Introduction: Canada’s Clean Energy Startup Moment
Canada has emerged as one of the world’s most compelling clean energy startup ecosystems in 2026. Blessed with vast renewable resources, a highly educated workforce, and a federal government committed to net zero by 2050, Canadian clean energy startups are attracting record investment and building world-class technology. From hydrogen electrolysers to utility-scale battery storage, these companies are positioning Canada as a global clean energy exporter.
This guide profiles the top 10 clean energy startups in Canada right now, with verified funding data, leadership details, and what makes each company a standout in one of the world’s most important emerging sectors.
What Is a Clean Energy Startup?
A clean energy startup is a privately held or recently public company developing technologies that generate, store, distribute, or enable the efficient use of energy with minimal carbon emissions. In Canada, this category includes hydrogen technology, grid-scale battery storage, solar and wind developers, energy management software, and carbon capture companies.
Top 10 Clean Energy Startups Canada 2026
1. Hydrostor
| Founded | 2010 |
| Headquarters | Toronto, Ontario |
| CEO / Founder | Curtis VanWalleghem |
| Total Funding | Over $250 million |
| Focus | Advanced compressed air energy storage |
| Website | hydrostor.ca |
About
Hydrostor has developed Advanced Compressed Air Energy Storage (A-CAES), a long-duration energy storage technology that stores energy by compressing air underground and releasing it to generate electricity during peak demand. Unlike lithium-ion batteries, Hydrostor systems can store energy for 8 to 24 hours at utility scale without degrading over time.
The company has projects in development across Canada, California, and Australia. Its Rosamond Clean Energy Storage project in California will be one of the largest long-duration energy storage facilities in North America when completed. Goldman Sachs and AIMCo are among its strategic investors.
Core Products
A-CAES systems store electricity as compressed air in underground caverns or purpose-built vessels. The technology delivers 8 to 24 hours of grid-scale energy storage at costs competitive with gas peaker plants. Hydrostor’s modular architecture allows systems from 5MW to 500MW with no degradation over the project lifetime.
2. Loop Energy
| Founded | 2005 |
| Headquarters | Burnaby, British Columbia |
| CEO / Founder | Ben Nyland |
| Total Funding | Over $85 million (public: TSX: LPEN) |
| Focus | Hydrogen fuel cell systems for commercial vehicles |
| Website | loopenergy.com |
About
Loop Energy designs and manufactures hydrogen fuel cell systems for zero-emission commercial vehicles, buses, and stationary power applications. The company’s eFlow fuel cell technology uses a proprietary bipolar plate design that improves efficiency at high power loads where competing fuel cells underperform.
Loop Energy has commercial partnerships with bus and truck manufacturers in Europe and Asia, and has completed certification for its fuel cell systems under European heavy vehicle regulations. The company is pursuing Canada’s growing hydrogen infrastructure investment to accelerate domestic commercial deployments.
Core Products
The S300 Fuel Cell System delivers 300kW for heavy-duty truck and bus applications. The S200 is a 200kW system for medium-duty commercial vehicles. eFlow bipolar plate technology improves efficiency and reduces platinum catalyst requirements, lowering system cost per kilowatt.
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3. Ekona Power
| Founded | 2017 |
| Headquarters | Burnaby, British Columbia |
| CEO / Founder | David Parkinson |
| Total Funding | Over $60 million |
| Focus | Turquoise hydrogen via methane pyrolysis |
| Website | ekonapower.com |
About
Ekona Power is developing a methane pyrolysis process that splits natural gas into hydrogen and solid carbon without producing CO2. This produces turquoise hydrogen at a cost between green hydrogen produced from electrolysis and grey hydrogen from conventional steam methane reforming, with a dramatically lower carbon footprint.
The solid carbon byproduct can be used in steel manufacturing, tires, and construction materials, making the process potentially carbon-negative when the carbon is permanently sequestered. ATCO and Canadian Natural Resources are among Ekona’s strategic partners, connecting it to Canada’s existing gas infrastructure.
Core Products
The Ekona Hydrogen Generator uses pulsed thermal decomposition to split methane into hydrogen and solid carbon in a single reactor. The process operates at industrial scale and integrates with existing natural gas distribution infrastructure. The solid carbon output is sold as a commodity to industrial buyers.
4. Eavor Technologies
| Founded | 2017 |
| Headquarters | Calgary, Alberta |
| CEO / Founder | John Redfern |
| Total Funding | Over $250 million |
| Focus | Closed-loop geothermal energy |
| Website | eavor.com |
About
Eavor has developed Eavor-Loop, a closed-loop geothermal system that does not require hydrothermal reservoirs and can be deployed almost anywhere in the world. Unlike conventional geothermal, Eavor-Loop circulates a working fluid through sealed underground pipes, eliminating the environmental risks of induced seismicity and groundwater contamination.
