World Environment Day: Meet India's Top Five CleanTech Startups

Dreaming of a world powered by clean energy, accessible to all? On World Environment Day, we explore CleanTech - the invisible architect building a sustainable future. Can innovative startups revolutionize how we live and breathe? Read on!

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India’s CleanTech Startup Heroes

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Don't restrict your thinking to just solar energy, wind energy, or simply conserving resources. While these are essential practices we should adopt, the current need is to push the boundaries and explore innovative solutions.


CleanTech is a buzzword these days, not only for environmentalists but also for responsible entrepreneurs.  It is the invisible architect building a sustainable future. It's the magic behind efficient energy use, responsible resource management, and empowering communities to thrive. This isn't about swapping lightbulbs; it's about a paradigm shift where cutting-edge solutions meet affordability and inclusivity.

CleanTech: Beyond Eco-Gadgets

Imagine a world where sustainable living seamlessly blends with affordability and progress. That's the vision of CleanTech. It fosters communities that not only minimize their environmental footprint but also ensure everyone has access to essentials like clean energy, water, and healthcare.


The term cleantech was founded in 1990s, CleanTech and today it has become a thriving industry. Government support plays a critical role, promoting CleanTech adoption and accelerating the decline of greenhouse gases.

Sustainable practices are no longer optional; they're the new normal. Clean technology is the champion, and its importance is surging across all sectors. India stands at the forefront of this green revolution, attracting a surge of innovative startups and enthusiastic investors.

A Glimpse into Tomorrow: The Future Powered by CleanTech


According to the Startup India website, the transformative potential of CleanTech will be:

  • Dominating the Grid: By 2050, CleanTech is projected to be the world's primary source of power.
  • Renewable Supremacy: Wind and solar will become the undisputed leaders in global electricity generation.
  • Electric Vehicle Takeover: Over half of all new car sales are predicted to be electric by 2030.
  • Climate Change Mitigation: CleanTech will be the hero in curbing greenhouse gas emissions and preventing climate catastrophes.

India's CleanTech sector is experiencing rapid growth, fueled by the government's ambitious goal of achieving net-zero carbon emissions by 2050. With clear targets in place, CleanTech is no longer just an industry; it's the cornerstone of a sustainable future for India and the entire planet. 


Let's have a look at India's Top Seven CleanTech Startups Leading the Green Revolution:

As India strides toward a sustainable future, CleanTech startups are at the forefront, innovating and transforming the energy landscape. Here are seven pioneering companies making waves in the sector.

75F: Smart Building Solutions

Established in 2012 by Deepinder Singh and Pankaj Chawla, 75F is a Bengaluru-based company using smart building solutions to maximize energy efficiency. Their technology, combining wireless sensors, equipment controllers, and cloud software, proactively monitors and adjusts building temperatures, preventing damage and saving energy. Initially targeting commercial real estate, 75F expanded to HVAC solutions in 2015. Their success is backed by a strong investment portfolio that includes Siemens AG and Breakthrough Energy Ventures, with a total of $25 million raised to date.

Chakr Innovation: Tackling Emissions

Born in Delhi NCR in 2016 by Kushagra Srivastava, Arpit Dhupar, and Bharti Singhla, Chakr Innovation tackles air pollution with their Chakr Shield. This device captures over 80% of harmful particulate matter from diesel engines, even transforming some emissions into ink. Currently deployed at Delhi's Select CityWalk, the Chakr Shield promises pollution reduction equivalent to a 228-acre forest, and they're exploring Metal-Air battery tech for even greater environmental impact.

Greenko Group: Scaling Renewable Energy

A leader in clean technology, Greenko was founded in Hyderabad in 2004 by Anil Chalamalasetty and Mahesh Kolli. With a massive 7.5 GW of renewable energy capacity across 15 states, Greenko provides affordable utility-scale power. They're at the forefront of energy storage solutions, developing projects in Karnataka, Andhra Pradesh, and Madhya Pradesh. Backed by major investors like GIC and the Abu Dhabi Investment Authority (totaling $6.7 billion), Greenko is pioneering 24/7 clean energy solutions, as evidenced by their recent 975 MW renewable energy project with ArcelorMittal.

h2e Power Systems: Green Hydrogen Pioneers

Founded in Pune in 2011 by Siddharth R. Mayur, Amar Chakradeo, and Bhavana S. Mayur, h2e Power Systems champions clean energy solutions. Their focus lies on fuel cells and electrolysers, enabling technologies for green hydrogen production. Notably, they established India's first green hydrogen plant and currently serve over 182 clients worldwide. Guided by their CRS (conserve, replace, sustainable, scalable) program, h2e is pushing boundaries in the renewable energy sector.

Log9 Materials: Advanced Battery Technology

Log9 Materials, a Bengaluru-based company founded by Dr. Akshay Singhal, Mr. Pankaj Sharma and Mr. Kartik Hajela, is making waves in the Indian EV industry. They are the first company in the country to manufacture commercial lithium-ion cells, specifically Lithium Titanate Oxide batteries designed for India's hot climate.

These batteries offer advantages like rapid charging, long lifespans, and high safety standards. Log9's commitment goes beyond innovation – they prioritize responsible battery lifecycles through a recycling program, ensuring maximum resource use and minimal environmental impact. Their focus lies on developing cells and batteries for electric vehicles, primarily two-wheelers, three-wheelers, and four-wheelers. Additionally, they recently rebranded their mobility business into Amphion, which now functions as an asset management company. Log9 has successfully secured $40 million in its Series B funding round.

ReNew Power: Renewable Energy Leader

Established in Delhi NCR in 2011 by Sumant Sinha, ReNew Power is a leading independent power producer. They generate over 8 GW of clean energy and achieved unicorn status in 2017. Continuously expanding, ReNew partners with companies like Larsen & Toubro on green hydrogen projects. With an ambitious goal of owning 18 GW of renewable assets by FY25, ReNew is a key player in India's journey towards decarbonization.

But don't limit yourselves to the well-trodden path. While solar, wind, and conservation are crucial, the cleantech revolution demands we push boundaries. We need a new generation of innovators to challenge assumptions and develop solutions that are not just effective, but affordable and accessible to all. This is how we build a sustainable future, together. Happy World Environment Day!

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