Which backup power is right for your home?
Compare solar, generators, and battery systems side by side. See real costs, running costs, and payback periods — in Rands, for South Africa.
Independent comparison. We don't sell solar or generators.
Compare Your Options
Every backup power option has trade-offs. We help you see them clearly.
Solar Panels
R55,000 — R380,000 upfront. R0/month running cost. Pays for itself in 3-8 years.
Generators
R4,000 — R75,000 upfront. R1,500 — R8,000/month in fuel. Never pays for itself.
Inverter + Battery
R15,000 — R150,000 upfront. Bridges load shedding using stored Eskom power. No fuel needed.
Solar vs Generator at a Glance
| Solar (5 kW) | Generator (5 kVA) | |
|---|---|---|
| Upfront cost | R85,000 — R130,000 | R10,000 — R22,000 |
| Monthly running cost | R0 | R2,000 — R5,500 |
| 5-year total cost | R85,000 — R130,000 | R130,000 — R352,000 |
| 10-year total cost | R85,000 — R130,000 | R250,000 — R682,000 |
| Noise | Silent | 68-80 dB (noisy) |
| Maintenance | Minimal (clean panels) | Oil changes, filters, fuel |
| Works when grid is on? | Yes — saves you money | No — sits idle |
| Lifespan | 25+ years | 5-10 years |
Guides
Solar vs Generator: The Full Comparison
Every factor compared — cost, noise, maintenance, ROI, environmental impact, and resale value.
How Much Does Solar Cost in SA?
2026 prices for 3kW to 15kW systems, with and without batteries. Province-by-province breakdown.
Load Shedding Backup Guide
All your options ranked by cost and coverage — solar, generators, inverters, gas, and UPS.