SolarSquare is a residential rooftop solar company that designs, installs, finances, and maintains home solar systems in India. SolarSquare Series C has brought in $53 million led by B Capital, taking the startup’s total funding to more than $100 million. The problem it’s chasing is pretty obvious: for a lot of homeowners, rooftop solar still feels like a maze of vendor calls, subsidy paperwork, financing confusion, and uncertain after-sales service. Founded in 2015 by Shreya Mishra, Neeraj Jain, and Nikhil Nahar, the company has powered more than 50,000 homes and is running at an annualized revenue pace of over ₹1,000 crore.
What is SolarSquare and how does it work?
At a basic level, SolarSquare sells a full-stack rooftop solar service for homeowners. It starts with a free consultation and rooftop survey, then moves into a personalized 3D system design. It handles installation and subsidy paperwork, then stays on for monitoring and maintenance after the system goes live. That’s a lot closer to a consumer-tech workflow than the old-school solar EPC model most buyers are used to.
The company has built the experience around removing friction at each step. A homeowner doesn’t just get panels and an inverter. They get site measurement and design engineering. Installation comes with chemically anchored mounting structures. The company also helps with the subsidy application and disbursement process. SolarSquare sells both on-grid and off-grid options, which matters in a market where power reliability and state-level economics can vary a lot.
Financing is a big part of the pitch. SolarSquare offers EMI plans and collateral-free loan support through partner institutions. It also offers consumer-friendly structures including quick loan approvals, a 6-month interest-free EMI option, and longer-tenure installment plans. On its site, it pitches a near-zero upfront path where subsidy support can cover the down payment and monthly savings help offset EMIs. For a category that still scares people with capex shock, that isn’t a side feature. It’s core product design.
Then there’s the software and service layer. SolarSquare gives customers a real-time monitoring app to track power generation and savings. It also tracks promised-versus-actual output. The company pushes a branded guarantee product called GoodZero, which includes a money-back promise pegged at ₹8 per unit, plus proactive maintenance and a free 5-year annual maintenance contract. And yes, the physical install details are part of the sales story too. The company says its systems are built to withstand wind speeds up to 170 kmph.
Who founded SolarSquare and how did it reach Series C?
SolarSquare started in 2015, and its origin story ties back to a group of solar enthusiasts from IIT Bombay who wanted to make rooftop solar easier to buy and trust. The founding team is Shreya Mishra, Neeraj Jain, and Nikhil Nahar. The company’s early framing still explains the strategy now: organize a messy category, make the unit economics work, and build trust where the market had mostly offered fragmented local service.
Founding story and market fit
Mishra brings a mix of consulting and startup operating experience that makes sense for this category. She studied mechanical engineering at IIT Bombay, started her career at Boston Consulting Group, and later co-founded fashion-rental startup Flyrobe before moving full-time into clean energy. That background helps explain SolarSquare’s consumer-brand angle — it doesn’t sell solar like a contractor first. It sells it like a decision that needs trust, design clarity, and financing confidence.
Jain’s background is more finance-heavy. He studied electrical engineering at IIT Bombay and worked in Deutsche Bank’s special situations group, where he was exposed to private equity, M&A, and sectors including renewables. Nahar comes from a more technical and operating side, with prior experience at Panasonic India and training in electronics, telecommunications, and IT management. Together, the trio covers consumer strategy and capital discipline. It also covers technical execution.
Traction and fundraising
The company isn’t early-stage in the usual sense anymore. SolarSquare has installed systems across roughly 50,000 homes, manages India’s largest portfolio of residential solar assets, and operates at an annual revenue run rate above ₹1,000 crore. Its site also shows a footprint across 29 cities and a team of more than 1,000 people. This is already a fairly heavy operations business, not just a lead-gen layer sitting on top of third-party installers.
B Capital led the fresh Series C round of $53 million, with Lightspeed, Elevation Capital, Lowercarbon Capital, Rainmatter, and Good Capital participating. Before this, SolarSquare raised $40 million in a Series B round in December 2024 led by Lightspeed, with Lightrock, Elevation Capital, Lowercarbon Capital, Rainmatter, and Gruhas Proptech also joining. The new capital will go into city expansion and technology. It will also fund hiring and a broader home-energy offering that includes solar installations, financing, battery storage, and energy management.
