# Incubators and accelerators backing Cleantech (2026 list)

> 49 incubators and accelerators backing Cleantech, 90% active in the last 12 months. Led by Y Combinator, Plug and Play, MassChallenge.

Source: https://millionrounds.com/lists/incubators-accelerators-cleantech (Millionrounds; every figure on the page links to its filing or article)

[Investor Lists](https://millionrounds.com/lists)

# Incubators and accelerators backing Cleantech

Updated 7 November 2026

Incubators and accelerators we have observed in a cleantech round in the last two years.

[See all 49 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fincubators-accelerators-cleantech)The top 25

**49** investors on the list No change this week

**1,921** cheques in 12 months *-25%* against the market

**$3M** median round they joined *-62%* against the market median

**90%** wrote a cheque in 12 months

**39%** have led a round

## The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

- 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) *Deploying now* Accelerator · United States **6,412** **$3M** median round **Oct 2026** last seen
- 2 [Plug and Play](https://millionrounds.com/fund/plug-and-play) *Deploying now* Accelerator · United States **1,561** **$5M** median round **Nov 2026** last seen
- 3 [MassChallenge](https://millionrounds.com/fund/masschallenge) *Deploying now* Accelerator · United States **984** **$1.8M** median round **Sept 2026** last seen
- 4 [Google for Startups](https://millionrounds.com/fund/google-for-startups) *Deploying now* Accelerator · United States **811** **$1.4M** median round **Sept 2026** last seen
- 5 [Creative Destruction Lab](https://millionrounds.com/fund/creative-destruction-lab) *Deploying now* Accelerator · Canada **427** **$3M** median round **Sept 2026** last seen
- 6 [Neo](https://millionrounds.com/fund/neo) *Deploying now* Accelerator · United States **364** **$5.5M** median round **Nov 2026** last seen
- 7 [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) *Deploying now* Accelerator · United Kingdom **332** **$3.6M** median round **Oct 2026** last seen
- 8 [Venture Kick](https://millionrounds.com/fund/venture-kick) *Deploying now* Accelerator · Switzerland **329** **$2.1M** median round **Nov 2026** last seen
- 9 [In-Q-Tel](https://millionrounds.com/fund/iqt) *Deploying now* Accelerator · United States **273** **$20M** median round **Nov 2026** last seen
- 10 [Berkeley SkyDeck](https://millionrounds.com/fund/berkeley-skydeck) *Deploying now* Accelerator · United States **231** **$2M** median round **Oct 2026** last seen
- 11 [Founder Institute](https://millionrounds.com/fund/founder-institute-montreal) *Deploying now* Accelerator · United States **222** **$129K** median round **May 2026** last seen
- 12 [Cleantech Open](https://millionrounds.com/fund/cleantech-open) *Deploying now* Accelerator · United States **165** **$1.1M** median round **Sept 2026** last seen
- 13 [Google](https://millionrounds.com/fund/google-assistant-investments) *Deploying now* Accelerator · United States **154** **$40M** median round **Nov 2026** last seen
- 14 [Business Finland](https://millionrounds.com/fund/business-finland) *Deploying now* Accelerator · Finland **153** **$2.3M** median round **Sept 2026** last seen
- 15 [AGORANOV](https://millionrounds.com/fund/agoranov) *Deploying now* Accelerator · France **138** **$3M** median round **Jul 2026** last seen
- 16 [Brinc](https://millionrounds.com/fund/brinc) *Deploying now* Accelerator · Hong Kong SAR China **132** **$500K** median round **Jul 2026** last seen
- 17 [Rockstart](https://millionrounds.com/fund/rockstart) *Deploying now* Accelerator · Netherlands **131** **$1.2M** median round **Sept 2026** last seen
- 18 [BonAngels Venture Partners](https://millionrounds.com/fund/bon-angels) *Deploying now* Accelerator · South Korea **125** **$4.3M** median round **Jul 2026** last seen
- 19 [Borderless Capital](https://millionrounds.com/fund/borderless-capital) *Deploying now* Accelerator · United States **120** **$4.5M** median round **Oct 2026** last seen
- 20 [SVG Ventures](https://millionrounds.com/fund/svg-ventures) *Deploying now* Accelerator · United States **119** **$1.6M** median round **Sept 2026** last seen
- 21 [Thrive Capital](https://millionrounds.com/fund/thrive-capital) *Deploying now* Accelerator · United States **101** **$123M** median round **Sept 2026** last seen
- 22 [Beam](https://millionrounds.com/fund/beam) *Deploying now* Accelerator · Germany **93** **$4M** median round **Sept 2026** last seen
- 23 [Surge](https://millionrounds.com/fund/peak-xv-partners) *Deploying now* Accelerator · Singapore **91** **$5.1M** median round **Sept 2026** last seen
- 24 [Wilco](https://millionrounds.com/fund/wilco) *Deploying now* Accelerator · France **88** **$3.5M** median round **Jul 2026** last seen
- 25 [AcceliCITY powered by Leading Cities](https://millionrounds.com/fund/accelicity-powered-by-leading-cities) *Deploying now* Accelerator · United States **84** **$760K** median round **May 2026** last seen

**24 more on this list**

All 49 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

[See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fincubators-accelerators-cleantech)