The company has received investment from BP Ventures, Chevron Technology Ventures, and Equinor Ventures. Eavor is deploying its first commercial project in Germany and has signed agreements in North America and Europe for projects delivering 24/7 renewable baseload power, a capability no other renewable energy source can match without storage.
Core Products
Eavor-Loop is a closed multilateral geothermal well system that delivers baseload heat and power from rock temperatures in virtually any geological formation. The system provides dispatchable renewable power with no emissions, no fuel cost, and a 40-plus year operational lifespan.
5. General Fusion
| Founded | 2002 |
| Headquarters | Burnaby, British Columbia |
| CEO | Greg Twinney |
| Total Funding | Over $300 million |
| Focus | Magnetized Target Fusion energy |
| Website | generalfusion.com |
About
General Fusion is pursuing the most commercially pragmatic approach to fusion energy, using Magnetized Target Fusion to heat plasma with pistons and mechanical compression rather than lasers or superconducting magnets. This approach is simpler, cheaper, and faster to scale than competing fusion methods.
The company has secured backing from Jeff Bezos, the Malaysian government, and Chrysalix Venture Capital. General Fusion is building a demonstration plant in the UK to prove its technology at near-commercial scale. If successful, fusion could provide limitless clean baseload power within a decade.
Core Products
The Magnetized Target Fusion Demonstration Plant will demonstrate net energy production from fusion at industrial scale. The company’s plasma injector and compression system technology forms the core intellectual property for a commercial fusion power plant design.
6. Carbon Engineering
| Founded | 2009 |
| Headquarters | Squamish, British Columbia |
| CEO | Daniel Friedmann |
| Total Funding | Acquired by Oxy in 2023 for $1.1 billion |
| Focus | Direct air capture of CO2 |
| Website | carbonengineering.com |
About
Carbon Engineering pioneered industrial-scale direct air capture technology, building systems that pull CO2 directly from the atmosphere for permanent storage or conversion to synthetic fuels. The company was acquired by Occidental Petroleum in 2023 for 1.1 billion dollars and continues to operate from its Squamish, BC headquarters.
Carbon Engineering’s technology underpins the Stratos project in Texas, one of the world’s first commercial-scale direct air capture plants. Its approach uses a liquid solvent system and natural gas or renewable energy to drive the capture and compression process.
Core Products
Industrial Direct Air Capture plants extract CO2 from ambient air at commercial scale. Air to Fuels technology converts captured CO2 and clean hydrogen into synthetic gasoline, diesel, or jet fuel. Carbon Removal Credits are sold to corporations and governments seeking certified carbon removal.
7. Temporal Power
| Founded | 2008 |
| Headquarters | Mississauga, Ontario |
| CEO / Founder | Brent Perry |
| Total Funding | Not publicly disclosed |
| Focus | Kinetic energy storage via flywheel systems |
| Website | temporalpower.com |
About
Temporal Power develops high-performance flywheel energy storage systems that deliver fast frequency response to electricity grids, smoothing out the moment-to-moment fluctuations caused by variable renewable energy sources. The company’s flywheels spin at high speeds in a vacuum, storing kinetic energy that can be released in milliseconds.
Temporal Power’s systems have been contracted by Ontario’s Independent Electricity System Operator for frequency regulation services. Flywheel technology complements battery storage by handling the rapid short-term grid balancing that degrades lithium-ion batteries over time, extending battery system lifespans.
Core Products
The Temporal flywheel system provides grid frequency regulation at response times under one second. The technology integrates with renewable energy farms and battery storage systems to provide a complete grid stabilisation package. Remote monitoring and grid services management software is included with every installation.
8. Electrovaya
| Founded | 1996 |
| Headquarters | Mississauga, Ontario |
| CEO / Founder | Raj Das Gupta |
| Total Funding | Public company (TSX: ELVA) |
| Focus | Lithium-ion battery systems for industrial and EV applications |
| Website | electrovaya.com |
About
Electrovaya designs and manufactures lithium-ion battery systems for electric forklifts, commercial vehicles, and energy storage applications. The company’s SuperPolymer ceramic separator technology improves battery safety and extends cycle life, enabling high-performance batteries for demanding industrial duty cycles.
Electrovaya’s battery systems power industrial equipment at Amazon, FedEx, and major food distribution operations across North America. The company manufactures in Ontario, providing a North American supply chain alternative to Asian battery manufacturers for industrial customers with domestic sourcing requirements.
