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22 July 2026

Solar Panel Installation Cost in India 2026 Guide

Solar Panel Installation Cost in India 2026 Guide

Introduction

Solar panel installation cost in India in 2026 typically ranges from ₹55,000 to ₹85,000 per kW for a complete on-grid rooftop system, including panels, inverter, mounting structure, wiring, and installation. After applying the PM Surya Ghar Muft Bijli Yojana subsidy of up to ₹78,000, a standard 3 kW home solar system costs a net ₹87,000 to ₹1,47,000, with a payback period of just 3 to 5 years.

With grid electricity tariffs rising every year and the central government offering the largest residential solar subsidy in India's history, 2026 is the strongest year yet to install rooftop solar. This guide covers everything you need to know: complete pricing by system size, exact subsidy amounts, state-level top-ups, the step-by-step installation process, and how to choose the right system for your home.

Solar Panel Installation Cost in India

A "solar installation cost per kW" figure covers a complete, working system, not just the panels. The full package typically includes:

  • Solar PV modules (panels)
  • Solar inverter (on-grid, hybrid, or off-grid)
  • Mounting structure and hardware
  • DC and AC cabling
  • Electrical protections and earthing
  • Installation labour, DISCOM approvals, and commissioning

Here is the 2026 solar panel installation rate for residential rooftop systems in India, based on system quality tier:

Build Tier Cost per kW (2026) Typical Panel Type
Budget ₹55,000 to ₹65,000 Standard Mono PERC
Mid-range ₹65,000 to ₹75,000 Mono PERC half-cut
Premium ₹75,000 to ₹85,000+ TOPCon N-Type, bifacial

The system size you need depends on your monthly electricity consumption. A rough rule of thumb: every 1 kW of installed solar generates approximately 120 units per month in most Indian cities (based on 4 peak sun hours per day), with Gujarat and Rajasthan on the higher side at 150 to 165 units, and northern states dropping to around 90 to 105 units during winter.

Solar Panel Installation Cost by System Size

Here is the complete cost breakdown for the most common home solar system sizes in India, showing the total installation cost before subsidy, the PM Surya Ghar subsidy amount, and the net out-of-pocket cost after subsidy.

System Size Cost Before Subsidy PM Surya Ghar Subsidy Net Cost After Subsidy Roof Space Needed Monthly Units Generated
1 kW ₹55,000 to ₹85,000 ₹30,000 ₹25,000 to ₹55,000 80 to 100 sq ft 90 to 120 units
2 kW ₹1,10,000 to ₹1,60,000 ₹60,000 ₹50,000 to ₹1,00,000 160 to 200 sq ft 180 to 240 units
3 kW ₹1,65,000 to ₹2,25,000 ₹78,000 ₹87,000 to ₹1,47,000 250 to 300 sq ft 270 to 360 units
5 kW ₹2,80,000 to ₹3,80,000 ₹78,000 (capped) ₹2,02,000 to ₹3,02,000 400 to 450 sq ft 450 to 600 units
10 kW ₹5,50,000 to ₹7,50,000 ₹78,000 (capped) ₹4,72,000 to ₹6,72,000 800 to 900 sq ft 900 to 1,200 units

Important note on the subsidy cap

The PM Surya Ghar central subsidy is capped at ₹78,000 for systems of 3 kW and above. Installing a 5 kW or 10 kW system does not increase your central subsidy. However, state governments in Gujarat, Uttar Pradesh, Rajasthan, Bihar, Delhi, and Maharashtra offer additional top-ups.

On-grid vs off-grid pricing

The costs above are for on-grid (grid-tied) systems, which are the most common and the only type eligible for the PM Surya Ghar subsidy. Off-grid systems with battery storage cost significantly more, typically ₹1,20,000 to ₹1,80,000 per kW, because of the added battery bank. Hybrid systems fall between the two.

What Determines Your Solar Panel Installation Cost

Two homes on the same street can pay different amounts for a 3 kW system. Here are the six factors that create the variation.

1. Panel Technology

Standard Mono PERC panels cost ₹22 to ₹28 per watt at the module level. High-efficiency TOPCon N-Type panels cost 10 to 15% more but generate 8 to 12% more energy over their 25-year lifespan. For most Indian homes, mid-range Mono PERC or entry-level TOPCon offers the best balance of price and performance.

