Values changing

i am collecting my 30Min readings using the api and noticed that i get a negative reading if my solar pv is exporting enough over the 30 minute period. But the -ve values only appear if I access them on the day they occur. If I access the previous days readings on the next or subsequent days then the -ve readings have changed to a positive reading. Can anyone explain this behaviour????


  • Glowmarkt support said the values on the app are replaced by the meter values overnight which are used for billing and exported values are then zero.

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