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500W Solar Panels South Africa

Last updated: January 28, 2026

Slightly smaller than 550W but still efficient. Good option when budget or roof space is a concern.

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Quick answer: choose 500W when you need slightly smaller panels or discounted stock. 500W panels are the previous standard size, still widely available and often discounted. They work well for smaller roofs or budget-conscious installations.

When to Choose 500W

500W panels are good for:

  • Limited roof space (slightly smaller dimensions)
  • Budget installations (often discounted)
  • Existing 500W systems (easy expansion)
  • When 550W panels are out of stock

500W vs 550W Comparison

aspectPower
w500500W
w550550W (+10%)
aspectPrice
w500R1,600-R2,400
w550R1,800-R3,000
aspectSize
w500Slightly smaller
w550Standard
aspectAvailability
w500Decreasing
w550Common
aspectRecommendation
w500Budget/space limited
w550Default choice

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Price Disclaimer: Prices shown were verified on . Prices may change without notice. We earn affiliate commissions on qualifying purchases.

All prices are in South African Rand (ZAR) unless otherwise stated. Shipping costs may apply depending on your location.

Related Pages

550W PanelsPanel Prices

500W Solar Panels FAQs

550W is better value in most cases - 10% more power for similar price and size. Choose 500W only if budget is very tight or you're expanding an existing 500W system for matching purposes.
For a typical South African home: Essentials only (5kW system): 8-10 panels. Average home (8kW system): 14-16 panels. Large home (10kW+ system): 18-22 panels. Calculate based on your monthly electricity usage and roof space.
Quality solar panels last 25-30 years with minimal degradation (0.5-0.8% per year). After 25 years, they still produce 80-85% of original capacity. Tier-1 brands like JA Solar and Canadian Solar offer 25-year performance warranties.

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