2. Inverter Grade

Inverter quality is where many "cheap" quotes cut corners. A basic string inverter for a 3 kW system costs ₹18,000 to ₹25,000, while a premium MNRE-approved inverter with monitoring and BIS certification runs ₹30,000 to ₹45,000. Inverters typically need replacement once during the system's 25-year life, so paying for quality upfront usually saves money over time.

3. Roof Type and Mounting Structure

An RCC (concrete) roof needs simple ballasted or drilled mounts. A tin sheet or metal roof needs custom hooks and waterproofing. A high roof or a difficult access site adds installation labour cost. The mounting structure alone can vary by ₹8,000 to ₹15,000 per kW depending on material grade, coating, and wind-load rating.

4. Location and DISCOM

Solar panel installation cost in Delhi, Mumbai, and Bangalore tends to run higher due to labour rates and logistics. Gujarat, especially Rajkot, Ahmedabad, and Surat, benefits from being India's manufacturing hub for solar modules and offers some of the country's most competitive pricing. The DISCOM in your area also affects timeline and paperwork cost.

5. System Type

On-grid systems are the cheapest and qualify for the PM Surya Ghar subsidy. Off-grid systems (with batteries) cost 60 to 80% more due to battery banks. Hybrid systems (grid-tied with backup batteries) sit in between and are becoming popular in areas with frequent power cuts.

6. Installer Quality

An MNRE-empanelled vendor with a strong service record charges more than a local unbranded installer, but they process the subsidy on your behalf and provide long-term warranty support. This is a critical choice: only MNRE-empanelled vendors can submit the commissioning report needed to claim the PM Surya Ghar subsidy.

PM Surya Ghar Muft Bijli Yojana: The 2026 Subsidy Guide

Launched in February 2024, PM Surya Ghar Muft Bijli Yojana is the Government of India's largest residential rooftop solar scheme. As of 2026, over 40 lakh households have been solarised under the scheme, with ₹14,771 crore in subsidies already disbursed via Direct Benefit Transfer (DBT) to homeowners' bank accounts.

2026 Subsidy Slabs (Central Government)

System Size Central Subsidy
Up to 1 kW ₹30,000
Up to 2 kW ₹60,000 (₹30,000 per kW)
3 kW and above ₹78,000 (₹30,000/kW for first 2 kW + ₹18,000 for 3rd kW)
Special Category States (Northeast, Hill states) Up to ₹1,17,000

The subsidy is credited directly to your bank account within 30 to 45 days of DISCOM commissioning.

Solar Panel Installation Process: How It Works

Here is the typical procedure for solar panel installation once you have chosen your vendor.

1. Site Assessment

The installer inspects your rooftop for shadow-free area, roof type (RCC or metallic), and structural condition. They also calculate the correct tilt angle based on your city's latitude for maximum sunlight capture between 9 AM and 5 PM.

2. System Design

Based on your electricity consumption and available roof area, the installer designs the system: number of panels, inverter capacity, mounting structure, and wiring layout. You receive a detailed itemised quote covering every component.

3. Documentation and Approvals

The installer registers the application on pmsuryaghar.gov.in, coordinates with your DISCOM for technical feasibility, and files all required paperwork. This step typically takes 15 to 30 days.

4. Installation

The physical installation of a residential system usually takes 1 to 3 days, depending on system size and roof complexity. A well-organised installer completes a 3 kW installation in a single working day.

5. Net Meter and Commissioning

The DISCOM installs a net meter (which measures electricity you export back to the grid), inspects the installation, and issues the commissioning certificate. This step takes 20 to 30 days.

6. Subsidy Release

Once commissioned, the subsidy is credited to your bank account via DBT within 30 to 45 days.

Savings and Payback Period

A well-sized residential solar system in India typically pays back its net cost (after subsidy) in 3 to 5 years, and then generates essentially free electricity for another 20+ years.

Here is the math for a typical 3 kW system in Gujarat:

  • Net cost after PM Surya Ghar subsidy: ₹1,18,000
  • Monthly generation: ~360 units (Gujarat gets 5 to 5.5 peak sun hours daily)
  • Monthly savings at ₹8 per unit average tariff: ~₹2,880
  • Annual savings: ~₹34,560
  • Payback period: approximately 3.4 years
  • After payback, the system continues generating for another 21+ years, producing lifetime savings of over ₹7.25 lakh

The savings improve every year as grid electricity tariffs rise, typically by 3 to 5% annually.

Choosing Quality Solar Panels for Your Home

The single most important quality decision in your solar installation is the panel itself. Panels represent 40 to 50% of the system's total cost and determine how much energy your system generates over 25 years.

