Full installed cost for a 10kW hybrid solar system with dual battery bank, correctly sized for a 4 plus bedroom Sandton home and compliant with SANS 10142 and City Power SSEG requirements.
Solar quotes vary by brand, roof complexity and phase arrangement. This is the range we see across our Sandton installations in 2026, itemised so you can compare quotes on equal terms.
| Component | Price (ZAR) |
|---|---|
| Panels (20-24 x 460W) | R60,000 - R85,000 |
| Hybrid inverter (8-10kW Deye or Sunsynk, single or 3-phase) | R30,000 - R50,000 |
| Dual battery bank 10kWh (Pylontech US3000C stack or Hubble AM-2) | R50,000 - R80,000 |
| Mounting, roof structure and wiring | R10,000 - R18,000 |
| Installation labour | R15,000 - R22,000 |
| Electrical COC | R2,000 - R3,000 |
| City Power SSEG registration | R1,500 - R2,500 |
| TOTAL | R150,000 - R220,000 |
The single largest variable is the battery bank. Pylontech US3000C stacks and Hubble AM-2 units both sit near the top of the residential quality bracket, and the price difference of R30,000 between the low and high end typically reflects battery brand, cell chemistry warranty and inverter compatibility. The second largest variable is the inverter, where a 3-phase 10kW Deye or Sunsynk costs meaningfully more than a single-phase unit of the same nameplate rating.
A 10kW hybrid system is designed for a 4 plus bedroom family home in Sandton with a monthly electricity bill in the region of R6,000 to R9,000. Typical savings sit around R5,000 or more per month at 2026 City Power residential tariffs, which delivers a payback in the region of 3 to 4 years depending on tariff escalation and how disciplined the household is about running heavy loads during daylight hours.
This size makes sense for households with a pool pump, a heat pump or geyser element on a timer, security lighting, several fridges or freezers, and the usual mix of family devices, wifi and entertainment loads. It also gives enough headroom to add a slow electric vehicle charger on daytime solar in the future.
Phase compatibility matters more in Sandton than in most parts of Johannesburg. Many Sandton homes have a 3-phase City Power supply, particularly larger stands, double storey homes and properties with an electric geyser plus a pool plus a borehole. If your home is 3-phase, the correct answer is a 3-phase hybrid inverter that balances output across all three phases and backs up all circuits during an outage.
Where 3-phase inverter budget is tight, a dedicated single-phase feed setup is an alternative. In that arrangement the inverter services a specific critical-loads sub-board and the other two phases remain grid-only. This can work well but only if the sub-board scope is agreed upfront so that expectations match reality when load shedding hits.
These come up regularly when clients ask us to review a competing quote. None are exotic. All are avoidable.
If your home is on a 3-phase City Power supply, you generally want a 3-phase hybrid inverter so that the solar output balances across all three phases. Deye and Sunsynk both offer 3-phase 10kW hybrid inverters. Installing a single-phase inverter on a 3-phase supply means the inverter only backs up one phase, and circuits on the other two phases lose power during outages.
A properly designed 10kW hybrid system with a 10kWh battery bank can carry most of a 4 bedroom Sandton home during daylight hours and cover the essentials through the night. Very large loads like electric geysers, ovens and pool pumps running at the same time will still exceed the inverter output, so we usually recommend a heat pump or geyser timer to spread the load.
A 10kW array uses 20 to 24 panels rated at 460W each. Panels are roughly 1.9m by 1.1m, so you need around 45 to 55 square metres of usable roof space, ideally facing north. Most Sandton family homes have enough north-facing tile or IBR area for this. We complete a roof survey before finalising the design.
Tier-1 panels carry a 12 year product warranty and a 25 to 30 year performance warranty. Deye and Sunsynk inverters carry a 5 year warranty, extendable to 10. Pylontech and Hubble batteries carry a 10 year warranty subject to cycle limits. Installation workmanship carries a 2 year warranty from us and the electrical certificate of compliance is issued under PIRB.
At 2026 City Power residential tariffs, a family running large appliances, a pool pump and evening lighting typically saves R5,000 to R7,000 per month with a 10kW hybrid system. On an installed cost of around R180,000, that delivers a payback in the range of 3 to 4 years, before factoring in the resilience value of load-shedding backup.
Send us your last electricity bill and a roof photo. We will come back with a properly itemised proposal within 48 hours.
Call 010 555 0123