Startup Deep Dive : SolarSquare — FY25 revenue Rs 364.3 crore, net loss Rs 36.9 crore; raised $40M Series B led by Lightspeed

SolarSquare Energy Private Limited is a Mumbai-based Indian company that designs, installs and finances rooftop solar systems for homes, housing societies and commercial buildings.

This Startup Deep Dive explains what SolarSquare does, how it makes money, who backs it, how it compares with rivals and what could go wrong, using publicly available information. It is educational and not investment advice. Last updated: October 2026.

SolarSquare in Brief

  • What it is: SolarSquare is an Indian Residential rooftop solar company based in Mumbai.
  • Who it serves: businesses, institutions, consumers, learners and public-sector buyers.
  • Designs, installs and finances rooftop solar systems for residential customers.
  • Also serves housing societies and commercial establishments.
  • Manages the full customer journey in-house: design, permits, installation, financing and maintenance.
  • Funding: About $56M (TheKredible) to $113M+ (another profile), reports differ.

SolarSquare Quick Facts

Company SolarSquare
Founded 2015
Headquarters Mumbai
Founders Shreya Mishra, Neeraj Jain, Nikhil Nahar
Sector Residential rooftop solar
Total funding About $56M (TheKredible) to $113M+ (another profile), reports differ
Latest round Series B, Dec 2024, $40M, led by Lightspeed
Valuation Rs 1,772 crore (about $209M) post-allotment, an Entrackr estimate
Website Not disclosed

Figures marked “reported” come from published reports and may differ between sources; “Not disclosed” means no reliable public figure was found.

What Is SolarSquare?

SolarSquare operates in the Residential rooftop solar space in India. Understanding a company like this starts with three questions: who is the customer, what painful problem is being solved, and why the solution is better than the alternatives. The sections below apply that lens to SolarSquare.

  • Designs, installs and finances rooftop solar systems for residential customers.
  • Also serves housing societies and commercial establishments.
  • Manages the full customer journey in-house: design, permits, installation, financing and maintenance.
  • Offers zero-cost EMI plans and subsidy-linked pricing; a leading installer under the PM Surya Ghar scheme.

The Origin Story of SolarSquare

Every company starts from a noticed gap and a team willing to commit to closing it. Strong origin stories are specific: a clear problem, a founding team with relevant skills, and an early product that real customers could test. Founder-market fit, meaning the team’s lived experience or technical depth in the domain, tends to predict how fast a young company learns.

  • Founders: Shreya Mishra, Neeraj Jain, Nikhil Nahar.
  • Founded in 2015 in Mumbai; began with B2B rooftop solar and moved into the home segment around 2020 to 2021.
  • Sources name Neeraj Jain and Nikhil Nahar as founders; Shreya Mishra is listed as co-founder in funding filings (some sources say she joined in 2020).
  • Later positioned as a full-stack direct-to-consumer solar brand.

Key Milestones and Challenges

No startup grows in a straight line. Early years usually involve slow adoption, product rewrites, hiring mistakes and funding gaps. In the Residential rooftop solar sector the common turning points are a first paying customer, a regulatory approval, a successful product demonstration or a funding round that lets the team invest ahead of demand. How a team responds to setbacks says more about resilience than any single headline.

  • 2015: founded.
  • Nov 2022: Rs 100 crore (about $12M) Series A led by Elevation Capital and Lowercarbon.
  • May 2024: first close of Series B, Rs 35.44 crore including Zerodha's Rainmatter and Gruhas Proptech.
  • Dec 2024: $40M Series B led by Lightspeed, described as the largest venture raise in Indian solar.
  • FY25: revenue more than doubled to Rs 364.3 crore.
  • Plans to expand to 50 Indian cities.

SolarSquare Funding and Investors

Funding history shows how much outside confidence a company has attracted and how long it can operate before needing more capital. Figures below are reported and may differ between sources; valuation figures are estimates unless the company has confirmed them.

  • Nov 2022 – Series A – Rs 100 crore (about $12M) – Elevation Capital, Lowercarbon.
  • May 2024 – Series B first close – Rs 35.44 crore (about $4.2M) – Zerodha Rainmatter, Gruhas Proptech, Lowercarbon and others.
  • Dec 2024 – Series B – $40M – Lightspeed (about Rs 121 crore), Lowercarbon, Energy Access Acceleration, Elevation Capital, Zerodha, Gruhas, Good Capital.

How Does SolarSquare Make Money? (Business Model)

A business model describes who pays, how often and how much it costs to serve them. Strong models show repeat usage, improving margins with scale and acquisition channels that do not depend only on paid spend. Weak models show one-off sales, rising costs and growth that stops when spending stops. For companies selling to businesses, institutions, consumers, learners and public-sector buyers, sales cycles and contract size matter as much as headline growth.

