Best Solar Company in Mumbai Providing Reliable Rooftop Solar Systems

*DISCLAIMER: The solar panel installation cost in Mumbai for on-grid solar systems without subsidy listed in the section above is estimated from the price of SolarSquare’s 6ft Blue variant in Pune, as of 20th April 2026. SolarSquare is the #1 solar company in Maharashtra by the number of solar installations listed on the PM Surya Ghar Muft Bijli Yojana National Portal, but we do not currently offer services in Mumbai. Additionally, the final solar panel price in Mumbai for homes depends on your DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Prices are subject to change.

What is the Subsidy for Solar Panels in Mumbai?

The central government of India offers a special subsidy scheme for homeowners. The maximum subsidy under this scheme is capped at Rs. 78,000 for systems with a capacity of 3 kW or more.

Here’s the tiered PM Surya Ghar subsidy division based on solar capacity, as listed on the official government website:

• PM Surya Ghar solar subsidy in Mumbai for 1-2 kW solar systems: Rs. 30,000 per kilowatt
• PM Surya Ghar solar subsidy in Mumbai for additional capacity over and above 2 kW and up to 3 kW: Rs. 18,000
• PM Surya Ghar solar subsidy in Mumbai for 3 kW or higher capacity: Rs. 78,000

Based on these details, we’ve created a table that simplifies the subsidy amount you can receive for installing solar PV in Mumbai. Have a look.

If you meet the simple eligibility conditions listed below, you, too, can receive the subsidy offered under the PM Surya Ghar Muft Bijli Yojana:

• You are an Indian citizen with an active electricity connection in your name with your city’s local DISCOM.
• You must choose made-in-India solar panels and a grid-connected solar system.
• You are the owner of the property/roof where the system is being installed.
• You haven’t ever received a subsidy under any scheme for systems up to 3 kW.

What is the Cost of Solar Installation in Mumbai with Subsidy?

Solar panel installations in Mumbai cost significantly less if you are eligible to receive the PM Surya Ghar subsidy.

Here’s a tabulated snapshot of the estimated solar panel price in Mumbai with subsidy for on-grid solar systems:

*DISCLAIMER: The cost of solar rooftop in Mumbai for on-grid solar systems with subsidy listed in the section above is estimated from the price of SolarSquare’s 6ft Blue variant in Pune, as of 20th April 2026. SolarSquare is the #1 solar company in Maharashtra by the number of solar installations, as listed on the PM Surya Ghar Muft Bijli Yojana National Portal, but we do not currently offer services in Mumbai. Additionally, the final estimated solar panel price in Mumbai for homes depends on your DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Prices are subject to change.

How to Choose the Best Solar Company in Mumbai?

Choosing reliable solar companies in Mumbai is necessary to protect your investment. That’s primarily because rooftop solar in Mumbai can last for 25 years with proper maintenance. If the solar installation company in Mumbai that you choose today shuts down its business in a couple of years, who will take care of your PV system and the savings that solar is expected to offer for decades to come?

So, if you’re planning to go solar but are not sure how to choose the right solar EPC companies in Mumbai, here’s a simple checklist you can follow to mitigate the risk:

• Look for DISCOM-approved solar power companies in Mumbai: Always make sure the solar panel dealer in Mumbai you choose is listed as a DISCOM-approved vendor on the PM Surya Ghar Muft Bijli Yojana National Portal.
• Go for the top solar companies in Mumbai that offer guaranteed savings: This shifts the risk from the homeowner to the company. Always partner with solar dealers in Mumbai that offer a savings guarantee with a money-back promise if the energy generation is lower than what was promised at the time of installation.
• Choose solar PV management companies in Mumbai that offer after-sales plans: An on-grid home solar solution in Mumbai can generate promised units only if it’s maintained and cleaned professionally. So, always check beforehand that the solar energy company in Mumbai you choose offers after-sales servicing plans and annual maintenance contracts (AMC).
• Go for experienced solar panel companies in Mumbai: This is one of the best ways to determine whether the chosen company will last throughout the operational life of your solar system. Chances are that renewable energy companies in Mumbai that have been installing rooftop solar for more than a decade will last for another two.
• Check the Google rating of the solar panel dealer in Mumbai you choose: Look for authentic, genuine customer reviews to ensure the services are worth trusting. It will also enlighten you whether the company takes care of its customers after installation.
• Look for the company’s past solar safety record: The best solar companies in Mumbai are most concerned with the quality of their installations, as it reflects their brand. Such installers always ensure they use strong mounting structures that can secure solar panels in place even during intense storms.

When you keep all the factors listed above in mind, chances are that you’ll end up with nothing but the best solar panel installation company in Mumbai that will maintain your PV system decades after installation.

