7 Things to Check Before Hiring a Solar Installer in India

July 17, 2026

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You’ve done your homework. You know the brand you like. You have a ballpark estimate of the system size that makes sense for your home. Now you’re ready to go on.

Then you start looking for someone to actually put it in.

This is where a lot of folks make the error that costs them the most. They spend weeks comparing panels and costs, then pick the first solar installation they find nearby without asking a real question. A few months later, they are left trying to fix wrongly installed panels, a poorly operating inverter, or a business that has stopped receiving calls.

Installation is not a formality you go through after you’ve made the big decisions. This is one of the big decisions. A poorly fitted solar panel will underperform for 25 years. A team of professional, honest people will install an average panel for you, which will serve you dependably for the same duration.

Before you Google “solar installer” and contact the first one you find, here are seven things to consider. They will save you from easily avoidable blunders.

7 Things to Look for Before Hiring a Solar Installer in India

It’s good to know that not every solar installer provides the same quality, compliance, or long-term support before you start comparing prices or installation timetables. Choosing the right business is just as crucial as choosing the right equipment, because a rooftop solar system is a long-term investment. Here are the most critical elements you should assess before finalizing a solar installer in India.

Are they DISCOM-approved / empanelled by MNRE?

This is the first question and, really, the most important.

The Ministry of New and Renewable Energy (MNRE maintains a list of approved solar merchants and installers. Your local DISCOM, that is, your power distribution company, also has its own list of approved installers for net metering connections.

If you employ someone who is not on these lists, you may install a whole solar system and then find that DISCOM refuses to connect it to the grid (for net metering). You can’t sell any surplus electricity back, and you miss out on several government incentives.

Ask the installer straight out: Are you empanelled with MNRE and approved by the local DISCOM for net metering connections? Any legitimate solar installation firm in your area should be able to answer this without hesitation and offer documentation.

What to ask: Please upload your MNRE empanelment certificate and DISCOM permission documents.

How long have they been around, and what is their history?

Over the last 5 years, there has been rapid growth in solar installation companies across India. Many of them are authentic and able. Some aren’t.

A company that’s been in business for three years or more, with a history of completed installations in your city or region, is a much safer bet than a company that has just started up, with no verifiable past.

Request a portfolio of completed installations. Ask about projects that are similar in size and complexity to yours. A business that has installed 100 5kW home systems has met and handled challenges that a new company has not.

References count here. A professional installation will be more than ready to put you in touch with past clients who will tell you about their experience. If a corporation is unwilling to give you references, this is something to note.

Read the reviews on Google Maps, Justdial, and other local forums or community organizations in your area where people chat about home renovation and energy-related topics. See whether there is a pattern in the feedback: positive and negative.

Questions to ask: How many residential solar installations have you done in this area? Do you have references from your most recent clients?

What Equipment Brands and Quality Do They Use?

Some installers will try to save money by using cheaper, no-name components and offer a lower price. This is one of the most typical reasons people get unhappy with their solar purchase.

Solar panels may be the most obvious part of the system, but the inverter is just as important. Poor-quality inverters will not last as long, will not work as efficiently, and are more likely to fail within a few years. And so does the mounting framework, wiring, and junction boxes.

Ask explicitly about the brands of panels, inverters, mounting structures, and cables they employ. Look at those brands. See if they have ISI certification or other internationally recognized certifications, such as IEC or UL.

If an installer is offering you a price that is much lower than the market rate, it is worth understanding exactly why. In most cases, the answer is cheaper parts.

What to ask: Which brands of panels, inverters, and mounting structures do you use? Of course! Could you please give me the product details and certifications?

Will they process the subsidy application and net metering?

There’s paperwork, permissions, and follow-up with your electricity board to get net metering connected and apply for government subsidies under the PM Surya Ghar Muft Bijli Yojana. This is a process that can take weeks and requires someone who understands the local standards.

All of this will be done for you by a good solar installer in your area. They will submit the subsidy application, get net metering approved with the DISCOM, and confirm that everything is correctly connected and approved before they consider the installation complete.

Some installations, particularly smaller or newer ones, will not help with this process or will demand a fee. Others say they’ll fix it and then leave it up to you to fix it yourself once they’ve got your money.

Ask directly: Does the installation include handling the subsidy application and the net metering connection? What is the time frame for both?

What to ask: Does your service cover the application for a subsidy and the net metering connection? What is the average time frame for net metering approval in this area?

What does the warranty and after-sales service really include?

Solar warranties are great until something breaks down and you try to use them.

There are usually several warranties in a solar installation. The performance warranty, typically 25 years from the panel manufacturer, assures that the panel will produce a minimum percentage of its original output. The panel product warranty covers flaws in materials and manufacturing. The inverter is often covered by a 5- to 10-year guarantee. And the installation warranty, covering the work the installer accomplished, such as mounting, wiring, and connections.

