet available in Australia. That’s good then. Thanks.

@djwhalen This is the reason why I’m not switching yet. Too many years for ROI and edging close to warranty running out. I’ll wait till LFP-batteries become more readily available for solar storage. Good numbers either way.