Competition and positioning
SolarSquare competes with ZunRoof, Glow Solar, Mysun, Oorjan Cleantech, and Freyr Energy in residential rooftop solar. But those aren’t the only alternatives that matter. For many households, the real comparison is still a patchwork of local EPC contractors, neighborhood installers, and one-off referrals that may be cheaper upfront but far less consistent on service, financing support, or performance follow-through. SolarSquare’s differentiation is its vertically integrated model and monitoring software. It also leans on consumer financing and performance guarantees. The goal is to turn rooftop solar into a branded home-upgrade purchase instead of a contractor gamble.
Why does the SolarSquare Series C matter?
This round matters because SolarSquare isn’t just adding sales capacity. It’s trying to widen the product from “we install panels” to “we manage home energy.” That’s a bigger ambition, and frankly a riskier one, because batteries, financing, service quality, and energy-management software all add complexity. But it’s also where a national consumer brand could pull away from smaller installers that can’t afford the same service stack.
There’s also a pretty clear investor thesis here. B Capital is backing a company that already has meaningful install volume and a proprietary asset-management layer. It also has a repeatable city-expansion playbook. Lightspeed doubling down matters too. Existing investors usually know where the operational bruises are, so follow-on participation in a hard-execution category like solar says more than a new-investor headline does.
How big is India’s rooftop solar market?
The timing isn’t random. India’s rooftop solar market was valued at $2.52 billion in 2025 and is projected to reach $4.27 billion by 2034, according to IMARC, with residential already the biggest end-user segment at 41% and on-grid systems dominating at 90%. CareEdge has also projected India’s cumulative rooftop solar market could reach 25 GW to 30 GW by FY27, up from 17.02 GW in FY25. Those are solid numbers. The more interesting part is where the demand is shifting: straight into homes.
That shift has been pushed hard by policy and economics. PM Surya Ghar, announced in February 2024, targets rooftop solar for 1 crore households, and by 2026 the program had crossed 26.19 lakh installations. SolarSquare says India has about 70 million viable residential rooftops and still sits below 5% penetration. Shreya Mishra put the inflection point bluntly: 5 years ago, roughly 1 lakh homes were going solar in a year; now, 1 lakh homes are adopting solar every 10 days. Recent sector data backs that momentum — India added 7.1 GW of rooftop solar in 2025, up sharply from 3.2 GW in 2024.
Can the SolarSquare Series C turn it into a home energy brand?
It might. But this only works if SolarSquare can keep service quality tight while expanding fast, because residential solar gets ugly when installs scale faster than maintenance, financing, or support. The next things to watch are simple: how quickly it enters new cities, whether battery storage becomes a real revenue layer, and whether its performance-guarantee model still holds up when the customer base gets much larger.
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FAQ
- What happened in SolarSquare’s latest funding round? SolarSquare raised $53 million in a Series C round led by B Capital on June 16, 2026. Existing backers including Lightspeed, Elevation Capital, Lowercarbon Capital, Rainmatter, and Good Capital also joined, pushing the startup’s total funding past $100 million.
- How does SolarSquare work for a homeowner? It works as an end-to-end rooftop solar service rather than a simple equipment sale. A customer starts with a rooftop survey and 3D design. Then SolarSquare handles installation and subsidy paperwork. It also provides financing support, app-based monitoring, and 5 years of maintenance after the system is live.
- Who are the founders of SolarSquare? SolarSquare was founded in 2015 by Shreya Mishra, Neeraj Jain, and Nikhil Nahar. Mishra came from BCG and also co-founded Flyrobe, Jain previously worked at Deutsche Bank, and Nahar had earlier operating experience at Panasonic India before helping build the rooftop solar company.
- Is SolarSquare a solar installer or a broader home energy company? Right now it’s both, or at least that’s the direction. The company already runs a full-stack residential rooftop solar model, and the new round is meant to expand its home-energy offering into financing, battery storage, and energy management, which pushes it beyond a traditional installer category.
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