1000 kW Solar System: Price in India with Subsidy, Installation Cost, Specifications & More (2026 Guide)
A 1000 kW solar system (1 MW solar power plant) is a large-scale solar solution mainly used by industries, factories, commercial buildings, institutions, and solar developers. With rising electricity costs and strong government support for renewable energy, installing a 1 MW solar plant in India has become a smart long-term investment.
This guide explains the price, subsidy, installation cost, specifications, power generation, benefits, and ROI of a 1000 kW solar system in India for 2026.
What is a 1000 kW (1 MW) Solar System?
A 1000 kW solar system can generate around 14–16 lakh units (kWh) of electricity per year, depending on location and sunlight availability.
It is ideal for:
- Large factories & manufacturing units
- Industrial parks
- Hospitals & universities
- Commercial complexes
- Ground-mounted solar power plants
1000 kW Solar System Price in India (2026)
Average Cost (Without Subsidy)
- ₹4.5 crore to ₹5.5 crore
Price Range Breakdown
| Type of System | Approximate Price |
|---|---|
| On-grid 1000 kW | ₹4.5 – ₹5.2 crore |
| Hybrid 1000 kW | ₹5.2 – ₹5.8 crore |
| Off-grid 1000 kW | ₹6 crore+ |
💡 Prices vary based on panel brand, inverter type, structure quality, and installation location.
Subsidy on 1000 kW Solar System in India
- Residential subsidy is NOT available for 1000 kW systems.
- Commercial & industrial users can benefit through:
- Accelerated Depreciation (up to 40%)
- Net metering benefits
- State-level incentives (varies by state)
- Tax benefits & carbon credits
📌 Large solar plants mainly gain financial benefits through savings, depreciation, and tax advantages, not direct subsidies.
Installation Cost of 1 MW Solar Power Plant
Cost Includes:
- Solar panels (Mono PERC / TOPCon)
- Grid-tied inverters
- Mounting structures (fixed or elevated)
- DC & AC cables
- Junction boxes & safety equipment
- Civil & electrical work
- Net metering & commissioning
Installation Time:
- 3 to 5 months, depending on approvals and site conditions
Specifications of 1000 kW Solar System
| Component | Details |
|---|---|
| Solar Panels | 540W–600W Mono PERC / TOPCon |
| Number of Panels | Approx. 1,700–1,850 |
| Inverters | String or Central Inverters |
| Land Required | 4–5 acres (ground-mounted) |
| Rooftop Area | 90,000–100,000 sq. ft |
| System Life | 25+ years |
| Structure Type | Hot-dip galvanized steel |
Power Generation of 1000 kW Solar Plant
- Daily Generation: 4,000–4,500 units
- Monthly Generation: 1.2–1.4 lakh units
- Yearly Generation: 14–16 lakh units
📍 Generation depends on location, tilt angle, and weather conditions.
Electricity Bill Savings & ROI
Estimated Savings
- ₹6–8 per unit × 15 lakh units/year
- Annual Savings: ₹90 lakh – ₹1.2 crore
ROI (Return on Investment)
- Payback Period: 4–6 years
- 25-Year Savings: ₹20–25 crore+
On-Grid vs Off-Grid vs Hybrid (1000 kW)
On-Grid System (Most Popular)
- Connected to DISCOM grid
- No batteries
- Best ROI and lowest cost
Off-Grid System
- Uses batteries
- High cost
- Suitable for remote locations
Hybrid System
- Grid + battery backup
- Higher reliability
- Higher investment
Advantages of Installing a 1000 kW Solar System
✔ Huge reduction in electricity bills
✔ Protection from rising power tariffs
✔ Clean & green energy
✔ Low maintenance
✔ Long system life
✔ Improves brand image & sustainability goals
✔ Eligible for carbon credits
Maintenance Cost of 1 MW Solar Plant
- Annual O&M cost: ₹6–10 lakh
- Includes:
- Panel cleaning
- System monitoring
- Inverter maintenance
- Safety inspections
Is 1000 kW Solar System Worth It in 2026?
Yes! With high power tariffs, government support, and improved solar technology, a 1 MW solar system is one of the most profitable long-term investments for industries and commercial users in India.
Conclusion
A 1000 kW solar system is ideal for businesses looking to reduce operating costs and move toward sustainable energy. Though the initial investment is high, the returns, savings, and environmental benefits make it a future-proof decision.
If you are planning a 1 MW solar power plant in India, proper site study, quality components, and an experienced EPC partner are key to success.
A 500 kW solar plant typically takes 4–6 weeks for complete installation and commissioning.
FAQs – 1000 kW (1 MW) Solar System in India
1. How much does a 1000 kW solar system cost in India in 2026?
The cost of a 1000 kW (1 MW) solar system in India ranges between ₹4.5 crore to ₹5.5 crore, depending on the type of system, panel quality, inverter brand, and installation location.
2. Is there any government subsidy for a 1 MW solar system?
Direct subsidy is not available for 1000 kW solar systems. However, commercial and industrial users can benefit from:
- Accelerated depreciation
- Tax savings
- Net metering
- State-level incentives (where applicable)
3. How much electricity does a 1000 kW solar plant generate?
A 1 MW solar plant generates approximately:
- 4,000–4,500 units per day
- 14–16 lakh units per year
This depends on sunlight availability and plant location.
4. How much land is required for a 1 MW solar power plant?
A ground-mounted 1000 kW solar system requires around 4–5 acres of land.
For rooftop installations, approximately 90,000–100,000 sq. ft. of shadow-free area is needed.
5. What is the payback period of a 1000 kW solar system?
The average payback period is 4 to 6 years, depending on electricity tariffs, system cost, and energy consumption. After this period, electricity generation is almost free.
6. Who should install a 1 MW solar system?
A 1000 kW solar system is suitable for:
- Industrial units
- Factories & warehouses
- Hospitals and universities
- Commercial buildings
- Solar power developers
7. What is the lifespan of a 1000 kW solar plant?
Solar panels have a lifespan of 25–30 years, while inverters usually last 10–15 years with proper maintenance.
8. What is the maintenance cost of a 1 MW solar plant?
Annual maintenance cost is approximately ₹6–10 lakh, which includes:
- Panel cleaning
- Inverter maintenance
- System monitoring
- Safety checks
9. Which type of 1000 kW solar system is best?
- On-grid system: Best for industries and highest ROI
- Off-grid system: Suitable for remote locations
- Hybrid system: Best for backup power but costs more
10. Can a 1000 kW solar system run heavy industrial machinery?
Yes. A properly designed 1 MW solar system can easily power heavy industrial equipment, especially when combined with net metering or a hybrid setup.
11. Is net metering available for 1 MW solar systems?
Yes, net metering or open access is available for large solar plants, subject to state DISCOM rules and approvals.
12. Is investing in a 1000 kW solar system profitable in 2026?
Absolutely. With rising electricity prices and long system life, a 1 MW solar system can generate ₹20–25 crore+ savings over 25 years, making it a highly profitable investment.