When the grid drops, a properly designed backup system disconnects from the utility and continues supplying the circuits wired to its backup output. Which circuits those are is decided during design, not by the equipment.
Essential-load designs keep lighting, plugs, connectivity and refrigeration alive on modest capacity. Full-property backup covers everything but requires considerably more inverter and battery capacity, and we set that expectation before quoting.
Backup options
- Essential-load backup boards
- Full-property backup
- Business continuity backup
- Backup with solar charging
- Backup without solar (inverter and battery only)
- Staged capacity expansion
Loads we usually keep off backup
- Geysers and immersion elements
- Ovens and hobs
- Underfloor heating
- Pool pumps on long cycles
- Large motors and compressors
- Welding and workshop equipment
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