Sunsure Energy is a Gurugram-based Indian renewable independent power producer, majority owned by Switzerland's Partners Group, that supplies long-term solar, wind and storage power to commercial and industrial customers.

This Startup Deep Dive explains what Sunsure Energy 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.

Sunsure Energy in Brief

• What it is: Sunsure Energy is an Indian Renewable energy / independent power producer company based in Gurugram, Haryana.
• Who it serves: businesses, institutions, consumers, learners and public-sector buyers.
• Develops, owns and operates solar, wind and storage projects selling power to commercial and industrial customers.
• Provides rooftop and open-access projects, offering up to 100% round-the-clock clean power offset.
• Handles land acquisition, EPC, regulatory affairs and asset management in-house.
• Funding: $400 million equity commitment by Partners Group (2022) plus debt facilities.

Sunsure Energy Quick Facts

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

What Is Sunsure Energy?

Sunsure Energy operates in the Renewable energy / independent power producer 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 Sunsure Energy.

• Develops, owns and operates solar, wind and storage projects selling power to commercial and industrial customers.
• Provides rooftop and open-access projects, offering up to 100% round-the-clock clean power offset.
• Handles land acquisition, EPC, regulatory affairs and asset management in-house.
• Customers include Sandoz, KSB, Bharat Forge, Kirloskar Brothers, Wonder Cement, Lupin and Emcure.

The Origin Story of Sunsure Energy

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: Shashank Sharma, Kartikeya Narain Sharma, Shantanu Faugaat, Manish Mehta, Tarunveer Singh.
• Founded in 2014 (some sources say 2015) by Shashank Sharma and colleagues.
• Began as a solar EPC contractor and developed over 300 MWp of projects before turning into an independent power producer.
• Shashank Sharma is chairman and CEO.
• Reported roles: Kartikeya Narain Sharma chief strategy officer, Shantanu Faugaat COO, Manish Mehta CFO (CCO per another source).

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 Renewable energy / independent power producer 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.

• 2014: Founded in Gurugram.
• 2018: Raised about $2.2 million in collateral-free debt (aggregator-reported).
• 2022: Partners Group acquired a majority stake with a $400 million equity commitment.
• 2022: About 400 MW installed across 16 states.
• Sept 2024: Rs 226 crore ($27 million) long-term debt from Tata Capital.
• Jan 2025: Rs 4.16 billion debt for a 150 MWp solar park in Solapur, Maharashtra.
• 2025: Plans to raise about Rs 5,000 crore of debt (company plan reported).

Sunsure Energy 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.

• 2018: About $2.2 million zero-collateral debt from Tata Cleantech Capital, L&T Finance and cKers Finance.
• 2022: Partners Group majority stake, $400 million equity commitment.
• Sept 2024: Rs 226 crore long-term debt from Tata Capital for Uttar Pradesh solar projects.
• Jan 2025: Rs 4.16 billion long-term debt from Aseem Infrastructure Finance.
• 2025: Plan to raise Rs 5,000 crore debt, with Rs 9,000-10,000 crore over two years.

How Does Sunsure Energy 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.

• Independent power producer selling long-term power under power purchase agreements to industrial customers.
• Open-access and captive projects built through special purpose vehicles.
• Plans about 10% of revenue from merchant power sales and expansion into round-the-clock power with storage.

The Numbers: Sunsure Energy 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.

• Turnover about Rs 700-800 crore around 2022 per an interview (as reported, not audited).
• No Sunsure-specific FY24 or FY25 revenue or profit found; an aggregator page appears to belong to a different company named SunSource and is not used.
• About 500 MW operating, 2.5 GW under construction (one source says 7.5 GW; reports differ).

Market Opportunity for Sunsure Energy

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.

• Targets energy-intensive industries such as cement, steel, pharma, data centres and automobiles.
• Holds about 25% of the Uttar Pradesh open access market by its own claim.
• Aims for 5 GW by end of 2028.

Technology and Product at Sunsure Energy

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.

• Solar, wind and battery hybrids for round-the-clock supply.
• Utility-scale RTC power and storage planned.

Team and Culture at Sunsure Energy

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.

• Shashank Sharma, chairman and CEO.
• Five co-founders named across sources.

Sunsure Energy 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.

Risks and Challenges for Sunsure Energy

• Capital intensive with heavy reliance on debt.
• Open-access and regulatory changes can affect C&I economics.
• No audited financials found in sources read.
• Execution risk on a large under-construction pipeline.
• 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.

Sunsure Energy Growth Outlook: What to Watch

• Targets 5 GW by 2028 and has stated IPO ambitions.
• Expanding into utility-scale RTC power and battery storage.
• Key indicators: recurring revenue, customer retention, gross margin, customer acquisition cost and runway.
• Funding position: Whether Sunsure Energy 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 Sunsure Energy 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 Sunsure Energy

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 Sunsure Energy.

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 Sunsure Energy

Studying a company in the Renewable energy / independent power producer space offers lessons that go beyond any single firm. The points below are general lessons for the sector and are not claims about Sunsure Energy.

• 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 Sunsure Energy as a Startup

• Customer clarity: Can Sunsure Energy 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

Sunsure Energy is part of India’s growing Renewable energy / independent power producer 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.

Sunsure Energy FAQs: Frequently Asked Questions

What is Sunsure Energy?

Sunsure Energy is a Gurugram-based Indian renewable independent power producer, majority owned by Switzerland's Partners Group, that supplies long-term solar, wind and storage power to commercial and industrial customers. It is profiled in the Startup Deep Dive series, which explains business model, funding, competitors and risks.

Who founded Sunsure Energy?

Sunsure Energy was founded by Shashank Sharma, Kartikeya Narain Sharma, Shantanu Faugaat, Manish Mehta, Tarunveer Singh, and the company reports a founding year of 2014.

How much funding has Sunsure Energy raised?

$400 million equity commitment by Partners Group (2022) plus debt facilities. Funding figures are reported and may differ between sources, so readers should check the latest company announcements.

How does Sunsure Energy make money?

Sunsure Energy earns revenue from its Renewable energy / independent power producer 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 Sunsure Energy?

Reported rivals include Greenko Group, Avaada Group, Adani Green Energy, ReNew. See the competitor comparison above for how they differ.

What are the main risks for Sunsure Energy?

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.

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Source

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