Gridly
Solar Export Loss Calculator
See how much money your solar system is exporting at low feed-in rates each year - and what a battery or solar EV charger could recover.
What % of your solar is used directly in your home
Your Results
Annual export (kWh)
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exported to grid per year
Export income ($/yr)
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at your feed-in tariff
Lost value vs self-consuming ($/yr)
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the opportunity cost
Daily export (kWh)
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Value if self-consumed ($/yr)
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FiT income ($/yr)
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Calculator notes
Lost value = what you'd save if you could self-consume all exported power instead of exporting at FiT. A home battery or solar EV charger (like the Zappi or Evnex E2 Plus) can capture a significant portion of this - typically 50-80% depending on your usage pattern.