About One Sun - Off Grid Systems, Solar Panels, Geysers, Batteries, Inverter Installation & Repair
One Sun keeps South African homes and businesses powered when the grid fails. We design, install and repair off-grid systems, solar panels, solar geysers, lithium batteries, and hybrid inverters so you get reliable energy and lower bills. Our qualified technicians handle everything from load matching and COC certification to emergency repairs and scheduled maintenance. With transparent upfront pricing and workmanship guarantees, we match the right kW and kWh to your actual usage.
What we do
- Off-Grid Systems: Full energy independence for homes, farms and remote sites
- Solar Panels: High-efficiency panel supply, install and repair
- Solar Geysers: Cut water heating costs with solar thermal systems
- Batteries: Lithium battery banks from 5kWh to 30kWh+ with safe cabinets
- Inverter Installation & Repair: Hybrid inverters from 3kVA to 12kVA+, plus fast fault fixes
Where we service
We’re active across 4 major metros and their key suburbs:
Johannesburg:
Sandton, Randburg, Roodepoort, Midrand, Fourways, Bryanston
Sandton, Randburg, Roodepoort, Midrand, Fourways, Bryanston
Pretoria:
Centurion, Hatfield, Lynnwood, Waterkloof, Montana, Silver Lakes
Centurion, Hatfield, Lynnwood, Waterkloof, Montana, Silver Lakes
Durban:
Umhlanga, Ballito, Westville, Hillcrest, Kloof, Amanzimtoti
Umhlanga, Ballito, Westville, Hillcrest, Kloof, Amanzimtoti
Cape Town:
Southern Suburbs, Northern Suburbs, Atlantic Seaboard, Somerset West, Durbanville
Southern Suburbs, Northern Suburbs, Atlantic Seaboard, Somerset West, Durbanville
From new installation to maintenance, One Sun keeps your backup reliable.