## The Newest Cheques

Rounds this list's investors joined most recently

- **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [In-Q-Tel](https://millionrounds.com/fund/iqt)
- **5** Nov **[Bizay](https://millionrounds.com/company/bizay)** Series D+ *Led by* [Indico Capital Partners](https://millionrounds.com/fund/indico-capital-partners)
- **5** Nov **[Circularity Fuels](https://millionrounds.com/company/circularity-fuels)** Seed · $7M *With* [Sum Ventures](https://millionrounds.com/fund/sum-ventures-2)
- **4** Nov **[Lazarus AI](https://millionrounds.com/company/lazarus-ai)** $43M *With* [Plug and Play](https://millionrounds.com/fund/plug-and-play)
- **3** Nov **[Apolarion](https://millionrounds.com/company/apolarion)** Other · $183K *Led by* [Venture Kick](https://millionrounds.com/fund/venture-kick)
- **3** Nov **[Agrani Labs](https://millionrounds.com/company/agrani-labs)** $108M *With* [Google](https://millionrounds.com/fund/google-assistant-investments)

## Stages This Year

1,835 rounds

- Venture **25%**
- Seed **20%**
- Pre-seed **17%**
- Series A **15%**
- Grant **5%**
- Other **18%**

## What They Backed

Sectors, last 12 months

- AI **828**
- Big Data & Analytics **108**
- Fintech **97**
- Healthcare **93**
- Biotech **82**
- Energy **64**

## Cheques by Quarter

Led Joined

670 Q1 25

654 Q2 25

734 Q3 25

677 Q4 25

640 Q1 26

545 Q2 26

389 Q3 26

67 Q4 26

The last bar is the quarter still running.

## Lists Like This

- [VC firms backing AI 4,329](https://millionrounds.com/lists/vc-firms-ai)
- [VC firms backing Fintech 1,856](https://millionrounds.com/lists/vc-firms-fintech)
- [VC firms backing Big Data & Analytics 1,248](https://millionrounds.com/lists/vc-firms-big-data)
- [VC firms backing Biotech 1,207](https://millionrounds.com/lists/vc-firms-biotech)
- [VC firms backing Robotics 1,098](https://millionrounds.com/lists/vc-firms-robotics)
- [VC firms backing Construction 1,025](https://millionrounds.com/lists/vc-firms-construction)
- [VC firms backing Energy 998](https://millionrounds.com/lists/vc-firms-energy)
- [PE firms backing AI 956](https://millionrounds.com/lists/pe-firms-ai)
- [VC firms backing Cybersecurity 950](https://millionrounds.com/lists/vc-firms-cybersecurity)

[All investor lists *→*](https://millionrounds.com/lists)

## Reading for founders in climate and energy

- Taming the Sun: Innovations to Harness Solar Energy and Power the Planet Varun Sivaram · 2018 4.06 from 510 ratings on Goodreads Climate and energy Innovation About the book How solar could spark a clean-energy transition through transformative innovation--creative financing, revolutionary technologies, and flexible energy systems. Solar energy, once a niche application for a limited market, has become the cheapest and fastest-growing power… On AmazonListen on Audible
- Race for Tomorrow: Survival, Innovation and Profit on the Front Lines of the Climate Crisis Simon Mundy · 2022 4.22 from 207 ratings on Goodreads Climate and energy Innovation Company building About the book In this extraordinary journey through twenty-six countries, Simon Mundy meets the people on the front lines of the climate crisis, showing how the struggle to respond is already reshaping the modern world – shattering communities, shaking up global business, and propelling a… On AmazonListen on Audible
- The Elements of Power: Gadgets, Guns, and the Struggle for a Sustainable Future in the Rare Metal Age David S. Abraham · 2015 4.06 from 264 ratings on Goodreads Climate and energy Company building About the book Our future hinges on a set of rare metals that few of us have even heard of. In this eye-opening book, a natural resource strategist reveals the critical importance of these transformative elements to our technological lifestyle and the consequences of our reliance upon them,… On AmazonListen on Audible
- Scale: The Universal Laws of Growth, Innovation, Sustainability, and the Pace of Life in Organisms, Cities, Economies, and Companies Geoffrey B. West · 2017 4.11 from 5,764 ratings on Goodreads Climate and energy Company building Innovation About the book The former head of the Sante Fe Institute, visionary physicist Geoffrey West is a pioneer in the field of complexity science, the science of emergent systems and networks. The term “complexity” can be misleading, however, because what makes West’s discoveries so beautiful is… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&industry=climate).

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about incubators and accelerators backing Cleantech

### Who are the most active incubators and accelerators backing Cleantech?

By cheques observed, the most active are Y Combinator, Plug and Play, MassChallenge, Google for Startups and Creative Destruction Lab.

### How many incubators and accelerators backing Cleantech are there?

49 are on record. 90% made an investment in the last 12 months and 39% have led a round.

### Which stages do incubators and accelerators backing Cleantech back?

Of the rounds with a named stage in the last 12 months, mostly Seed (28%) and Pre-seed (24%).

### How big are the rounds incubators and accelerators backing Cleantech join?

The typical (median) round among the leading investors here is $3M.

### Which sectors do incubators and accelerators backing Cleantech back most?

In the last 12 months, mostly AI, Big Data & Analytics and Fintech.

### Which incubators and accelerators backing Cleantech lead the most rounds?

Thrive Capital (14 led), Y Combinator (11 led) and Surge (8 led).

### Where are incubators and accelerators backing Cleantech based?

Among the most active, most are based in the United States (14), France (2) and Canada (1).

### What have incubators and accelerators backing Cleantech invested in recently?

Recent rounds include Ocient (Series C, Nov 2026, with In-Q-Tel), Bizay (Series D+, Nov 2026, with Indico Capital Partners) and Circularity Fuels (Seed, Nov 2026, with Sum Ventures).

Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)