Rooftop Solar in India 2026: Solar Panel Price, Installation Cost & PM Surya Ghar Subsidy Guide

Rooftop Solar in India 2026: Solar Panel Price, Installation Cost & PM Surya Ghar Subsidy Guide

Rooftop solar in India is becoming an important option for homeowners who want to reduce their electricity bills and generate clean electricity from their own roof. With increasing interest in solar panel installation, PM Surya Ghar subsidy, and affordable solar systems for home, many consumers are now researching the right system size, price, installation process and expected savings before making a purchase.

If you are searching for solar panel price in India, rooftop solar installation cost, 3kW solar system price, or PM Surya Ghar subsidy, this guide explains the major points you should check before installing a system.

Not sure what size or subsidy fits your home? Try our free solar calculators and myth checker.

What Is Rooftop Solar?

A rooftop solar system uses solar panels installed on the roof of a home or building to generate electricity from sunlight. A typical residential system may include solar panels, an inverter, mounting structures, cables, electrical protection equipment and the required grid connection components.

Depending on the customer's requirement, rooftop solar can be designed as an on-grid solar system, off-grid solar system or hybrid solar system.

For many grid-connected homes, an on-grid rooftop solar system can be a practical option because the system can work with the electricity grid and export eligible surplus electricity according to applicable regulations and the local DISCOM process.

Why Are More Indian Homes Looking at Rooftop Solar?

• To reduce electricity expenses over the long term
• To generate electricity from available rooftop space
• To take advantage of eligible government support
• To increase the use of renewable energy
• To reduce dependence on conventional electricity generation
• To improve long-term energy planning for the household

Recent industry reporting shows continued strong growth in India's residential rooftop solar market during 2026, with PM Surya Ghar playing an important role in household adoption.

PM Surya Ghar Subsidy: How Much Can You Get?

The PM Surya Ghar: Muft Bijli Yojana provides Central Financial Assistance for eligible residential rooftop solar systems. Under the central scheme framework, the subsidy is calculated up to a maximum eligible capacity of 3 kW.

Actual eligibility, installation requirements, vendor conditions, documentation and subsidy processing should always be checked through the official PM Surya Ghar process and the applicable DISCOM.

Read the official PM Surya Ghar scheme information

Solar Panel Price in India: What Actually Determines the Cost?

There is no single fixed solar panel price in India. The final quotation depends on the complete system rather than only the price of the solar modules.

Important cost factors include:

• Solar panel brand and technology
• System capacity such as 1kW, 2kW, 3kW or higher
• On-grid, off-grid or hybrid configuration
• Solar inverter
• Mounting structure
• DC and AC protection
• Cables and electrical accessories
• Installation and labour
• Roof structure and site conditions
• Net-metering and DISCOM-related requirements
• Transportation and additional civil/electrical work

Therefore, comparing two quotations only by their final price can be misleading. Always check the panel model, inverter model, system capacity, protection equipment, warranty, installation scope and after-sales service.

How Much Does a 3kW Solar System Cost?

3kW solar system price in India is one of the common searches among homeowners because a 3kW system can be suitable for many medium-sized residential electricity requirements. However, the final price varies according to equipment, location, installation conditions, brand and configuration.

Instead of looking only for the cheapest 3kW solar system, compare the complete quotation. A professional quotation should clearly mention:

• Solar panel make and model
• Total panel wattage
• Inverter capacity and model
• Mounting structure specification
• Protection system
• Earthing requirements
• Cable specification
• Installation charges
• Warranty details
• Net-metering support

How to Choose the Right Solar System for Your Home

The right system size depends on your electricity consumption, available roof area, sanctioned load, sunlight conditions and the type of system you want.

Before deciding, check your recent electricity bills and identify your average monthly consumption. You should also check whether the roof has sufficient shadow-free area for the proposed installation.

For a detailed guide, read:

How to Choose the Right Solar System for Your Home

Solar Calculator: Estimate Your Requirement Before Buying

Before requesting a quotation, you can use the SolarConnect Solar Calculator to understand your approximate solar requirement and explore a suitable system configuration.

Use SolarConnect Solar Calculator

A calculator can help you understand the relationship between electricity consumption, system capacity and estimated solar generation. Final system sizing should still be confirmed after evaluating the actual site and electrical requirements.

Get a Solar Estimate

Once you have an approximate requirement, you can prepare a more detailed solar estimate. This is useful when comparing the expected system cost with your electricity consumption and available budget.

Open Solar Estimate Tool

Solar Quotation: What Should You Check?

A solar quotation should be more than just a single price figure. Before accepting a quotation, check whether all major components and services are clearly mentioned.

• Solar modules
• Inverter
• Mounting structure
• DC/AC protection
• Earthing
• Installation
• Monitoring system
• Warranty
• Net-metering assistance
• Applicable taxes and additional charges

SolarConnect also provides a dedicated quotation tool for solar requirements.