The main point is not what the guarantee says on paper, but whether the corporation will truly honour it. A corporation that goes bust in three years can’t deliver a 10-year service promise. Ask who handles warranty claims on the equipment, the installer or the manufacturer, and how that procedure works in practice.

Also, ask about the response time to service calls. If your system fails or underperforms, how long will it take someone to look? In a city with good solar penetration, it’s normal to predict response times in the 24-48 hour range. That is worth clarifying up front: More than that.

Questions to ask: What is covered under your installation warranty, and for how long? How do manufacturers manage warranty claims? How long does it normally take to resolve service issues?

Will they do a proper site survey before they quote?

A true solar installer will not provide a final price on the phone or WhatsApp without inspecting your rooftop.

A proper site assessment should consider the available space and the orientation of your rooftop, any shading issues from neighbouring buildings, trees, or water tanks at different times of the day, the structural capacity of the roof to hold the mounting system, where the inverter and electrical connections are to be located, and if any additional civil work is required.

The findings of this evaluation will directly determine what system size and design is appropriate for your home. If an installer gives you a quote without conducting the work, they are either guessing or providing you a generic quote that may not be right for you.

Be careful of any company that offers solar installation near you that provides you with a set estimate before seeing your property. It’s a clue that they are selling something standard, not designing something appropriate.

Questions to ask: Do you come to the site before giving a final quote? What is included in your site survey?

Is the Quote Detailed & Transparent?

Quotes from different installers can vary wildly side by side. What is less clear is why there should be a difference.

A good solar installer will offer you a full, itemised quote. This will break down the cost of panels, inverters, mounting structure, cables, installation labour, and any other civil work separately. And it should be clear what is covered by the post-installation support and what is not.

An imprecise statement that gives you a single total amount without breaking down the components is a red flag. That makes it impossible to assess value for what you are getting from different installers and gives you no protection if the installer later claims that specific elements were not included.

Check the payment terms also. Be wary of installers who want a very large share of the total cost up front before they start the installation. A suitable structure could be 30 to 40 per cent at the time of signing, another tranche at the start of installation, and the final amount upon completion and successful commissioning.

Questions to ask: Can I have a comprehensive breakdown of the quote? What are your payment terms, and what milestone will each payment correspond to?

How To Find A Good Solar Installer Near You

When you type in “solar installation near me,” you don’t always see the best or most reliable options at the top. They are ranked on how successfully those companies manage their web presence.

There’s a better way.

First, visit the MNRE website and check the list of permitted vendors for your local DISCOM. These are the installers that have received formal approval and are connected to the grid support system in your region.

Ask your neighbours, friends, or local community groups whether anyone has recently had solar installed and who they used. Internet reviews are less accurate than suggestions from people who have seen the results themselves.

Collect at least three quotations from different installers. Not just to go for the cheapest, but to understand the range and what different firms are offering at different price points.

Take your time. India’s solar market is competitive right now, which means good installers are accessible and you don’t have to rush to lock in a good price.

FAQs

Where do I locate a competent solar installer near me?

Start with the list of vendors empanelled by MNRE and the approved installer list of your DISCOM. Combine that with advice from folks locally who have already installed solar.

How long does it take to install a residential solar system in India?

Residential Solar installation time from signing to commissioning is usually 2 to 6 weeks, depending on the size of the system, equipment, availability, and how long it takes the DISCOM to authorize net metering in your area.

How much do I have to pay up front to a solar installer?

Thirty to 40 percent of the total project cost is a good advance. Be cautious about demands for 70 percent or more before installation begins.

Can a solar installer help me with the PM Surya Ghar subsidy application?

Yes. Most respectable installers will provide the subsidy application as part of the installation package. Check this out before signing any deal.

What happens if my installer closes up shop after installation?

That’s why it’s important to go with an established organization. The panel and inverter manufacturers’ warranties should be valid through the manufacturer directly. The installation warranty, however, depends on the installer’s continuous presence. If the company has a long history, the risk is minimized.

Is it safe to use a solar installer I found online?

Searching online is a start, not evidence. Always verify MNRE empanelment and references, and, if feasible, see their completed installations before committing.

Final Thoughts

But if you’re looking for a solar installation near you that is truly reputable, it takes a little more than just finding the first result you see from a search. But it’s worth the work.

A well-installed solar system from an honest, experienced business will run quietly and consistently for 25 years, paying back its cost many times over. A bad installation will result in poor performance, frequent trips back to the repair center, and you will wonder if it was all worth it.

The seven checks in this guide aren’t complicated. These are the kinds of questions most people don’t think to ask until after they’ve signed a contract.

Ask them first. The answers will tell you all you need to know about whether to trust an installation.