Look for these markers of a quality solar panel:

  • BIS certification (mandatory for PM Surya Ghar subsidy)
  • ALMM listing (mandatory in 2026; verify the specific model on MNRE's ALMM List I)
  • International certifications: CE, ISO, TUV, UL, IEC
  • IP68-rated junction box for weather and dust resistance
  • 25-year linear power output warranty guaranteeing at least 80% output at year 25
  • Manufactured in India (increasingly important for subsidy compliance under ALMM List II from June 2026)

Leading Indian manufacturers now produce solar panels that match or exceed international standards. Credence Solar, an Indian solar module manufacturer with a 2.2 GW fully automated manufacturing facility in Rajkot, Gujarat, produces BIS-certified TOPCon N-Type and Mono PERC modules suitable for residential rooftop installations. Their high-efficiency TOPCon modules deliver over 23.5% efficiency and are engineered for Indian climate conditions with IP68-rated durability.

For homeowners in Gujarat and across India who want India-made, fully certified modules for their PM Surya Ghar installation, Credence Solar's Quasar N and Hyper Nova N offers a strong option worth discussing with your empanelled installer.

Conclusion

Solar panel installation cost in India in 2026 has never been more attractive for homeowners. With a per-kW range of ₹55,000 to ₹85,000, a central government subsidy of up to ₹78,000, additional state top-ups, and collateral-free loans starting at 5.75%, a 3 kW rooftop system now delivers a payback period under 4 years and 25+ years of near-free electricity thereafter.

If you own your home, have a suitable rooftop with 250+ sq ft of shadow-free area, and pay a monthly electricity bill of ₹2,000 or more, solar is now among the highest-return investments available to Indian households. Gujarat homeowners in particular benefit from the state's leading position in PM Surya Ghar processing and access to India-made solar modules manufactured locally in Rajkot.

Ready to explore solar for your home?

Register your PM Surya Ghar application at pmsuryaghar.gov.in, or explore high-efficiency solar modules manufactured in Gujarat at credencesolar.com.

For enquiries about Credence Solar's residential-grade TOPCon and Mono PERC modules, call +91 90330 72969 or email info@credencesolar.com.

Frequently Asked Questions

1. What is the solar panel installation cost in India in 2026?

Solar panel installation cost in India ranges from ₹55,000 to ₹85,000 per kW for a complete on-grid rooftop system in 2026. A 3 kW home system costs ₹1,65,000 to ₹2,25,000 before subsidy, and ₹87,000 to ₹1,47,000 after the PM Surya Ghar subsidy of ₹78,000.

2. How much is the 1 kW solar panel installation cost?

A complete 1 kW on-grid rooftop solar system costs ₹55,000 to ₹85,000 in 2026 before subsidy. After the PM Surya Ghar central subsidy of ₹30,000, your net out-of-pocket cost is ₹25,000 to ₹55,000.

3. How much is the 2 kW solar panel installation cost?

A 2 kW on-grid rooftop solar system costs ₹1,10,000 to ₹1,60,000 in 2026 before subsidy. After the PM Surya Ghar central subsidy of ₹60,000, your net cost is ₹50,000 to ₹1,00,000.

4. How much is the 3 kW solar panel installation cost?

A 3 kW on-grid rooftop solar system costs ₹1,65,000 to ₹2,25,000 in 2026 before subsidy. After the maximum PM Surya Ghar subsidy of ₹78,000, your net cost is ₹87,000 to ₹1,47,000. A 3 kW system generates approximately 270 to 360 units per month, enough for most 2 to 3 BHK Indian homes.

5. Is there a government scheme for home solar panel installation?

Yes. The PM Surya Ghar Muft Bijli Yojana, launched in February 2024, is the Government of India's flagship residential rooftop solar scheme. It provides a central subsidy of up to ₹78,000 plus up to 300 units of free electricity per month for households installing rooftop solar. The scheme is active until FY 2026-27 with an allocation of ₹22,000 crore in Union Budget 2026-27.

6. Can I get a loan for solar panel installation?

Yes. Under PM Surya Ghar, SBI Surya Ghar Loan (5.75% to 10.15% interest), PNB, Canara Bank, Bank of Baroda, and Union Bank offer collateral-free solar loans up to ₹2 lakh for systems up to 3 kW. Tenures go up to 10 years. Apply through jansamarth.in in a single window.