3.15 Kw Grid Tie Solar System

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John wanted savings on his power bill so we suggested a 3.15 Kw Grid Tie System (Net-Metering Compliant) giving a monthly return/saving of approx. Php 3,250 from your existing electric bill. (Based on monthly average over the period of a year). with this system, whenever there was more power generation than there was consumption, electricity would be fed back to the grid earning the client a credit on his bill.

This system Consists of 3.0 Solax inverter and 9 panels 350w Monocrystalline.

Grid Tie Solar Sytem Specifications and Performance Estimates

Installation Type Grid Tie
Purpose Social Responsibility / Power Redundancy / Reduce Bill
Solar Panels 9 x 350W JA Polycrystalline Solar Panel


Solar Array Size 3.15 KW
Charge Controller / Inverter SOLIS POWER Sine Wave 500VDC 80A
Inverter Type String Inverter- 2MPPT
Conversion Efficiency 75%
Usable Power 10.8 KWH/Day (13.5 x 0.8)
Grid Power Cost P10 / KWH
Potential Bill Reduction P3,240 / month (10.8 x 10 x 30)
Installation Cost P231,000
Return on Investment 63 Months (5.25 years) (204,000 / 3,240)
Life Expectancy 20 Years
Lifetime Savings (at current rates) P768,000 (3,240 x 12 x 25) – 231,000= P537,000

John’s Grid Tie Solar System Gallery


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