Calculate electrical losses in transmission lines from solar PV plants to the point of interconnection.
Input Parameters
Results
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Line Current
A
--
Total Line Loss
kW
--
Loss Percentage
%
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Annual Energy Loss
MWh
Note: Transmission losses for solar are typically 1-3%. Higher voltage reduces current and losses (I²R). Annual losses use capacity factor since solar does not operate at full power 24/7.
Reference
I = P x 1000 / (sqrt(3) x V x PF) [3-phase]
R_total = Resistance/mile x Distance
Loss = 3 x I² x R_total / 1000 [kW]
Loss % = Loss / (P x 1000) x 100
Annual Loss = Loss x 8760 x CF / 1000