
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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