Discover everything about off grid solar systems in India – from prices, components, battery backup, benefits, and top providers in 2025.
☀️ What is an Off Grid Solar System?
An off-grid solar system is a standalone energy solution that operates independently of the electricity grid. It uses solar panels, solar inverters, and battery storage to generate and store power for household or commercial use.
It’s ideal for:
- Remote or rural areas with no grid connection
- Homes wanting complete energy independence
- Areas with frequent power cuts
⚙️ Components of an Off Grid Solar System
1. Solar Panels
Convert sunlight into direct current (DC) electricity.
2. Charge Controller
Regulates voltage and current to prevent battery overcharging.
3. Battery Bank
Stores the excess energy generated during the day for use at night or cloudy days.
4. Off Grid Inverter
Converts DC electricity from the batteries into alternating current (AC) for home appliances.
5. Mounting Structure & Wiring
Physical support and electrical connectivity for the system.
💸 Off Grid Solar System Price in India (2025)
| System Capacity | Area Required | Backup Hours | Price (Approx) |
|---|---|---|---|
| 1 kW | 80–100 sq. ft | 4–5 hrs | ₹85,000 – ₹1,10,000 |
| 2 kW | 150 sq. ft | 6–8 hrs | ₹1,60,000 – ₹2,00,000 |
| 3 kW | 250 sq. ft | 8–10 hrs | ₹2,40,000 – ₹2,80,000 |
| 5 kW | 400 sq. ft | 12 hrs+ | ₹3,80,000 – ₹4,50,000 |
| 10 kW | 700+ sq. ft | 15–24 hrs | ₹7,50,000 – ₹9,00,000 |
Prices vary based on battery type (Lead Acid vs Lithium-ion), brand, installation location, and warranty coverage.
🔋 Battery Options for Off Grid Systems
✅ Lead Acid Battery (Tubular)
- Lower upfront cost
- 3–5 years lifespan
- Requires regular maintenance
✅ Lithium-ion Battery
- Higher cost but long lifespan (7–10 years)
- Faster charging, maintenance-free
- Compact and space-saving
🏠 Who Should Buy an Off Grid Solar System?
- Farmhouses, rural homes with no reliable electricity
- Construction sites, schools, and remote institutions
- Homeowners seeking total energy independence
If you have high electricity consumption and suffer from power cuts, off-grid is ideal.
✅ Pros and Cons
✅ Pros:
- 100% energy independence
- No electricity bill
- Works in remote locations
- Powers your home during outages
❌ Cons:
- Higher upfront cost
- Battery maintenance (for lead acid)
- Limited power availability in poor sunlight
🏢 Top Off Grid Solar Providers in India (2025)
1. Carbonil
Website: carbonil.in
Specializes in lithium-based off-grid systems with hybrid options.
2. National Green Shop
Website: nationalgreenshop.com
Known for turnkey off-grid solar kits with installation.
3. Loom Solar
Offers premium lithium battery kits and rooftop packages.
4. Tata Power Solar
Renowned for commercial and residential solar installations.
5. Utl Solar
Affordable off-grid inverters and panels for rural homes.
❓ FAQs
Can an off grid solar system power an entire house?
Yes, a well-designed off grid system can power all appliances including fridge, lights, fans, and even air conditioners with proper sizing.
Is an off grid system better than an on-grid system?
It depends. Off grid is best for remote areas or people seeking energy independence. On-grid is better for urban homes with net metering.
Do I need permission to install an off grid solar system?
No government approval or net metering registration is needed since it’s not connected to the grid.
How many panels are needed for a 5kW off grid system?
Roughly 12–15 panels of 400W each are needed depending on panel efficiency.
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