Prepare a Solar Quotation

Important Things to Check Before Installing Rooftop Solar

Installing solar panels is a long-term investment, so it is important to inspect the site before placing an order.

1. Check available shadow-free roof space.
2. Review your recent electricity bills.
3. Confirm the required system capacity.
4. Check the roof structure and installation area.
5. Compare panel and inverter specifications.
6. Ask about warranties.
7. Understand the installation scope.
8. Check the applicable DISCOM process.
9. Confirm subsidy eligibility before making assumptions about the final cost.
10. Get a detailed written quotation.

For a more detailed checklist, read:

Before You Install Rooftop Solar in India, Check These 7 Things First

Solar Panel Performance Can Change Over Time

Solar generation is affected by sunlight, shading, dust, temperature, orientation, system losses and equipment condition. A system rated at a particular kW capacity does not produce the same number of units every day throughout the year.

If your solar generation appears lower than expected, check shading, dust accumulation, inverter alerts, cable connections, system configuration and other site-specific factors.

Read our detailed guide:

Why Is My Solar Panel Producing Less Electricity?

Solar Panel Price vs Long-Term Value

When comparing solar systems, the lowest quotation is not necessarily the only factor to consider. Equipment quality, installation workmanship, system design, warranty support and after-sales service can all affect the long-term experience.

A good solar purchase decision should therefore compare the complete system rather than only the price per watt.

You can also read our market guide:

Why Solar Panel Prices Go Up and Down: Market Trends, Sun Performance and Buying Benefits

On-Grid vs Off-Grid vs Hybrid Solar

The three common configurations serve different requirements.

On-Grid Solar

An on-grid system is connected to the electricity grid. It is commonly considered by homeowners who want to generate solar electricity while remaining connected to the grid.

Off-Grid Solar

An off-grid system operates independently of the electricity grid and generally requires battery storage to supply electricity when solar generation is unavailable.

Hybrid Solar

A hybrid system combines grid-connected operation with battery storage. It can be useful where backup power is an important requirement, although the additional battery equipment increases system complexity and cost.

Learn more:

On-Grid vs Off-Grid vs Hybrid Solar System

Solar Subsidy and Solar Finance

For many households, the biggest questions are not only about solar panel price but also about subsidy, financing and the amount that needs to be paid after eligible government assistance.

Before choosing a financing option, compare the total system cost, subsidy eligibility, loan interest, EMI, repayment period and expected electricity savings.

Read our detailed guide:

Solar Subsidy and Loan Process in India: Complete PM Surya Ghar Application Guide

SolarConnect Services

SolarConnect provides tools and services designed to make solar planning, estimation and quotation easier for homeowners, businesses and solar professionals.

• SolarConnect Services
• Solar Calculator
• Solar Estimate
• Solar Quotation Tool
• Solar Knowledge Centre & Blog
• Contact SolarConnect

Frequently Asked Questions About Rooftop Solar in India

How much subsidy is available for rooftop solar?

Under the central PM Surya Ghar framework, eligible residential consumers can receive up to ₹78,000 of Central Financial Assistance for systems of 3kW or higher, subject to the applicable scheme rules and eligibility requirements.

What is the price of a 3kW solar system in India?

The price varies depending on panel technology, inverter, mounting structure, protection equipment, installation, location and other components. A detailed quotation should be checked before comparing prices.

Is rooftop solar suitable for every home?

Not necessarily. Roof area, shading, structural conditions, electricity consumption, sanctioned load and local electricity regulations should be evaluated before installation.

Which is better, on-grid or hybrid solar?

It depends on the customer's requirement. On-grid systems are designed around grid-connected operation, while hybrid systems add battery storage for backup-related requirements.

Can I calculate my solar requirement online?

Yes. You can use the SolarConnect Solar Calculator for an initial estimate of your solar requirement.

Final Checklist Before You Buy Solar

• Check your electricity consumption.
• Measure the available rooftop area.
• Check for shadows.
• Compare system capacity.
• Check panel and inverter specifications.
• Understand the complete quotation.
• Check subsidy eligibility.
• Confirm installation and warranty terms.
• Understand net-metering requirements.
• Choose a service provider who can support you after installation.

Plan Your Rooftop Solar System with SolarConnect

If you are planning rooftop solar in India, start by understanding your electricity consumption, available roof area and budget. Use the SolarConnect tools to calculate your approximate requirement, prepare an estimate and explore a suitable quotation.

Start your solar journey with SolarConnect.

Calculate Your Solar Requirement | Get Solar Estimate | Prepare Solar Quotation

Disclaimer: Solar generation, installation cost, subsidy eligibility, savings and payback depend on location, system design, electricity consumption, applicable government rules, DISCOM requirements and site conditions. Government subsidy figures and eligibility should be verified through the official PM Surya Ghar portal and applicable authorities before installation.