356 indexable Energy companies headquartered in Ontario, Canada, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $4.6B across 53 funded companies.
| # | Company | Funding | Valuation | Stage | Latest round | Employees | Founded | Momentum |
|---|---|---|---|---|---|---|---|---|
| 1 |
Canadian Solar
Manufacturer of solar technology and renewable energy solutions, with a global presence and a focus on providing high-efficiency solar modules and sustainable energy solutions |
$230M | — | Public | Post IPO Jan 2026 | 18,423 | 2001 | ↑ Active |
| 2 |
Eco (Atlantic) Oil & Gas
Provider of offshore oil and gas exploration and production services |
$66.6M | — | Public | Post IPO Jan 2026 | 6 | 2007 | ↑ Active |
| 3 |
Silfab Solar
Manufacturer of solar PV modules |
$225M | — | Series D | Grant (prize money) May 2025 | 650 | 2010 | ↑ Active |
| 4 |
Bruce Power
Nuclear power generator |
$785M | — | Seed | Conventional Debt Dec 2024 | 4,200 | 2001 | ↑ Active |
| 5 |
Parallel
Provider of installation services for multiple electrical equipment |
$85M | — | Seed | Seed Apr 2025 | 47 | 2019 | ↑ Active |
| 6 |
Petrolympic
Junior mining company focused on gold and lithium exploration and development |
$1.9M | — | Public | Post IPO Feb 2026 | 4 | 2006 | ↑ Active |
| 7 |
Char Technologies
Provider of environmental services |
$21.9M | — | Public | Post IPO May 2025 | 25 | 2011 | ↑ Active |
| 8 |
Stormfisher
Provider of organic waste, energy, and water recycling services |
$372.1M | — | Acquired | PE Mar 2024 | 50 | 2006 | — |
| 9 |
Jade Power
Developer of solar and wind energy projects |
$43.2M | — | Public | Post IPO Sep 2024 | — | 2014 | ↑ Active |
| 10 |
Anaergia
Provider of organic waste into renewable fuel services |
$45.8M | — | Public | Post IPO Jul 2024 | 91 | 1982 | ↑ Active |
| 11 |
Enerev5
Explorer and developer of nickel and copper mines. It focuses on ethically-sourced minerals for electric vehicle and energy storage markets. The company explores options for supplying minerals for carbon capture and sequestration, and carbon credit initiatives. Its management team comprises experienced professionals in finance, mining, and exploration. A key advisor provides extensive expertise in nickel-copper and platinum group element deposit exploration. |
$95.1K | — | Public | Post IPO Mar 2026 | — | 1980 | ↑ Active |
| 12 |
Ontario Power Generation
Provider of nuclear and hydro power generation services |
$891.1M | — | Funding Raised | Conventional Debt Feb 2021 | 6,956 | 1999 | — |
| 13 |
Hybrid Power Solutions
Company that develops and manufactures portable lithium-ion battery systems for clean energy solutions, offering a range of products for power backup, off-grid energy, and portable power applications |
$1.6M | — | Public | Grant (prize money) Mar 2025 | 23 | 2015 | ↑ Active |
| 14 |
Green Shift Commodities
Developer of nuclear energy projects |
$4.7M | — | Public | Post IPO Jun 2024 | 11 | 2005 | ↑ Active |
| 15 |
Just Energy
Retail provider of electricity and natural gas commodities |
$425.7M | — | Acquired | Post IPO Aug 2020 | 1,824 | 2009 | — |
| 16 |
Shoal Point Energy
Operator of urban bistros and bakeries offering breakfast, brunch, and lunch |
$8.1M | — | Public | Post IPO Apr 2024 | 3 | 2006 | — |
| 17 |
Algonquin Power
Provider of regulated utility services and renewable energy generation |
$310M | — | Public | Post IPO Jul 2020 | 41 | 1997 | — |
| 18 |
Heliene
Manufacturer of solar modules |
$20M | — | Series A | Series A Sep 2023 | 79 | 2010 | — |
| 19 |
Northland Power
Provider of solar energy power producer |
$157.5M | — | Public | Post IPO Apr 2021 | 1,339 | 1987 | — |
| 20 |
Potentia Renewables
Developer and operator of wind farms and solar parks |
$201.7M | — | Funding Raised | Conventional Debt Feb 2020 | 86 | 2011 | — |
| 21 |
Nexus Renewables
Developer of solar and wind energy projects |
$18.3M | — | Acquired | Conventional Debt Jun 2023 | 2 | 2020 | — |
| 22 |
4Refuel
Provider of onsite refueling services |
$260M | — | Acquired | Series A Jul 2010 | 600 | 1995 | — |
| 23 |
Lithium Royalty Corp
Provider of battery services |
$70.7M | — | Public | PE Jan 2021 | 4 | 2016 | — |
| 24 |
Latitude Uranium
Company engaged in the exploration and development of district-scale uranium projects |
$4.4M | — | Acquired | Post IPO Nov 2023 | — | 2023 | — |
| 25 |
BIOX Corp
Biodiesel manufacturer |
$70M | — | Acquired | Venture Debt Nov 2007 | 50 | 2000 | — |
| 26 |
OYA Renewables
Provider of solar energy services |
$35M | — | Funding Raised | Conventional Debt Sep 2020 | 70 | 2009 | — |
| 27 |
Enecsys Limited
Manufactures electronic components |
$55.3M | — | Series B | Series B May 2011 | 51 | 2003 | — |
| 28 |
Iogen
Iogen Corporation specializes in carbon-negative fuel production technology that converts agricultural waste into clean fuels for a Net Zero world. |
$62M | — | Late Stage | PE 2007 | 1 | 1974 | — |
| 29 |
Nickel 28
Provider of nickel and cobalt energy storage services |
