🇿🇦 South Africa
South Africa Solar Battery Calculator
Size your home backup system for load shedding
Electricity price
R3.80 / kWh
$0.204 USD
Solar irradiance
5.2 kWh/m²/day
Among best in world
Load shedding
2-6 hrs/day
Eskom Stage 2-6
Avg system cost
$1,100 - $3,900
EXW reference price
Why go solar + battery in South Africa?
South Africa's energy crisis isn't going away. Eskom implements scheduled load shedding that can last 2-6 hours per day, costing households and businesses billions in lost productivity.
A home battery system with solar panels is the most reliable way to protect your home from load shedding. Unlike diesel generators, solar + battery is quiet, emissions-free, and actually saves you money over time.
Recommended system sizes for SA homes
Essential
2-4 kWh
Lights, wifi, TV, phone charging
From $1,100-1,700
Standard
4-8 kWh
Above + fridge, freezer, security
From $1,700-2,500
Whole Home
10-15+ kWh
Multiple ACs, full appliances
From $2,500-3,900
Benefits of battery storage
- ✓Keep the lights on during load shedding — no more dark homes and spoiled food
- ✓Cut electricity bills by shifting usage to off-peak hours and using solar during the day
- ✓Reduce generator dependency — no diesel costs, no noise, no maintenance
- ✓Excellent solar resource — South Africa averages 5.2 kWh/m²/day, among the best globally
Size Your System Now
Use our calculator to find the right battery, inverter, and solar setup for your South African home. Takes 2 minutes.
Size my solar + storage systemElectricity price data: GlobalPetrolPrices.com. Solar data: Global Solar Atlas. Product prices: manufacturer reference estimates (EXW USD).