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8kW Solar Systems

Last updated: January 28, 2026

For larger homes and higher energy needs. Powers most appliances including air conditioning and multiple high-demand devices.

Quick answer: 8kW suits larger homes with air conditioning or multiple high‑draw appliances. An 8kW system is designed for larger homes or households with higher energy demands. It can handle air conditioning, larger pool pumps, and multiple high-draw appliances simultaneously while still providing excellent backup.

What 8kW Powers

Full capabilities:

  • Everything a 5kW powers - Yes
  • Air conditioning (mid-size) - Yes
  • Pool pump (standard) - Yes
  • Multiple heavy appliances simultaneously - Yes
  • Electric stove (one plate) - Yes
  • Geyser (with management) - Possible
  • Home office equipment - Yes
  • Security systems - Yes

Typical 8kW System

componentInverter
specification8kW Hybrid
examplesDeye, Sunsynk, Victron
componentPanels
specification14-16 x 550W
examples7.7-8.8kW array
componentBattery
specification10-15kWh Lithium
examplesHubble, Pylontech, Freedom Won
componentDaily Generation
specification32-40 kWh
examplesSummer average
componentBackup Time
specification6-12 hours
examplesWith 15kWh battery

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Who Needs 8kW

Best suited for:

  • Large homes (4+ bedrooms)
  • Homes with air conditioning
  • Pool owners wanting pump backup
  • Multiple family members working from home
  • Those wanting near-complete grid independence

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

8kW Solar Systems FAQs

For a standard 3-bedroom home without AC or pool, yes - 5kW is usually sufficient. 8kW is right-sized for: homes with air conditioning, pool pumps, multiple people working from home, or large families with high electricity use.
For essentials (lights, TV, WiFi, fridge): 3-5kW. For average home with some backup: 5-8kW. For full home including high-demand appliances: 8-10kW+. Calculate based on your monthly kWh usage from your Eskom bill.
3kW system: R45,000-R70,000. 5kW system: R80,000-R120,000. 8kW system: R120,000-R180,000. 10kW system: R150,000-R250,000. Prices include panels, inverter, battery, and installation. Quality and battery size affect final cost.

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