Most popular sizes · SA market 20268 kW Solar System solar system
8 kW Solar System solar system
South Africa guide
For larger homes with pools, air conditioners, and home offices. Also suited for small businesses.
Suitable for: 4–5 bedroom home or small businessMonthly bill: R2,500 – R5,000
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8 kW Solar System system at a glance
- System cost (installed)
- R105,000 – R155,000
- Monthly electricity saving
- R1,800 – R3,200
- Payback period
- 3.8–6 years
- Annual energy output
- 11,520 kWh/year
- Typical panel count
- 16–22 × 400W panels panels
- Inverter example
- Sunsynk 8 kW or Deye 8 kW
Based on national avg tariff R2.90/kWh, 1,900 kWh/kWp/yr, 80% yield factor. Methodology
Battery backup options for a 8 kW Solar System system
Add a battery to keep power during load-shedding and increase self-consumption from 60% to 85%.
Stage 6 + overnight
10.2 kWh
Additional cost
+R65,000
Full-day battery independence
15.3 kWh
Additional cost
+R95,000