3 Kw Grid-Tie Solar System
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When this client approached us for a slar system his goal was for some saving on his electricity bill. We designed for him a 2.925 Kw Grid-Tie System (Net-Metering Compliant).which we estimated he could achieve a monthly return/saving of approx. Php 3,000 from his existing electric bill. (Based on monthly average over the period of a year). When his solar system we generating more electricity than he was using, it would feed the excess back to the grid, earning him a subsatnatil credit on his monthly electric bill
This solar system Consists of 3.0 Solis inverter and 9 panels 325w Polycrystalline.
Specifications and Performance Estimates
| Installation Type | Grid Tie |
| Purpose | Social Responsibility / Power Redundancy / Reduce Bill |
| Solar Panels | 9 x 325W Trina Polycrystalline Solar Panel |
| Solar Array Size | 2.925 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 |
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