On-Grid
- Connected to the electricity grid.
- Suitable for locations with a grid connection.
- Standard systems switch off during a power outage for safety. Backup generally needs additional compatible equipment.
Off-Grid
- Uses battery storage for energy backup.
- Suitable for locations needing independent power.
- Battery capacity must match your load and days of backup; batteries need care and eventual replacement.
Hybrid
- Combines grid connectivity with battery storage.
- Can provide backup depending on system configuration.
- Needs a hybrid inverter and batteries, which add equipment and cost.
Comparison table
| Feature | On-Grid | Off-Grid | Hybrid |
|---|---|---|---|
| Grid connection | Required | Not required | Required |
| Battery requirement | Not needed | Needed | Needed |
| Backup capability | Generally none during outage unless extra compatible equipment is added | Yes, limited by battery capacity | Yes for selected loads, depending on configuration |
| Typical applications | Homes, shops, offices and factories with a stable grid | Farms, remote sites, places with no grid | Homes and businesses with frequent power cuts |
| Relative initial cost | Lowest | Highest | Medium to high |
| Maintenance considerations | Panel cleaning and periodic checks | Panel cleaning plus battery care and replacement | Panel cleaning plus battery care and replacement |
The comparison is general guidance. It shows relative cost only, not prices or guaranteed savings. Your quotation depends on your site and requirements.
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