Which solar company is best for home rooftop in India?

The best company depends on your needs. For a basic home system with wide service access, Luminous or Livguard have strong dealer networks. For lithium-hybrid inverters with modern features, look at Nexus Solar Energy or UTL. For panels, Waaree and Vikram are well-known Indian manufacturers.

What is the difference between on-grid and hybrid solar inverters?

On-grid inverters connect only to the grid and export excess solar power. Hybrid inverters work with batteries, grid, and solar panels — they provide backup during power cuts and can also export to the grid. For homes with frequent power cuts, hybrid inverters are the better choice.

Are Chinese solar panels better than Indian ones?

Indian solar module manufacturers like Vikram Solar, Waaree, and Goldi Solar produce panels that meet international quality standards. Many Indian manufacturers export to global markets. The choice should be based on warranty, efficiency ratings, and local service availability rather than country of origin.

How much does a 5kW home solar system cost in India?

A 5kW home solar system in India typically costs between ₹2,50,000 and ₹4,00,000 depending on the components — panels, inverter, battery, and installation. Prices vary based on panel type, inverter brand, and battery choice. Contact a local installer for exact pricing.

What warranty do solar companies offer?

Solar panel manufacturers typically offer 25-year performance warranties and 10–12-year product warranties. Inverter warranties range from 5–10 years depending on the brand. Battery warranties vary — lead-acid batteries have 2–3 year warranties, while lithium batteries typically have 5–10 year warranties.

Top 10 Solar Companies in India 2026: Manufacturers Compared by Segment

India’s solar market has grown rapidly over the past five years. With rooftop solar subsidies, PM Surya Ghar scheme, and rising electricity bills, more homeowners and businesses are going solar. But not all solar companies do the same thing. Some build large utility-scale solar farms. Some make panels. Some focus on home inverters and batteries.

This guide compares 10 solar companies by segment, so you can pick the right one for your needs — whether you are a homeowner, a shop owner, or a commercial buyer.

How to Actually Choose a Solar Company

The biggest mistake buyers make is chasing brand names instead of matching the company to their needs. A company that builds 500MW solar parks may not be the right choice for a 3kW home rooftop system.

What to check:

Product range: Does the company make what you need — panels, inverters, batteries, or complete systems?
Service network: Is there a dealer or installer near your location?
Warranty and support: What does the warranty cover? Is there local service?
Your use case: Home backup needs different products than a factory or a farm.

Segment matters more than brand size.

Utility-Scale Solar Leaders

These companies build large solar farms and supply to government projects, independent power producers, and industrial buyers.

Tata Power Solar

Tata Power Solar is one of India’s oldest and largest solar companies. It is part of the Tata Group and operates across the solar value chain — from cell and module manufacturing to EPC (engineering, procurement, and construction) for large projects.

What they do: Solar cells, solar modules, rooftop solar, utility-scale solar farms, solar pumps.

Known for: Strong project execution track record, government project partnerships, and wide distribution.

Best for: Buyers who want an established brand with long history and pan-India service. Suitable for large commercial rooftop projects and industrial solar installations.

Adani Solar

Adani Solar is part of the Adani Group and operates one of the largest integrated solar manufacturing facilities in India. The company produces solar cells and modules and is involved in large-scale solar power projects.

What they do: Solar cells, solar modules, large solar parks, rooftop solar.

Known for: Large manufacturing capacity, vertical integration, and involvement in major solar park projects across India.

Best for: Utility-scale project developers, large commercial buyers, and government tenders.

Waaree Energies

Waaree Energies is a Mumbai-based solar company with manufacturing facilities in Gujarat. The company produces solar modules, inverters, and offers EPC services. Waaree has one of the largest module manufacturing capacities in India.

What they do: Solar modules (mono and poly), inverters, solar rooftops, EPC services.

Known for: High module manufacturing capacity, export presence, and rooftop solar solutions.

Best for: Buyers looking for Indian-made solar modules with international quality certifications. Good for both residential rooftops and commercial projects.

Module Manufacturers

These companies focus primarily on making solar panels. They supply to installers, EPC companies, and project developers.

Vikram Solar

Vikram Solar is a Kolkata-based solar module manufacturer. The company produces mono PERC, polycrystalline, and bifacial modules. Vikram Solar supplies to both Indian and international markets.

What they do: Solar modules (mono PERC, poly, bifacial), EPC services.

