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Peak sun hours (h/day)
GP
6.2 h/day
WC
5.9 h/day
KZN
5.3 h/day
EC
5.5 h/day
LP
6.1 h/day
MP
5.5 h/day
NW
6.5 h/day
FS
6.5 h/day
NC
6.5 h/day
Modelled annual average · PVGIS 5.2

Solar Financing Calculator

Calculate your monthly payments, potential savings, and return on investment for a solar installation in South Africa.

System & Loan Details

R30,000R500,000
R500R10,000
1 year10 years
0%25%
R0R 150 000

Estimated Monthly Payment

R 3 299

Over 5 years at 11.5% interest

Total Loan Cost

R 197 933

Interest: R 47 933

Monthly Savings

R 2 500

~1753 kWh/month

Payback Period

5.0 years

Break-even point

25-Year ROI

R 600 000

Net savings over lifespan

Net Monthly Cost During Loan

R 799

Payment (R 3 299) minus savings (R 2 500)

Get Personalised Quotes

Estimates based on average solar irradiance of 5.5 peak sun hours/day at R3.44/kWh, with 60% of solar output used at home and savings capped at your bill. Battery excluded. Actual results may vary.

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