Top 53 Green Energy startups in Canada

Jul 20, 2025 | By Alexander Gillet

1
Funding: $2.3B
Hydrostor is a developer of Advanced Compressed Air Energy Storage (A-CAES), a long-duration, emission-free, cost-effective energy storage.
2
Funding: $871.5M
Enerkem is a cleantech company transforming waste into transportation biofuels, renewable chemicals and everyday products.
3
Funding: $569.1M
Eavor's solution, Eavor-Loop, takes a traditional niche energy source (geothermal) and makes it scalable by removing the need for either volcanic-type temperature or permeable aquifers.
4
Funding: $370.5M
General Fusion is developing utility-scale fusion power using a new, patent pending concept based on recent developments in Magnetized Target Fusion (MTF). It is the goal of General Fusion to demonstrate and commercialize this new clean, safe and economical concept by the end of the decade.
5
Funding: $280M
Terrestrial Energy creates Integral Molten Salt Reactor plants that capture the full advantages of molten salt fission technology and the superiority of a molten salt as a reactor coolant.
6
Funding: $190.1M
Electrovaya manufactures lithium ion batteries and systems for electric vehicles, portable power for industrial electronics and energy storage for smart grids. Its unique manufacturing process is toxin- and emission-free.
7
Funding: $149.4M
Ecobee is a provider of Wi-Fi enabled smart thermostats comes with Amazon's Alexa voice assistant built in for residential and commercial applications.
8
Funding: $145M
dcbel offers AI-driven sustainable technologies which enable people to leverage solar energy to power their cars, homes, and lifestyles.
9
Funding: $126.8M
Anaergia converts the biogenic portion of organic waste into renewable natural gas for distribution in municipal power grids or for fleet vehicle fuel. Its proprietary technologies are being used in more than 1,600 renewable-energy projects around the world for municipal, industrial, commercial and agricultural markets.
10
Funding: $75.1M
BrainBox AI utilizes cloud-based computing, algorithms, and a proprietary process to create an autonomous building technology.
11
Funding: $73.2M
E3 Metals is a lithium company with the goal of producing battery-quality lithium products to power the growing electrical revolution.
12
Funding: $73.2M
e-Zinc is an electrochemical technology developer of energy storage solutions.
13
Funding: $65M
Peak Power provides energy management solutions for commercial real estate and industrial companies.
14
Funding: $65.4M
ChargeLab is the Android of EV charging. Our hardware-agnostic software runs on the world’s most popular EV chargers.
15
Funding: $58M
Moment Energy develops clean, affordable, and reliable energy storage by repurposing retired electric vehicle batteries.
16
Funding: $56M
FusionOne diverts plastic waste from landfill to convert it to Hydrogen and Electricity
17
Funding: $53.1M
Morgan Solar develops concentrated photovoltaic module, which features the industry’s most advanced optical designs and is up to 15% more efficient than conventional solar panels, and two-axis tracker, which offers significantly higher ROI compared to conventional fixed-track systems because it can be set up and serviced manually rather than having to use cranes and heavy machinery.
18
Funding: $50.3M
Ionomr has developed revolutionary ion exchange membrane technology that drastically improves efficiency and performance while minimizing cost and environmental impact: hydrogen generation to fuel the hydrogen economy, hydrogen fuel cells to power vehicles, ships, buildings, conversion of CO2 to synthetic fuels
19
Funding: $50M
Kontrol Integrates smart energy devices, energy software and energy retrofits to help organizations benefit from energy cost savings while minimizing greenhouse gas emissions.
20
Funding: $40.8M
Nexterra delivers advanced gasification systems to self-generate clean, low cost heat and power using waste fuels.
Editor: Alexander Gillet
Alexander Gillet is a senior editor for EnergyStartups. He has a deep background in energy sector and startups. Alexander graduated from Emlyon Business School, a leading French business school specialized in entrepreneurship. He has helped several non-profit organizations dedicated to promoting environmental education and sustainability and has written over 250 articles on energy technology for various websites. In his free time, Alexander enjoys yoga, camping and exploring the Blue Ridge Mountains. You can contact Alexander at alexgillet(at)energystartups(dot)com