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MMY Engineering Services

Solar System Sizing Tool

Solar Calculator

Off-grid / Hybrid system sizing with NEC wire & breaker recommendations

hrs
%

Load Schedule

NameQtyWattsHrs/dayWh
0
Total0 Wh/day

System DC Voltage

ROI Assumptions (optional)

₱/kWh
₱/yr
yr
%
%

Annual production = Panel Power × Peak Sun Hours × Efficiency × 365. ROI uses a default PH electricity rate of ₱12/kWh and 0.5%/yr panel degradation.

Solar Panel Specs

W
V
V
A
A

Inverter Specs

kW
V

Battery Specs (per unit)

V
Ah

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