Design a solar-battery-grid hybrid system determining optimal solar fraction, battery size, and grid dependency.
Input Parameters
Results
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Solar Fraction
%
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Grid Import
kWh/day
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Self-Consumption
%
--
Daily Savings
$
Note: Hybrid systems optimize self-consumption and reduce grid dependency. Battery round-trip efficiency is typically 85-95%.
Reference
Solar Generation = PV kW x Sun Hours x 0.85 derating
Direct Use = min(40% of Gen, Load)
Battery Use = min(Excess x 90% eff, Battery Cap x 90%, Remaining Load)
Solar Fraction = (Direct + Battery) / Load x 100