Money is flowing into clean technology. The investment dollars are flowing into green energy, sustainable manufacturing and climate solutions. The numbers prove this is not a small trend. Greentech startup funding 2026 has already crossed $15 billion in the first half of the year. The second quarter alone saw about $8 billion. Approximately $8 billion was on the books for the second quarter alone.
This is the largest quarterly figure since 2024. There's plenty of big deals going on. The focus is on green steel, fusion energy and EV. Additionally, India is witnessing significant investments in green hydrogen and solar energy. This article explains where the money has been spent, the largest transactions, and the implications for the future of clean tech.
The Big Picture: $15 Billion Already Invested
In the first half of 2026, investors put $15 billion into greentech, EV, and sustainability startups . This is a good sign. The second quarter alone saw about $8 billion invested. That is the highest quarterly total since 2024 .
The numbers are going up. Q2 was better than Q1. If this pace continues, total funding for 2026 will be higher than 2025 .
Of course, this is still below the peak years of 2021 and 2022. AI is getting more attention right now. But greentech is not slowing down. The sector is stable and growing.
Read More: Best GreenTech Investment Platforms Guide
The Biggest Deals of 2026 So Far
Some deals this year have been huge. Here are the biggest ones.
Stegra: $1.6 Billion for Green Steel
- Stegra is a Swedish company making green steel. They raised $1.6 billion in one round. This is the largest financing of 2026. Swedish asset manager Wallenberg Investments led the round .
- The money will complete construction of their large-scale steel plant. Green steel is important because steel production creates a lot of emissions. Stegra is working on a cleaner way to do it.
Slate Auto: $650 Million for Electric Trucks
- Slate Auto is backed by Jeff Bezos. They raised $650 million in Series C funding. The company makes an electric pickup truck starting at around $25,000. The truck can convert to an SUV .
- The company plans to deliver its first trucks later this year. This shows investors still believe in EV startups. But the focus is on affordable vehicles now.
Fusion Deals: Helion and Inertia
- Fusion energy got two big deals this year. This is the technology that could change everything.
- Helion Energy raised $465 million in June. The round was led by Thrive Capital. The company is building a fusion power plant. Its valuation is now $15.5 billion .
- Inertia raised $450 million earlier in the year. The round was led by Bessemer Venture Partners. The company was formed around a fusion breakthrough at Lawrence Livermore National Laboratory. They are building the world's most powerful laser to produce grid-scale energy .
Greentech Funding in India
- India is seeing a lot of activity too. The government is supporting renewable energy. Private investors are putting money in.
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Hygenco Green Energies: $105 Million for Green Hydrogen
- Hygenco is based in Gurugram. They raise $105 million in equity funding. The investors are International Finance Corporation, Siemens Financial Services, and Fullerton Carbon Action Fund .
- This is the first direct green hydrogen investment in India from all three institutions. IFC is putting in $50 million. Siemens Financial Services is contributing $25 million. Fullerton Carbon Action Fund is investing up to $30 million .
- The money will develop green hydrogen projects across India. Green hydrogen is a key part of India's clean energy future.
ACME Solar: 2,647 Crore for Renewable Energy
- ACME Solar secured 2,647 crore from REC Limited. This is project financing for a 450 MW renewable energy project. The project includes battery storage .
- REC is the sole lender. The loan has a 20-year tenure. The project has a 25-year power purchase agreement. ACME already has a diverse portfolio. They operate across solar, wind, hybrid, and energy storage solutions .
GRE Renew Enertech: 224 Crore Order Book
- GRE Renew Enertech has crossed 100 MW of solar installations. Their order book is now worth about 224 crore .
- A big chunk of this comes from one project. They won a 175 crore turnkey contract for a 50 MW solar plant in Maharashtra. The company operates through both EPC and RESCO models .
- Their profit after tax was 13.6 crore last year. That is a three-year growth rate of 147 percent .
Southeast Asia: $1.1 Billion in Climate Tech Funding
Singapore is leading climate tech funding in Southeast Asia. The region has drawn about $1.1 billion across 268 rounds as of June 2026 .
Singapore alone accounts for $872 million of that total. The most funded sectors are:
- Solid waste management
- Smart grid
- Energy efficiency
- Air pollution management
- Renewable energy
Seed and early-stage rounds make up most of the capital deployed .
GreenTech Amsterdam 2026
GreenTech Amsterdam is a major event for the industry. It took place from June 9 to 11 at RAI Amsterdam . The event brought together over 520 horticulture innovators. There were more than 80 knowledge sessions and over 250 experts .
The central theme was "PURE." The focus was on clean technology, smart data use, and natural principles . The event also had a Robotics & AI Lab. This focused on automation and digitalisation in greenhouse horticulture .
The event is important because it connects technology with practical applications. This is where you can see the future of sustainable farming.
You May Also Read: Why Green Technology Is Important for Sustainability
Greentech Renewables and Solar Progress
- The solar industry continues to grow. Companies are expanding their capabilities.
- GRE Renew Enertech's journey shows this. They started small. Now they have over 100 MW of installations. Their active EPC order book is about 75 MW. This shows the market is there and growing .
- They work with industrial, commercial, and government customers. They also prioritise domestically manufactured solar modules and inverters .
What This Means for 2026 and Beyond?
- The greentech sector is stable. It is not as flashy as AI. But money is flowing steadily.
- Investors are putting money into proven technologies. Green steel, fusion, solar, and hydrogen are all getting attention. India is becoming a key player. Southeast Asia is also growing.
- The real driver is demand. Electricity demand is soaring. EV adoption is rising. Governments are pushing for clean energy. These trends are not going away.
The Bottom Line
Greentech startup funding in 2026 is strong. The first half of the year saw $15 billion invested. Big deals like Stegra, Slate Auto, Helion, and Inertia show investors are serious. India is seeing major investments in green hydrogen and solar. Southeast Asia is also growing. GreenTech Amsterdam highlights the role of technology in sustainable farming.
The sector is not at its 2021 peak. But it is stable and growing. With energy demand rising, this trend will likely continue.
FAQs
1. How much money went into greentech startups in 2026?
$15 billion in the first half. Q2 alone was $8 billion. That is the best quarter since 2024. The full year will likely beat 2025 if this keeps up. The sector is not booming like AI. But it is steady and growing.
2. What were the biggest deals this year?
Stegra raised $1.6 billion for green steel. Biggest one so far. Slate Auto got $650 million for electric trucks. Helion Energy raised $465 million for fusion. Inertia raised $450 million also for fusion. Big money is going into clean tech.
3. Is India getting any of this funding?
Yes. Hygenco raised $105 million for green hydrogen. ACME Solar got 2,647 crore from REC for a 450 MW project. GRE Renew Enertech crossed 100 MW of solar installations. India is getting serious attention from investors.
4. What is GreenTech Amsterdam?
It is a big event for farming technology. Happened June 9 to 11 in Amsterdam. Over 520 innovators showed up. 80 knowledge sessions. Theme was "PURE." Clean tech and smart data. Robotics and AI lab too. Good place to see where farming is heading.
5. Which areas are getting the most money?
Green steel and fusion are getting huge deals. Solar and green hydrogen are big in India. Southeast Asia is focusing on waste management, smart grid, and energy efficiency. Renewable energy is always strong. The demand is there and growing.
