Solar system sizes & prices for South African homes (2025)
Compare installed costs, monthly savings and payback periods for systems from 3 kW to 15 kW. All prices include panels, inverter, labour and Eskom grid registration.
3 kW Solar System
1–2 bedroom home or apartment
R45 000–R70 000
R600–R1 100
4.5–7 years
6–8 × 400W panels
5 kW Solar System
3–4 bedroom family home
R70 000–R105 000
R1 100–R2 000
4–6.5 years
10–14 × 400W panels
8 kW Solar System
4–5 bedroom home or small business
R105 000–R155 000
R1 800–R3 200
3.8–6 years
16–22 × 400W panels
10 kW Solar System
5+ bedroom home or light commercial
R145 000–R200 000
R2 800–R5 000
3.5–5.5 years
22–28 × 400W panels
12 kW Solar System
Large estate or small commercial
R180 000–R260 000
R3 500–R7 000
3.2–5 years
28–34 × 400W panels
15 kW Solar System
Commercial or large estate
R230 000–R350 000
R5 000–R10 000
3–4.5 years
34–42 × 400W panels
Not sure which size is right for you?
Enter your monthly electricity bill and we'll recommend the best system for your home.