Which Solar Company is Best in Maharashtra?

SolarSquare is the #1 solar installation company in Maharashtra, in terms of the number of solar installations, with 57,401 kWp of solar installed across 14,086 properties in the entire state as of 20th April 2026, as listed on the PM Surya Ghar Muft Bijli Yojana National Portal.

Let’s find out why more than 11,000+ customers have rated us 4.8 on Google countrywide.

#1. Solar Mounting Structures Built for High Winds and Heavy Monsoons

SolarSquare designs and installs its own solar mounting structures in Maharashtra. Our WindPro Mount™ mounting structure is IIT Bombay-approved and is created to remain stable during strong winds and heavy rainfall.

Each structure is engineered to:

• Stay secure in wind speeds reaching 170 km/hr.
• Use virgin-grade, corrosion-resistant steel to prevent rust.
• Feature an 80-micron hot-dip galvanized coating for long-term durability.

Every installation is secured using HILTI AirTight chemical anchoring, which seals drilled points and prevents water seepage during monsoons. To reinforce this protection, we provide a Rs. 1 lakh water-leakage warranty for one year, ensuring homeowners remain fully covered.

#2. Savings Guarantee with a Money-back Promise

SolarSquare is the first and only solar company in India that links system performance to a savings guarantee, removing uncertainty for homeowners.

If your rooftop solar system in Maharashtra generates fewer units than expected, we compensate the shortfall at Rs. 8 per unit. Your expected savings are backed by accountability, not assumptions.

#3. A 99.91% Safety Record During Intense Monsoon

Across India, storms in recent years have exposed the risks of weak mounting and poor installation practices. Maharashtra is no different. In many cases, solar panels fail under pressure, leading to damage and safety concerns.

SolarSquare’s installations have consistently held firm in intense cyclones and storms.

Over the past two years, the company has maintained a 99.91% storm-safety record, even during extreme weather events. This performance is achieved with WindPro Mount™ structures that meet BIS engineering standards.

#4. 5 Years of Intense Solar Maintenance Post Installation

Long-term solar performance depends on regular care. In a state like Maharashtra, dust accumulation, heat exposure, and moisture can reduce solar output without proper maintenance. SolarSquare addresses this issue through a 5-year comprehensive maintenance plan that includes monthly scheduled service visits.

The plan includes:

• 24/7 remote monitoring to track generation and identify issues early.
• Rapid-response breakdown support when faults occur.
• Professional deep solar panel cleaning to maintain the panel efficiency.
• Detailed inspections covering electrical safety, structural strength, and mechanical health.

#5. A Zero-Investment Solar Loan

Homeowners who don’t want to make an upfront out-of-pocket payment can opt for SolarSquare’s zero-investment solar loan. This financing option allows you to install a rooftop solar system immediately, without putting pressure on your monthly budget or savings.

Here’s what makes our zero-investment loan an instant hit among homeowners:

• No upfront out-of-pocket cost to get started: Instead of asking for a down payment, the government subsidy you qualify for is adjusted directly against the total system price. This amount covers what would otherwise be paid upfront, allowing your solar installation in Maharashtra to begin without any initial out-of-pocket payment from you.
• Monthly EMIs structured around your electricity savings: Once the system is operational, most homes see their electricity bills drop by 90% or more. The EMI is planned to stay close to this reduced bill amount. Hence, your earlier power bill is replaced by the loan repayment rather than adding an extra monthly expense. Over a period of 3 to 5 years, the system reaches breakeven, after which the solar electricity generated from sunlight costs literally nothing.
• Quick approval with minimal paperwork: The loan approval process is completed within 24 hours, with no delays or complex documentation.
• Flexible repayment tenures: Depending on your comfort and budget, you can choose an EMI tenure between 6 and 60 months, giving you complete control over how you repay the system cost.

Savings to Expect When You Choose SolarSquare as Your Solar Company in Maharashtra

SolarSquare offers deep cleaning services and proper system maintenance to ensure your PV system generates the maximum possible electricity at all times of day. This reduces your grid electricity use, lowering your bills to zero or near zero.

When compounded over 25 years, the money you save with SolarSquare by not paying bills and receiving free electricity is in the tens of lakhs of rupees.

Don’t believe us?

Here’s an estimate of the solar savings and ROI you can receive from rooftop solar in Pune, compared with the initial investment cost. Have a look.

