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Common questions about the 10 kWp solar system in Malaysia
A 10kWp system in Malaysia is typically assembled from 20–24 panels, a single string inverter or dual micro-inverters, and standard residential mounting hardware. Here is exactly what Trexon supplies and installs:
A homeowner in Selangor with a RM 700/month TNB bill installs a 10kWp system. Their daily consumption is approximately 50 kWh. Here is what changes in Month 1:
Annual savings: approximately RM 6,240–7,000. At an installed cost of RM 28,000–33,000, payback period is 4.2–5.3 years. 25-year total savings exceed RM 170,000 after accounting for 0.5% annual panel degradation.
The 10kWp system sits in the sweet spot for Malaysian homes with RM 500–900 monthly bills. Use this comparison to confirm it is the right fit — or see whether stepping up or down makes more financial sense.
| Specification | 8kWp | 10kWp (This Page) | 12kWp |
|---|---|---|---|
| Panel count | 16–20 | 20–24 | 24–28 |
| Monthly generation (avg) | 880–960 kWh | 1,100–1,200 kWh | 1,320–1,440 kWh |
| Ideal monthly TNB bill | RM 400–600 | RM 600–900 | RM 800–1,200 |
| Typical installed price | RM 22,000–26,000 | RM 28,000–33,000 | RM 34,000–40,000 |
| Roof area required | 38–45 sqm | 50–60 sqm | 60–72 sqm |
| Est. payback period | 4–5.5 years | 4.2–5.3 years | 4.5–5.5 years |
| 25-year savings (est.) | RM 120,000–140,000 | RM 160,000–185,000 | RM 190,000–220,000 |
| ATAP MAQ (30-day cycle) | 600 kWh | 750 kWh | 900 kWh |
A 10kWp system requires 50–60 sqm of usable, shadow-free roof area. "Usable" means the area is free from HVAC units, water tanks, skylights, and vent pipes — and is not shadowed by adjacent buildings, trees, or parapet walls between 9 am and 3 pm.