06/30/2025
Ammonia for Maritime Decarbonization
Ammonia is currently one of the most divisive topics in the maritime decarbonization space. The decarbonization potential of ammonia is unde...
The Innovation Challenge Hub
WHERE CLEANTECH ENTREPRENEURS MEET OPPORTUNITIES
What Will You Do Next?
Looking to develop, pilot, or scale your innovation? Take advantage of the myriad of opportunities provided by Innovation Challenges for which corporates, investors, accelerators, and governments are recruiting.
Cleantech Group helps innovators by sharing live (and expired) challenges that have captured our attention from our daily work engaging with the global cleantech ecosystem. The Innovation Challenge Hub is a useful resource to keep coming back to.
Cleantech Group is an active partner on these challenges:
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Innovation Challenges
You can search and filter through challenges by typing in the search field or by using the dropdowns below.
Click here to view past challenges.
MassChallenge
Deadline: July 15, 2025
U.S. Early Stage Security & Resiliency Program
Startups in the U.S. Early Stage Security &...
Startups in the U.S. Early Stage Security & Resilience Program are advancing tech like AI logistics and quantum-safe cybersecurity to strengthen national security and global resilience and tap into a $750B+ market.
Shell GameChanger, Idea Village
Deadline: August 31, 2025
Coastal Innovation Challenge 2025
Shell GameChanger and The Idea Village have joined forces to launch the Coastal Innovation Challenge 2025.
This call for solutions invites founders developing innovative technologies to support coastal restoration, sustainable coastal construction, and marine biodiversity. With the Gulf South’s unique ecosystems and economy closely tied to coastal health, this initiative is an opportunity to unlock scalable solutions that strengthen natural infrastructure and support long-term environmental resilience.
The California Governor’s Office of Business and Economic Development (GO-Biz)
Deadline: February 26, 2026
CleanTech in the Nordics Export Training
The California Governor’s Office of Business and Economic De...The California Governor’s Office of Business and Economic Development (GO-Biz) invites California small businesses to register their interest in export training targeting clean technology for Denmark, Norway, and Sweden.
LCBA Canada
Ongoing
Natural Gas Boiler and Heating
Maple Leaf Foods is seeking scalable, low-emission alternati...Maple Leaf Foods is seeking scalable, low-emission alternatives to natural gas for industrial heating.
LCBA Canada
Ongoing
Canadian National Waste Ties
CN is seeking sustainable solutions to divert used wooden ra...CN is seeking sustainable solutions to divert used wooden railway ties from landfill.
LCBA Canada
Ongoing
Critical Raw Materials
Technologies improving mining practices to support the EU-Ca...Technologies improving mining practices to support the EU-Canada Critical Raw Materials partnership.
LCBA Canada
Ongoing
Housing
Canada faces urgent housing affordability challenges and see...Canada faces urgent housing affordability challenges and seeks innovative, sustainable construction solutions.
LCBA Canada
Ongoing
Canadian National Wildfire Detection, Monitoring & Modelling
CN is seeking advanced solutions for wildfire detection and ...CN is seeking advanced solutions for wildfire detection and risk modelling.
LCBA Canada
Ongoing
Cleantech Components
Canadian cleantech companies seek high-...
Canadian cleantech companies seek high-performance components to overcome supply challenges and boost efficiency.
LCBA Canada
Ongoing
Recirculating Aquaculture Systems, Containerized and Vertical Farming
Canada is seeking resilient, year-round...
Canada is seeking resilient, year-round food production solutions like RAS and vertical farming.
Sustainable Ventures
Ongoing
Innovation Challenge: Lambeth
Sustainable Ventures is launching a competition to help SMES...Sustainable Ventures is launching a competition to help SMES & Established Businesses solve their net zero challenges and Innovators scale their solutions particularly in low carbon buildings, waste management, behavior change, and low carbon mobility.
Imagine H2O Asia
Ongoing
Pilot Funding & Scale Up Support
Asia-Pacific water challenges that are addressed by entrepre...Asia-Pacific water challenges that are addressed by entrepreneurs receive pilot funding and scale up support with partners.
Plug-and-Play
Ongoing
Mobility Accelerator
Autonomous vehicles, connectivity, electrification, smart ci...Autonomous vehicles, connectivity, electrification, smart cities.
Rolling applications year round. Stage-agnostic.
EcoLabs
Ongoing
EcoLabs-Continental Urban Mobility Accelerator
Spanning urban mobility, electrification, energy efficiency,...Spanning urban mobility, electrification, energy efficiency, and sustainable transport.
Open to applicants in all regions/continents.
EVA
Ongoing
Electric Vehicle Accelerator
Charging infrastructure, EV fleets, services supporting elec...Charging infrastructure, EV fleets, services supporting electric mobility.
Announced in April 2022. Open to companies located beyond Singapore.
Get our Guides to Successful Innovation and Put Your Company Ahead of the Rest
Fast Guide to Successful Innovation Part One: How to Smash the Innovation Challenge Application
How much information should you share? What's essential? Optional? Part One of our Fast Guide to Successful Innovation zeroes in on what you need to do to connect with the decision makers in all the right ways.
Fast Guide to Successful Innovation Part Two: Pitching a Cleantech Company - Your Checklist for Success
Selling your idea or product to new audience can be as daunting as it is exciting. Our checklist takes you through a plan for getting the the best possible outcome.
Fast Guide to Successful Innovation Part Three: How to Get the Most from your Corporate Cleantech Partner
Understanding your potential new partner's requirements, and even their language, will help you benefit from the process, manage your feedback and respond with useful information.
Insights to Support Your Progress
About Cleantech Group
At Cleantech Group, we provide research, consulting and events to catalyze opportunities for sustainable growth powered by innovation. We bring clients access to the trends, companies and people shaping the future and the customized advice and support businesses need to engage external innovation.
Industries are undergoing definitive transitions toward a more digitized, de-carbonized and resource-efficient industrial future. At every stage from initial strategy to final deals, our services bring corporate change makers, investors, governments and stakeholders from across the ecosystem, the support they need to thrive in this fast-arriving and uncertain future.
The company was established in 2002 and is headquartered in San Francisco with with offices in Asia, Europe and North America.
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