$3.4M | — | Late Stage | Post IPO May 2023 | 4 | 2019 | — |
| 30 |
Decklar Resources
Provider of oil & gas exploration and production services |
$11.5M | — | Public | Post IPO May 2021 | 406 | 2004 | — |
| 31 |
JCM Power
Independent renewable energy power producer |
$15.1M | — | Series B | Series B Dec 2019 | — | 2009 | — |
| 32 |
Imtex Membranes
Membrane-based technology solution provider for separation of gas |
$10M | — | Series A | Series A May 2020 | 22 | 2007 | — |
| 33 |
NRStor
Energy storage project developer |
$11M | — | Series A | Grant (prize money) Dec 2017 | 16 | 2012 | — |
| 34 |
Pure Energies
Solar avisor and rooftop solar installer |
$11M | — | Acquired | Venture Debt Jun 2013 | 200 | 2009 | — |
| 35 |
MAPS Power
Provider of renewable energy services |
$2.2M | — | Funding Raised | Grant (prize money) Jun 2022 | 8 | 2015 | — |
| 36 |
Adira Energy
Exploration and development of oil and gas properties in onshore and offshore Israel |
$11M | — | Deadpooled | Post IPO Aug 2012 | — | 2009 | — |
| 37 |
Electryon Power
Provider of solar & wind energy research services |
$3.1M | — | Seed | Seed Dec 2021 | — | 2021 | — |
| 38 |
Enerdynamic Hybrid Technologies
Offers solar solutions |
$3.3M | — | Deadpooled | Post IPO Aug 2020 | 20 | 2012 | — |
| 39 |
Enerworks
Solar thermal energy technology developer |
$8.8M | — | Acquired | Series A Feb 2009 | — | 1998 | — |
| 40 |
JHI Associates
Deepwater oil and gas exploration company focused on frontier exploration |
$2.4M | — | Acquired | Series A Jun 2021 | 8 | 2014 | — |
| 41 |
Greenfield
Bioethanol and co product manufacturer |
$7.5M | — | Acquired | Grant (prize money) Mar 2011 | 454 | 1989 | — |
| 42 |
Rift Energy
Oil & gas exploration and development company |
$7.6M | — | Late Stage | PE 2012 | 2 | 2011 | — |
| 43 |
Laconic
Developer of wind energy projects |
$1.4M | — | Deadpooled | Seed Feb 2022 | — | 2020 | — |
| 44 |
Tribute Resources
Offers construction and development services for cleantech projects |
$2.7M | — | Deadpooled | Post IPO Apr 2017 | — | 1997 | — |
| 45 |
Quantec Geoscience
Provider of advanced geophysical subsurface imaging services for resource exploration |
$3M | — | Series A | Series A Dec 2006 | 100 | 1986 | — |
| 46 |
Uranium One
Producer of uranium |
$2.6M | — | Seed | Seed Mar 2010 | 216 | 2005 | — |
| 47 |
Excel Energy
Developer of geothermal energy projects and products |
$2.2M | — | Acquired | Nov 2006 | 20 | 2000 | — |
| 48 |
AOC
Oil production company |
$498.1K | — | Public | Post IPO Dec 2017 | — | 2013 | — |
| 49 |
Waterotor Technologies
Provider of Spanish-language radio programming and advertising solutions |
$100K | — | Seed | Seed May 2022 | 6 | 2011 | — |
| 50 |
Energy Telecom
Provider of consulting services to invest in oil & gas,electricity, and power sector |
$117.3K | — | Seed | Seed Apr 2011 | 31 | 2001 | — |
Canadian Solar is a leading global solar technology and renewable energy company, founded in 2001 in Canada. The company is a manufacturer of solar modules and a provider of solar energy solutions, with a mission to foster sustainable development. With a focus on innovation and efficiency, Canadian Solar has established itself as a prominent player in the solar industry, offering a range of products and services to c
Provider of offshore oil and gas exploration and production services
Manufacturer of solar PV modules. It is the design and development of ultra-high-efficiency, premium-quality solar panels for generating electricity on the residential and commercial scale.
Bruce Power is a nuclear power generator. The company generates almost 30 percent of Ontarios power. They have 8 active power units in operation with a total installed capacity of 6,384 MW and an annual generation capacity of 47,630 GWh of power.
Provider of installation services for multiple electrical equipment
Junior mining company focused on gold and lithium exploration and development. It acquires strategic land positions and conducts exploration programs to advance its gold and lithium projects. The company aims to deliver returns to shareholders by concentrating on properties with high potential for gold and lithium deposits. Its exploration efforts are primarily focused on advancing its gold and lithium projects. A se
Provider of environmental services
Provider of organic waste, energy, and water recycling services
Developer of solar and wind energy projects
Provider of organic waste into renewable fuel services
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Provider of nuclear and hydro power generation services
Sustainable Development Technology Canada
Accelerator Centre
MaRS Discovery District
Ontario Centre of Innovation
BDC
ARC Financial
Berq Capital
Bioindustrial Innovation Canada
Birch Hill Equity Partners
Goldman Sachs
Government of Canada
Monteco
Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-18.
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