SmartResidence.in Is the time ripe to replace DG Backup with Battery Backup
Smart Meters📝
The short answer is yes. It is quite feasible to replace back power based on Diesel Generator to back up power based on Battery backup. It has become specially feasible with the maturing of Lithium Ion Batteries. A quick back of the envelope calculation for 20 kW demand is as follows:
| Description | DG | Battery |
| One Time Cost (Rs) | 250000 | 500000 |
| Daily Run Time (hr) | 1 | 1 |
| One Year Generation (Units) | 7300 | 7300 |
| Cost per Unit | 30 | 10 |
| Annual Cost (Rs) | 219000 | 73000 |
| 5 year Cost (Rs) | 1095000 | 365000 |
It is so clear that the Battery backup has great business case.
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