Thanks for suggestion,but already taken usage into account.Example, Sat 26/10generated 42.78Sold to grid 33.67 equating to$1.85 ( according to app)feed in rates .10 for first 10. =$1.00bal .033c i.e 23.67x0.033. =$0.78 Total. $1.78.every day the app is wrong, usually overstating the amount in $ terms.Not much use when trying to manage energy costs,if you have to check info being provided by AGL.