  • Capex-style sale and installation of rooftop systems, with maintenance packages.
  • Revenue is mostly product sales (Rs 173 crore of Rs 175 crore operating revenue in FY24).
  • Financing through zero-cost EMIs and loans; subsidies offset down payments.
  • Direct-to-consumer, cutting out middlemen.

The Numbers: SolarSquare Financials

Financial figures show whether growth is turning into a self-sustaining business. Small and private companies often disclose little, so any number below is included only if it was found in public reporting.

  • FY23: operating revenue Rs 107 crore.
  • FY24: operating revenue Rs 175 crore (total income Rs 178 crore), net loss Rs 69 crore, expenses Rs 229 crore.
  • FY25: total revenue Rs 364.3 crore (another profile says Rs 355 crore, reports differ), net loss Rs 36.9 crore, estimated EBITDA loss Rs 30.4 crore.
  • About 2,900 employees per one profile.

Market Opportunity for SolarSquare

Market size is easy to exaggerate, so a useful approach separates the total market from the portion a company can realistically reach with its current product and distribution. The main forces behind demand in this sector are rising digital adoption, cloud and mobile penetration, growing enterprise technology spending, government digitisation programmes and a deep pool of engineering talent. Each of these widens the opportunity, but capital efficiency and execution decide who captures it.

  • Residential rooftop solar is supported by the PM Surya Ghar scheme with subsidies up to 40%.
  • SolarSquare is described as the largest home-sector installer by number of installations.

Technology and Product at SolarSquare

Technology is rarely the whole moat, but it drives speed, cost and customer experience. A practical way to assess it is to separate the capability the company controls from the commodity infrastructure it rents. In this sector the important factors are product quality, data and integration depth, security, scalability and the speed of shipping improvements.

  • Core capability: Public detail on SolarSquare’s technology stack is limited beyond company-stated descriptions.
  • Assessment lens: product quality, data and integration depth, security, scalability and the speed of shipping improvements.

Team and Culture at SolarSquare

Teams are the most important and least measurable asset of a young company. Look at how complementary the founders’ skills are, how deep the second layer of leadership is, and how the company hires and retains specialists. Culture shows up in small repeated behaviours: how quickly bad news travels upward and whether commitments to customers are kept.

  • Co-founders Shreya Mishra, Neeraj Jain and Nikhil Nahar hold about 38.85% combined post Series B.
  • Lowercarbon holds about 15.31% and Elevation Capital about 15.28%.

SolarSquare Competitors: Competitive Landscape

A fair competitive analysis names direct rivals, adjacent players who could move into the space, and the customer’s default alternative. Durable advantages include proprietary data or technology, licences and approvals, brand trust, switching costs and cost leadership.

Competitor How it differs
ZunRoof Gurugram rooftop solar rival.
Glo Rooftop solar rival that raised $30M.
Cleantech Named as a rooftop solar competitor.
Mysun Named as a rooftop solar competitor.
Oorjan Named as a rooftop solar competitor.
Freyr Energy Hyderabad rooftop solar rival.

Risks and Challenges for SolarSquare

  • Cost structure is high compared with peers; FY24 spent Rs 1.31 for every rupee earned.
  • Continued net losses despite narrowing.
  • Dependence on government subsidy schemes.
  • Competition: low barriers to entry and well-funded rivals can compress pricing and slow growth.
  • Funding risk: technology businesses often burn cash before reaching profit and depend on investor appetite.

Risk is not a reason to avoid a company; it is a reason to price it correctly and to monitor the right indicators over time. Regulation in this sector is shaped by data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules.

SolarSquare Growth Outlook: What to Watch

  • Losses narrowed in FY25 while revenue doubled.
  • Series B funds earmarked for expansion to 50 cities.
  • Key indicators: recurring revenue, customer retention, gross margin, customer acquisition cost and runway.
  • Funding position: Whether SolarSquare can reach its next milestone before needing new capital.
  • Regulation: Changes from data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules.

Industry Context: Where SolarSquare Fits

India's technology startup ecosystem is one of the largest in the world, supported by cheap data, a large base of smartphone users, digital public infrastructure and a deep engineering talent pool. Companies now build for education, software, mobility, logistics, agriculture, defence, media and more, selling both to Indian customers and abroad.

Durable technology companies usually combine a clear customer problem with repeatable distribution and disciplined unit economics. Growth funded only by spending tends to fade, while products that customers keep using and paying for build compounding advantages.

