3 kW Solar System solar system
in North West
North West receives 5.2 peak sun hours/day and pays R2.76/kWh for electricity. A 3 kW Solar System system here saves R600–R900/month — use these province-specific numbers to size your system correctly.
3 kW Solar System in North West — at a glance
- Monthly saving
- R600–R900
- System cost (installed)
- R45,000–R70,000
- Payback period
- 5.3–8 years
- Monthly energy output
- 376 kWh/month
- Peak sun hours/day
- 5.2 h (PVGIS v5.2)
- Electricity tariff
- R2.76/kWh (2025/26)
- Typical panels
- 6–8 × 400W panels
- Inverter example
- Deye 3.6 kW or Goodwe 3 kW
80% yield factor, 60–85% self-consumption. Methodology
Why a 3 kW Solar System system works well in North West
North West province has excellent irradiance at 1,880 kWh/kWp. Rustenburg's mining-sector homeowners with high electricity usage see strong returns on solar investment.
For a 3 kW Solar System system, North West's 1,880 kWh/kWp/year irradiance means annual output of 4,512 kWh. At the province's average residential tariff of R2.76/kWh, that generation is worth R600–R900 per month. With electricity tariffs rising ~10% per year, each year of delay costs you more in both higher bills and lower government tax rebate eligibility.
The 3 kW Solar System system is ideal for 1–2 bedroom home or apartment, with monthly electricity bills in the R800 – R1,500 range. It generates enough power for daytime use in most North West homes, and pairs well with a 5 kWh battery for load-shedding protection.
Battery options for a 3 kW Solar System system in North West
Adding a battery increases self-consumption from 60% to 85% — a R300/month uplift at North West tariffs.
3 kW Solar System solar installers in North West cities
Click a city to see savings calculated with city-specific PVGIS data and your municipality's actual tariff.