Solar Panel Cost in India 2026: Price by System Size

Solar panels in India cost ₹55,000 to ₹75,000 per kW for residential systems in 2026 before subsidies.

After applying the PM Surya Ghar subsidy (up to ₹78,000), a typical 3kW home solar system costs ₹80,000 to ₹1,35,000.

TL;DR corrections:

• Residential systems (1-5kW):

  ₹55,000 to ₹75,000 per kW before subsidy

• Government subsidy:

  Up to ₹78,000 for 3kW and above systems

• Commercial systems (10-100kW):

  ₹35,000 to ₹50,000 per kW (Updated range based on verified data)

• Payback period:

  3 to 5 years with monthly savings ranging from ₹2,000 to ₹7,500

• Price trend:

  Costs have stabilized in 2026 compared to 2025

2026 Solar System Pricing by Capacity

The total cost of your solar installation depends heavily on system size. Larger systems benefit from economies of scale, reducing the per-watt cost significantly.

Residential Solar System Costs (1kW to 10kW)

For detailed information on residential solar installations and customized quotes, explore our residential solar solutions.

Commercial & Industrial Solar System Costs

Planning a commercial solar project? Check our commercial solar services for tailored business solutions.

What's Included in Solar Installation Cost?

Understanding the cost breakdown helps you evaluate quotes from different installers and ensure you're getting quality components.

1. Solar Panel Cost (40-45% of Total)

Different panel technologies come at varying price points:

• Monocrystalline PERC:

  ₹22-₹28/watt (20%+ efficiency, best for limited roof space)

• Polycrystalline:

  ₹18-₹24/watt (15-17% efficiency, budget-friendly)

• Bifacial Panels:

  ₹32-₹40/watt (up to 27% efficiency)

2. Solar Inverter Cost (15-20% of Total)

• String Inverters:

  3kW to 125kW capacity

• Wave Inverters:

  97% efficiency vs 70% traditional PWM are specifically designed for maximum performance. Learn more about

  Wave Hybrid inverter technology

  .

• Warranty:

  10-year standard with smart monitoring features

3. Mounting & Installation (25-30% of Total)

• Mounting structure: ₹10-₹15/watt

• Electrical components: Wiring, junction boxes, MCBs

• Labor & commissioning: Professional EPC services

• Net metering setup: Grid connection and DISCOM approvals

Choosing between rooftop and ground-mounted systems?

Explore our rooftop solar installation services or ground-mounted solar solutions to find the best fit.

Main Elements That Shape Your Solar System Cost

1. System Capacity and Economies of Scale

Larger systems enjoy significantly lower per-watt costs:

• 1kW system: ₹65-₹75 per watt

• 100kW system: ₹35-₹40 per watt

• 1MW system: ₹46 per watt

Installation labor, design costs, and approvals remain relatively fixed regardless of system size.

2. Panel Technology and Efficiency

Higher efficiency panels cost more upfront but generate more power from the same roof area:

• Standard Monocrystalline:

  20% efficiency, moderate pricing

• High-Efficiency Mono:

  22-23% efficiency, 15-20% price premium

• Bifacial Technology:

  25-27% efficiency, 25-30% price premium

For homes with limited roof space, investing in high-efficiency panels makes financial sense.

3. Installation Type and Location

• Rooftop Installation:

  Standard pricing, requires structural assessment

• Ground-Mounted:

  10-15% higher cost

• Gujarat & Rajasthan:

  ₹4.19-₹4.56 crore/MW (lower costs)

• Southern States:

  ₹5.5-₹7 crore/MW (higher labor costs)

Whether you need rooftop or ground-mounted installation, we offer comprehensive rooftop solar services and ground-mounted systems across India.

4. Brand Quality and Warranty

Tier 1 manufacturers cost 10-15% more but offer better warranties:

• Budget Brands:

  10-year product, 20-year performance warranty

• Premium Brands:

  12-15 year product, 25-year performance warranty

Choose brands with MNRE approval, BIS certification, and established service networks.

PM Surya Ghar Subsidy: How Much Can You Save?

The PM Surya Ghar Muft Bijli Yojana offers substantial subsidies to residential consumers.

Subsidy Structure

• 60% subsidy on first 2kW:

  ₹30,000 per kW = ₹60,000 total

• 40% subsidy on 2-3kW:

  ₹18,000 per kW

• Maximum cap:

  ₹78,000 for 3kW or larger systems

Eligibility Criteria

• Indian citizen with valid ID proof

• Own residential property with suitable roof

• Active electricity connection from DISCOM

• Haven't availed any other solar subsidy

Application Process

Subsidy is credited directly to your bank account after installation by MNRE-empaneled vendor, net meter setup, and DISCOM verification.