For readers new to this field, a useful habit is to separate announcements from evidence. A plan, a partnership or a funding headline describes intent, while a delivered product, a paying customer or an audited financial statement describes results. Comparing the two over time shows how reliably a company turns promises into outcomes.

Bull Case and Bear Case for SolarSquare

An investment thesis is a short, testable statement of why a company could become far more valuable, together with what evidence would prove it wrong. The points below are general to this sector and are not forecasts for SolarSquare.

Bull case

  • A large and growing base of digital users and businesses expands the addressable market.
  • Recurring revenue and strong retention can compound growth.
  • Selling into global markets widens the opportunity beyond India.

Bear case

  • Heavy competition can compress pricing and margins.
  • Dependence on external funding can force painful cost cuts.
  • Regulation or platform changes can disrupt a product quickly.

Lessons Founders and Investors Can Take from SolarSquare

Studying a company in the Residential rooftop solar space offers lessons that go beyond any single firm. The points below are general lessons for the sector and are not claims about SolarSquare.

  • Solving a clear, frequent customer problem matters more than adding features.
  • Retention and repeat usage are better health signals than sign-ups.
  • Disciplined spending extends runway and keeps options open when funding tightens.
  • Distribution, not just product quality, decides who wins in crowded markets.
  • Building trust through data protection and reliability is part of the product.

How to Evaluate SolarSquare as a Startup

  • Customer clarity: Can SolarSquare name its customer and the problem it solves in one sentence?
  • Evidence of demand: Look for repeat customers, signed contracts or measurable usage rather than announcements alone.
  • Economics: Check whether margins improve as volume grows.
  • Execution: Compare announced timelines with what has actually been delivered.
  • Funding runway: Estimate how long current capital lasts at the present spending rate.
  • Regulatory standing: Confirm required approvals are in place.
  • Customer concentration: Check whether a few customers account for most of the revenue.
  • Management depth: Look for experienced leaders beyond the founders and a stable core team.

The Takeaway

SolarSquare is part of India’s growing Residential rooftop solar ecosystem. The useful lesson from studying it is the discipline of asking structured questions about customers, economics, advantage and resilience. Companies that answer them well, repeatedly and under pressure are the ones that endure. Readers should treat any single report, ranking or funding headline as one input among many, and should re-check key facts against recent company announcements. Because public information on young companies is often limited, patience in verifying claims is part of good analysis. Public sources can also describe the same company in different ways, so it is worth checking dates, definitions and whether a figure refers to revenue, total income or transaction value, and whether it covers one entity or a wider group, before drawing conclusions. Small differences in rounding, currency conversion or reporting periods can also change how a figure reads. Comparing the same figure across several recent reports helps show whether it is stable or has changed over time. This article is educational and is not investment advice.

  • Clear customers and repeat demand matter more than announcements.
  • Regulation and capital needs shape how fast a startup in this sector can grow.
  • Track a few leading indicators over time rather than one headline metric.

SolarSquare FAQs: Frequently Asked Questions

What is SolarSquare?

SolarSquare Energy Private Limited is a Mumbai-based Indian company that designs, installs and finances rooftop solar systems for homes, housing societies and commercial buildings. It is profiled in the Startup Deep Dive series, which explains business model, funding, competitors and risks.

Who founded SolarSquare?

SolarSquare was founded by Shreya Mishra, Neeraj Jain, Nikhil Nahar, and the company reports a founding year of 2015.

How much funding has SolarSquare raised?

About $56M (TheKredible) to $113M+ (another profile), reports differ. Funding figures are reported and may differ between sources, so readers should check the latest company announcements.

How does SolarSquare make money?

SolarSquare earns revenue from its Residential rooftop solar products and services sold to businesses, institutions, consumers, learners and public-sector buyers. The exact revenue mix is described in the business model section and is not fully disclosed publicly.

Who are the competitors of SolarSquare?

Reported rivals include ZunRoof, Glo, Cleantech, Mysun. See the competitor comparison above for how they differ.

What are the main risks for SolarSquare?

Main risks include competition: low barriers to entry and well-funded rivals can compress pricing and slow growth, funding and capital needs, competition and regulation by data protection rules under the Digital Personal Data Protection Act, sector regulators, consumer protection law and IT rules. This is educational content, not investment advice.

Related Startup Deep Dives: Dermatouch — Dermatouch: Rs 131 crore FY26 revenue (up 114%) and a Rs 387.5 crore buyout by Wipro Consumer Care | Jimmy’s Cocktails — FY24 operating revenue Rs 23.7 crore with net loss widening to Rs 10 crore. Browse the full Startup Deep Dive series.

Source

Source: Publicly available data, published reports, industry research, and other credible sources.

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