Backup power should be designed around what a property actually needs to keep running. T.Wise supports solar, inverter and battery projects from load profiling and equipment planning through installation support, commissioning, upgrades and maintenance.
A system that is too small may not support essential loads when needed, while an oversized system can add unnecessary cost. Load profiling helps separate critical circuits from high-consumption loads and provides a better basis for equipment selection.
For homes, priorities may include lighting, connectivity, security, refrigeration and selected outlets. Businesses may need to protect point-of-sale equipment, networks, office systems, cold storage, access control or other operational loads.
Existing systems can also require expansion, battery replacement, inverter changes, circuit reconfiguration, maintenance or decommissioning. The objective is a practical power solution that is understandable, maintainable and suitable for the way the site operates.

What this service can include
- Energy and load profiling
- Solar system planning
- Inverter and battery solutions
- Equipment procurement support
- System commissioning
- Upgrades, decommissioning and maintenance
Residential and commercial applications
T.Wise supports suitable residential, commercial and managed-property work. The exact scope is based on the condition of the existing system, the required outcome and any operational constraints at the site. A home repair may be completed in one visit, while a commercial upgrade may need to be planned in stages to limit disruption.
Service coverage across Gauteng
This service is available across our primary Gauteng coverage area, including Pretoria, Pretoria East, Pretoria West, Pretoria North, Centurion, Midrand, Johannesburg and Sandton. Surrounding areas can be considered according to project scope.