Over 6.3 lakh installations completed with 70,000 new installations monthly. The scheme is valid until FY 2026-27.

Special Provisions:

• Housing societies can claim ₹18,000/kW subsidy up to 500kW

• Some states offer additional subsidies for Antyodaya families

Need help with the subsidy application process? Read our guide on everything you need to know before going solar for step-by-step assistance.

Return on Investment: When Does Solar Pay for Itself?

Residential Solar ROI

For a typical 3kW home solar system:

Monthly Savings:

• Daily generation: 12-15 units

• Monthly generation: 360-450 units

• Electricity rate: ₹6-₹8/unit

• Monthly savings: ₹2,160-₹3,600

Payback Period:

• Investment after ₹78,000 subsidy: ₹82,000-₹1,32,000

• Annual savings: ₹26,000-₹43,000

• Payback time: 3-4 years

After payback, you enjoy nearly free electricity for 20+ years.

Discover more ways rooftop solar benefits homeowners beyond just cost savings.

Commercial & Industrial Solar ROI

For a 500kW commercial system costing ₹2.4 crores:

• Monthly savings: ₹7.2 lakhs

• Annual savings: ₹86.4 lakhs

• Payback period: 3-5 years

• 25-year savings: ₹15+ crores

• Post-payback energy cost: Under ₹0.50/unit

Additional Benefits

• Protection from tariff hikes:

  Electricity rates increase 6-8% annually

• Tax benefits:

  Commercial installations claim accelerated depreciation

• Property value:

  Homes with solar sell 15-20% faster at premium prices

Want to understand your potential savings better? Check our comprehensive guide on understanding solar energy savings.

Smart Ways to Reduce Your Solar Investment

Optimize Your Purchase

• Apply for PM Surya Ghar subsidy immediately (first-come-first-served)

• Get minimum 3 quotes from MNRE-empaneled EPC companies

• Choose on-grid systems over hybrid to avoid battery costs

• Size system based on actual consumption, not roof availability

Component Selection

• Select mono PERC panels for best efficiency-to-cost ratio

• Choose string inverters for residential setups (lower cost, easier maintenance)

• Verify certifications: MNRE empanelment, BIS marks, IEC compliance

• Opt for local installers to reduce logistics costs

Looking for the best solar panels for your home? Read our expert recommendations on best solar panels for residential use.

Timing Strategy

• Install during off-peak season for better installer rates

• Bundle installations with neighbors for group discounts

• Act before FY 2026-27 subsidy deadline

Ready to start your solar journey? Follow our detailed solar panel installation guide for homeowners to ensure a smooth process.

Frequently Asked Questions

Q1: What is the cheapest solar system I can install in India?

A 1kW solar system costs ₹55,000-₹75,000 before subsidy. After ₹30,000 PM Surya Ghar subsidy, your net cost is ₹25,000-₹45,000. This generates 4-5 units daily, suitable for small apartments.

Q2: Is 3kW solar enough for a home in India?

Yes, a 3kW system generating 12-15 units daily is perfect for typical 3 BHK homes with 300-450 units monthly consumption. It costs ₹82,000-₹1,32,000 after subsidy and pays for itself in 3-4 years.

Q3: Can I get 100% subsidy on solar panels?

No, the maximum PM Surya Ghar subsidy is ₹78,000, covering 40-50% of a 3kW system cost. Some states offer additional subsidies for specific categories like Antyodaya families.

Q4: How much does a 5kW solar system cost after subsidy in 2026?

A 5kW system costs ₹2,30,000-₹2,50,000 before subsidy. After ₹78,000 PM Surya Ghar subsidy, you pay ₹1,72,000-₹2,22,000. This saves ₹15,000-₹25,000 annually on electricity bills.

Q5: Do commercial solar systems get subsidies in India?

Commercial systems above 10kW don't qualify for PM Surya Ghar residential subsidy. However, businesses benefit from lower per-watt costs (₹35-45/watt), accelerated depreciation, and faster ROI through higher consumption.

Ready to Go Solar? Here's Your Next Step

Take action today:

• Calculate your exact system size with our experts at

  Earthwave Solar

• Explore our

  residential solar solutions

  or

  commercial solar services

• View our

  completed projects

  across India

• Read more

  solar energy blogs

  for detailed insights

At Earthwave Solar, we've installed over 120+ MW of solar projects across India. Meet our expert team who can guide you through every step of your solar journey.

Our Wave inverters with 97% efficiency and end-to-end EPC services ensure maximum returns on your investment.

Get your personalized solar cost estimate today. Contact our team for a free consultation and discover how much you can save with solar power in 2026.