Backup systems for Gauteng homes and businesses
Power cuts affect different properties in different ways. A small home office may need lights, Wi-Fi and a few plugs, while a shop, practice or warehouse often needs fridges, point of sale equipment, alarms or network gear kept running. We help clients in Randburg, Johannesburg, Pretoria, Centurion, Midrand, Roodepoort, Sandton and Fourways work out what to back up and what can stay off during an outage.
Our focus is on practical backup systems built around inverters and lithium batteries. That means easier planning, cleaner changeover during load-shedding, and better control over which circuits stay live. For sites with frequent outages, battery size, inverter capacity and the type of loads all matter.
How to choose the right system size
The right setup starts with the essentials. A small system may cover lights, TV and Wi-Fi. A mid-size setup can include fridges, gates, alarms and selected plugs. Larger properties often need separate circuits for office equipment, servers or shop equipment, with the backup sized to suit the daily usage pattern.
- Note the fridge, Wi-Fi, lights and other circuits that must stay on during Gauteng load-shedding.
- Check the starting surge on motors, pumps and fridges.
- Match the inverter output to the real running load.
- Choose battery capacity based on how long you need backup.
- Allow for future expansion if you plan to add more circuits later.
We can help with backup sizing so the system is neither too small nor over-specified for the load it must carry.
Share what must stay on during an outage and the size of the property, and a backup planner will phone or message you.
Contact formInverters, lithium batteries and essential accessories
Inverter systems convert stored battery power into usable AC power for your property. Lithium batteries are commonly used because they suit repeated cycling and work well in daily load-shedding conditions. In many cases, the quality of the installation and the protection equipment is just as important as the main components.
- Inverter unit sized for the expected load
- Lithium battery or battery bank with suitable capacity
- Changeover or essential circuit board
- Protection devices and cabling sized correctly
- Monitoring setup for battery status and load checking
On coastal or humid sites, correct enclosure placement and cable management matter. In inland Gauteng, dust and heat also need to be considered when choosing the installation position.
Installation, compliance and municipal requirements
All installations must be done by a registered electrician, and a certificate of compliance is required. If the system is grid-tied, municipal registration is also needed. This applies whether the backup supports a small home or a larger business setup.
Proper compliance helps protect the property and avoids issues later if the system is inspected, sold, or adjusted. We support the process with site checks, changeover planning and commissioning, but the final electrical work must be handled by the correct qualified person.
Services that support a working backup system
PowerCut offers support across the full setup process, from planning to after-installation checks. That includes backup sizing, inverter installation, battery installation and essential circuit wiring for selected loads. We also handle system commissioning so the unit is set up and tested properly before handover.
- Site assessments for homes, offices and commercial sites
- Changeover solutions for essential circuits
- Monitoring setup for battery and usage tracking
- Battery expansions for growing load requirements
- Fault checks and routine servicing
For many clients, the useful step is not just buying equipment, but making sure the layout suits the way the property actually runs during outages.
Who we work with across Johannesburg and beyond
Our backup systems are used by homeowners, landlords, shops, offices, medical rooms and other businesses that need a steadier supply during load-shedding. We work across Gauteng, including Johannesburg, Pretoria, Centurion, Midrand and Roodepoort, with regular support in Randburg and nearby areas.
Clients usually start through the enquiry form on our contact page, then we discuss the property, the loads that matter, and the level of backup needed. From there, the system can be matched to the site rather than guessed at, which saves time and helps avoid mismatched equipment.