Difference between Off-Grid and On-Grid Solar SPV Plants for Homes
Choosing the right solar system for your home depends on your electricity needs, budget, and location. The two most common options are Off-Grid Solar SPV Plants and On-Grid Solar SPV Plants. Below is a clear and simple comparison to help homeowners make the right decision.
What Is an On-Grid Solar SPV Plant?


An On-Grid Solar SPV Plant is connected directly to the electricity grid. It generates power during the day, and excess electricity is exported to the grid through net metering.
Key Features
Connected to the government electricity grid
No battery storage required
Excess power is sent to the grid
Lower installation cost
Best For
Homes with reliable grid power
Urban and semi-urban areas
Homeowners looking to reduce electricity bills
Advantages
Cost-effective system
Faster return on investment
Low maintenance
Net metering benefits
Limitations
Does not work during power cuts
Depends on grid availability
What Is an Off-Grid Solar SPV Plant?


An Off-Grid Solar SPV Plant operates independently without any connection to the electricity grid. It uses batteries to store energy for night-time and power outages.
Key Features
Completely independent from the grid
Uses battery storage
Provides power during outages
Ideal for remote locations
Best For
Homes in rural or remote areas
Locations with frequent power cuts
Users needing uninterrupted power
Advantages
Complete energy independence
Reliable power supply
Works during blackouts
Limitations
Higher initial cost due to batteries
Battery replacement required over time
Slightly higher maintenance
Difference between Off-Grid and On-Grid Solar SPV Plants
| Feature | On-Grid Solar SPV | Off-Grid Solar SPV |
|---|---|---|
| Grid Connection | Required | Not required |
| Battery Backup | No | Yes |
| Works During Power Cut | No | Yes |
| Installation Cost | Lower | Higher |
| Maintenance | Low | Medium |
| Ideal Location | Cities & towns | Rural & remote areas |
Which Solar SPV Plant Is Best for Homes?
Choose On-Grid Solar SPV if your home has stable electricity and you want to save on monthly power bills.
Choose Off-Grid Solar SPV if your home faces frequent power cuts or is located where grid power is unreliable.