*Please note: The above-mentioned solar panel price in Pune with subsidy for on-grid solar systems is indicative as of 20th April 2026 for the SolarSquare Blue 6ft variant. The final price of a home solar panel in Pune depends on your DISCOM charges, product variant opted for, panel type, inverter type, mounting structure height, type of after-sales service, savings guarantee, roof height, etc. Prices are subject to change. Also, while calculating savings from rooftop solar in Pune, we have considered an annual tariff escalation of 3% and an annual plant degradation rate of 1%. The actual final savings from solar installation in Pune depend on the types of solar panels you’ve installed and their efficiency, intensity of sunlight your rooftop receives, orientation of the panels and tilt angle, the pollution level and weather conditions in your city, the temperature, shadow on the roof, impact of dirt/dust, and how well you maintain your panels after installation.

How Does an On-Grid Rooftop Solar System in Mumbai Work?

An on-grid solar system in Mumbai works pretty much the same way as in any other part of the country, i.e., through the photovoltaic effect. Solar panels capture sunlight and convert it into electricity.

Here’s a simple step-by-step breakdown of the entire process of how on-grid rooftop solar in Mumbai generates electricity:

• Solar panels absorb photons from solar radiation: Even the best solar panels in Mumbai, such as TOPCon modules, are made of solar cells. Solar PV cells absorb photons from sunlight. These photons transfer their energy to electrons in the solar cells, making them flow freely in a single direction. This generates what we call direct current (DC) electricity.
• Direct current is converted into alternating current: The solar inverter converts DC from the panels into alternating current (AC), which is the usable form of electricity supplied to Indian households.
• Solar net metering for billing: The DISCOM installs a smart meter or a bi-directional net meter to record the energy exchange between your solar system and the electricity grid. If the PV system sends more units to the grid than it imports during the month, the DISCOM gives you credits as you’re supplying them with electricity. On the other hand, if the system imports more electricity from the grid than it exports, you pay the DISCOM for only those extra units at the standard electricity tariff in your city.

What are the Benefits of On-Grid Solar Power System Installation in Mumbai?

When the solar power in Mumbai that your PV system generates covers all your home energy needs, your electricity bills drop by at least 90%. For most customers, the bills drop to zero or near-zero. Moreover, considering that electricity rates in India increase by 3-6% every year, the savings you receive from not paying bills for 25 years are in tens of lakhs

Let’s have a closer look at the benefits of solar panel installation in Mumbai:

• Freedom from paying hefty electricity bills for decades: Solar installation in Mumbai is highly beneficial for homeowners because a properly sized solar system can reduce bills to zero or near zero by meeting all energy needs in your home. And the best part is that, when maintained properly, on-grid solar in Mumbai continues to generate free solar electricity for 25 years.
• Savings of tens of lakhs of rupees: Solar in Maharashtra is not an expense but an investment. That’s because the cost of installing solar is negligible compared to the savings from solar. While not paying bills might seem like a small feat every month, compounded over 25 years, the same savings amount to tens of lakhs of rupees.
• Massive drop in air pollution: Almost everyone knows that a solar system in Mumbai uses only sunlight to generate electricity. What most people do not know, however, is that even a 1 kW solar system in Mumbai can offset ~26,000 kg of carbon emissions over 25 years. It would take 39 fully grown trees to remove that much carbon over the same period. Can you imagine how clean the air could be if every home, housing society, and commercial complex switched to using solar energy in Mumbai?

On-Grid vs Off-Grid Solar PV in Mumbai: Which is Better?

The decision between on-grid and off-grid solar PV in Mumbai depends on how reliable your area’s electricity supply is and whether uninterrupted power is vital to your household.

• On-grid PV systems function alongside the electricity grid and do not include battery storage. With no lead-acid or lithium batteries in the setup, the upfront cost stays relatively lower. This configuration suits areas that receive steady grid power and experience minimal power outages, rendering backup unnecessary.
• Off-grid solar systems operate without any connection to the grid. Electricity produced during daylight hours is stored in lead-acid or lithium batteries and later used when solar generation stops. Although batteries raise the overall price, this setup is essential in areas where grid supply is unreliable or completely absent.

The table that follows breaks down the differences between on-grid and off-grid solar systems using the most important decision-making factors.

Getting Started with Rooftop Solar with the Best Solar Energy Company in Mumbai

Since rooftop solar lasts for more than 25 years, the solar installation company in Mumbai you choose must have at least a decade-long track record of installing sturdy solar systems that can withstand cyclonic winds for decades to come.

SolarSquare is one such reliable solar company in Maharashtra that has been installing rooftop solar in the entire country for 10+ years, offers sturdy solar that withstands cyclonic winds of up to 170 km/hr, and protects customer’s investment by providing a savings guarantee with a money-back promise.

We’re operational in multiple cities in Maharashtra. Book a free consultation call with our solar experts to check whether we offer installation services in your city.