Calculate energy lost from power curtailment (clipping) when PV output exceeds inverter or grid export limits.
Input Parameters
Results
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DC/AC Ratio
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Daily Clipped Energy
kWh
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Annual Clipped Energy
kWh
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Clipping Loss
%
Note: Clipping occurs when DC power exceeds inverter AC rating. DC/AC ratios of 1.2-1.4 are common; clipping losses are typically 1-4% but offset by lower inverter costs per watt.
Reference
DC/AC Ratio = DC Capacity / AC Limit
Excess Power = DC − AC (when >0)
Daily Clipped ≈ Excess × Clip Hours × 0.5
Annual Clipped = Daily × 365
Clipping % = Clipped / Gross × 100