Core Products
Electric Forklift Battery Systems replace lead-acid batteries in warehouse and logistics equipment with longer-lasting, faster-charging lithium-ion alternatives. Energy Storage Systems provide grid and commercial building battery backup and peak shaving. Commercial Vehicle Battery Packs serve last-mile delivery and transit bus applications.
9. Northland Power
| Founded | 1987 |
| Headquarters | Toronto, Ontario |
| CEO | Mike Crawley |
| Total Funding | Public company (TSX: NPI) |
| Focus | Offshore wind and global clean energy development |
| Website | northlandpower.com |
About
Northland Power is one of Canada’s largest independent clean energy producers, developing, building, and operating offshore wind, solar, and natural gas facilities across Canada, Europe, Latin America, and Asia. The company is considered a founder-class clean energy company with a 35-year track record of project execution.
Northland’s offshore wind portfolio includes projects in Germany, the Netherlands, and South Korea, with a development pipeline representing several gigawatts of additional capacity. The company is a model for how Canadian clean energy expertise can be exported globally.
Core Products
Offshore Wind Development delivers projects from 100MW to 1GW in proven wind markets. Onshore Solar and Wind operates generating facilities across Canada and internationally. The company’s development pipeline provides a view of projects in preconstruction and permitting stages across multiple geographies.
10. Terrestrial Energy
| Founded | 2012 |
| Headquarters | Oakville, Ontario |
| CEO / Founder | Simon Irish |
| Total Funding | Over $30 million |
| Focus | Integral Molten Salt Reactor nuclear energy |
| Website | terrestrialenergy.com |
About
Terrestrial Energy is developing the Integral Molten Salt Reactor (IMSR), a Generation IV nuclear technology that operates at high temperatures, enabling both electricity generation and industrial heat supply. This positions the IMSR as a clean energy source for hard-to-decarbonise industrial processes including hydrogen production, mining, and chemical manufacturing.
The IMSR received a pre-licensing vendor design review from the Canadian Nuclear Safety Commission and is pursuing regulatory approval in both Canada and the United States. Ontario Power Generation and Bruce Power have engaged with Terrestrial Energy as potential deployment partners.
Core Products
The IMSR400 is a 390 MW thermal molten salt reactor providing both electricity and process heat. The compact design enables factory fabrication and modular deployment. The reactor’s walk-away safe design removes the need for active emergency cooling systems.
Key Takeaways
Canada’s clean energy startup ecosystem benefits from world-class natural resources, a deep talent pool in engineering and science, and a federal policy framework that rewards clean energy investment with significant tax incentives and grant programs. The country’s hydrogen strategy is attracting billions in investment from both domestic and international players, with Alberta’s gas infrastructure and British Columbia’s hydropower resources creating distinct regional advantages. Long-duration energy storage, including compressed air and geothermal, is an area of particular Canadian strength, addressing the intermittency problem that limits renewable energy adoption. Advanced nuclear technologies are receiving serious regulatory attention in Canada, with the CNSC running pre-licensing reviews of multiple Generation IV designs. Canadian clean energy companies are increasingly winning international contracts, establishing the country as a global clean energy exporter rather than merely a domestic market.
Canada’s clean energy opportunity is one of the most compelling in the world for founders and investors alike.
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Frequently Asked Questions
Q: Which Canadian clean energy startup has raised the most funding?
A: Carbon Engineering raised the most with a 1.1 billion dollar acquisition by Occidental Petroleum in 2023, followed by Hydrostor and Eavor Technologies with over 250 million dollars each.
Q: What is Canada’s hydrogen strategy?
A: Canada’s Hydrogen Strategy aims to make Canada a top three global hydrogen producer by 2050, with incentives for green and low-carbon hydrogen production, storage, and export infrastructure.
Q: Is Canada investing in nuclear energy startups?
A: Yes. Canada has a strong nuclear regulatory framework and is supporting small modular reactor and Generation IV reactor development through the Canadian Nuclear Safety Commission’s pre-licensing process and government funding programs.
Q: What makes Canada a strong clean energy startup ecosystem?
A: Canada’s combination of natural resources, engineering talent, federal clean energy incentives, and proximity to US and European markets creates a uniquely advantaged environment for clean energy company formation and growth.
Q: Is geothermal energy big in Canada?
A: Canada has significant geothermal potential, particularly in the west, and companies like Eavor Technologies are developing closed-loop systems that can deploy geothermal power in locations previously unsuitable for conventional hydrothermal development.