Known for: Module quality, export presence, and certifications from international bodies.

Best for: Buyers who want high-efficiency modules from an Indian manufacturer with global presence.

Goldi Solar

Goldi Solar is a Gujarat-based solar panel manufacturer. The company produces mono and polycrystalline solar modules and has been expanding its manufacturing capacity.

What they do: Solar modules, solar rooftop solutions.

Known for: Competitive pricing, growing manufacturing capacity, and focus on domestic market.

Best for: Budget-conscious buyers looking for Indian-made solar panels.

Home Backup and Inverter Brands

These companies focus on home and small business solar solutions — inverters, batteries, and complete home solar systems.

Luminous

Luminous is one of the most recognized names in home power backup in India. The company makes inverters, batteries, and solar solutions. Luminous has one of the largest dealer networks in the country.

What they do: Inverters, lead-acid batteries, solar inverters, solar panels, home UPS systems.

Known for: Wide dealer network, strong brand recall, and established service network.

Best for: Homeowners who want a well-known brand with easy local service access. Good for basic home solar and backup needs.

UTL

UTL Solar is a Delhi-headquartered solar inverter and battery manufacturer with manufacturing in Uttarakhand. The company makes hybrid inverters, off-grid inverters, and solar batteries for home and small business use.

What they do: Hybrid solar inverters, off-grid inverters, solar batteries.

Known for: Competitive pricing in the inverter segment and focus on mid-range home solar systems.

Best for: Buyers looking for affordable hybrid inverters for home use with good features.

Livguard

Livguard is a battery and solar inverter brand with a growing dealer network across India. The company makes lead-acid batteries, lithium batteries, and solar inverters.

What they do: Inverters, batteries (lead-acid and lithium), solar panels.

Known for: Strong distribution, competitive pricing, and expanding solar product range.

Best for: Buyers who want a one-stop solution for batteries and inverters with local dealer support.

Lithium-Hybrid Specialists

These companies focus on lithium battery and hybrid inverter technology — the newer segment of home and commercial solar.

Nexus Solar Energy

Nexus Solar Energy is a Bulandshahr-based manufacturer founded in 2019. The company focuses on hybrid inverters (2kW–15kW), LiFePO4 lithium batteries, solar panels, and solar AC. Nexus has a 1150+ dealer network across India.

What they do: Hybrid solar inverters (2kW–15kW), LiFePO4 lithium batteries, solar panels, solar AC.

Known for: Battery-less capable hybrid inverters (2kW–15kW) with generator sync and single/three-phase parallel operation, lithium batteries with up to 16-unit parallel expansion, HJT/HDT/TOPCon solar panels, and hybrid solar AC — all manufactured and repairable in India.

Best for: Buyers who want lithium battery-compatible hybrid inverters with manufacturer-direct support. Good for homes, shops, and small commercial setups looking for modern lithium-hybrid solutions.

Servotech

Servotech is a Delhi-based solar and EV charging company. The company makes solar inverters, lithium batteries, and EV chargers. Servotech focuses on the growing intersection of solar and electric vehicle infrastructure.

What they do: Solar inverters, lithium batteries, EV chargers, solar panels.

Known for: EV charging infrastructure, lithium battery products, and solar-inverter integration.

Best for: Buyers interested in solar systems that also support EV charging, or commercial buyers looking for integrated solar and EV solutions.

Comparison Table

Company	Segment	Product Focus	Best For
Tata Power Solar	Utility-scale	Modules, EPC, solar parks	Large commercial projects
Adani Solar	Utility-scale	Cells, modules, solar parks	Government tenders, large projects
Waaree Energies	Utility + Rooftop	Modules, inverters, EPC	Residential and commercial rooftops
Vikram Solar	Modules	Mono PERC, bifacial modules	High-efficiency panel buyers
Goldi Solar	Modules	Mono and poly panels	Budget-conscious panel buyers
Luminous	Home backup	Inverters, batteries, solar	Widest dealer network
UTL	Home solar	Hybrid inverters, batteries	Affordable hybrid inverters
Livguard	Home solar	Inverters, batteries	One-stop battery + inverter
Nexus Solar Energy	Lithium-hybrid	Hybrid inverters 2–15kW, lithium batteries	Lithium-hybrid systems
Servotech	Lithium + EV	Inverters, lithium, EV chargers	Solar + EV charging

This guide is published by Nexus Solar Energy. Company information is compiled from publicly available sources.