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 are active across Johannesburg major metros and their key suburbs:

Randburg:
Ferndale, Fontainebleau, Parktown, Bromhof, North Riding, Boskruin

Sandton:
Fourways, Bryanston, Rivonia, Morningside, Parkmore

Roodepoort:
Florida, Wilro Park, Weltevreden Park, Northgate, Little Falls

Krugersdorp:
Roodepoort West, Noordheuwel, Chancliff, Ruimsig, Kenmare

From new installation to maintenance, One Sun keeps your backup reliable.