If you’re wondering where the major advances in cleantech innovation are taking place, there’s a good chance they’re in Ontario – Canada’s powerhouse for cleantech growth.

Ontario companies are leading innovation in cleantech

Ontario’s cleantech companies are helping organizations and communities around the world implement effective, efficient solutions to tough environmental challenges.

From mitigating the impacts of climate change and urbanization to delivering clean drinking water, Ontario’s cleantech industry is at the forefront of sustainable development. Here are some examples of leading companies that call the province home:

Hydrostor Inc. is a Toronto-based start-up that has developed an energy storage solution that addresses intermittent (solar and wind) load balancing, reserve capacity and peak-shaving.

Hydrogenics is implementing fuel cell and hydrogen systems to help customers shift power to a cleaner energy future.

Silfab Solar is a Mississauga-based company that produces high-efficiency photovoltaic modules for solar power generation.

Lystek International Inc. is a Cambridge-based organic materials recovery firm that is helping municipalities and other generators to reduce waste, costs, odours and greenhouse gas emissions through its innovative approach to bio-solids and organics management.

Trojan Technologies is a London-based firm behind the development of leading water treatment solutions using UV light. It provides products and services designed to make various stages of the water treatment process more effective, efficient and sustainable.

Pond Technologies is a Markham-based venture that utilizes microalgae to convert the CO2 emissions of major industrial emitters into biofuel, through the process of photosynthesis, and ultimately into bio-oil and biodiesel.

Aslan Technologies is a Burlington-based design and manufacturing company serving the chemical, water and wastewater treatment industries.

Where cleantech innovation abounds

Where cleantech innovation abounds

Ontario offers technology demonstration and research opportunities for cleantech companies. Learn more about Ontario's cleantech sector in this downloadable guide.

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Ontario offers an amazing support system for cleantech companies

Ontario Environment Industry Association (ONEIA) represents more than 200 companies, providing environmental products, technologies and services to government and industry.

Canadian Solar Industries Association (CanSIA) promotes and advances all forms of solar energy for the benefit of Canadians and the environment.

Canadian Wind Energy Association (CanWEA) represents organizations and individuals directly involved in the development and application of wind energy technology, products and services.

Ontario Sustainable Energy Association (OSEA) represents organizations and individuals developing renewable energy and community power projects.

Advanced Energy Center fosters the adoption of innovative energy technologies in Ontario and Canada and leverages those successes and experiences into international markets.

Energy Storage Ontario is a membership-based organization that advances the energy storage industry in Ontario through collaboration, education, policy advocacy and research.

The Southern Ontario Water Consortium (SOWC) encourages collaboration between private companies and academic researchers to accelerate and commercialize innovative water technologies.