Best Solar Energy Companies in Ontario, Canada
The 100 best Solar Energy companies in Ontario, Canada in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Canadian Solar.
Our analysis of 100 Solar Energy companies
$30.5b in tracked funding; 83% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Solar Energy companies in Ontario
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Canadian Solar Manufacturer of solar technology and renewable energy solutions, with a global presence and a focus on… 69Market top 22%Funding top 22%Growth top 40%Tech top 44% All 8 signals ▾Markettop 22% Fundingtop 22% Growthtop 40% Techtop 44% Newstop 47% Patentstop 50% Globalbottom 42% Innovationbottom 26% Market: 18,423 employees (top 2% of Energy) · Top-1,000,000 web property Funding: Raised $230M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 69/100 | $230M | 5 mo ago | Public | — | 2001 | DrupalApple iCloud MailMicrosoft 365+20 | 2 launchs · 1 award |
| 2 | Silfab Solar Manufacturer of solar PV modules 57Funding top 30%Moat top 31%Talent top 37%Patents top 39% All 11 signals ▾Fundingtop 30% Moattop 31% Talenttop 37% Patentstop 39% Techtop 40% Producttop 41% Innovationtop 43% Markettop 46% Growthbottom 47% Globalbottom 36% Newsbottom 35% Funding: Raised $225M across 5 rounds · 5 rounds over 5 yrs (1.0/yr) Moat: Editorial + unicorn rating 8/10 · IP moat: 14 patents rank vs industry peers · Fliar Intelligence Index 57/100 | $225M | 13 mo ago | Series D | Franco Traverso Co-Founder | 2010 | WordPress Block EditorWordPressApple iCloud Mail+29 | — |
| 3 | Potentia Renewables Developer and operator of wind farms and solar parks | $202M | 76 mo ago | Funding Raised | Jeff Jenner CEO | 2011 | WordPress Block EditorWordPressMySQL+18 | 1 award |
| 4 | Northland Power Provider of solar energy power producer | $158M | 62 mo ago | Public | James Temerty Founder | 1987 | Google MapsMediaElement.jsBootstrap+21 | — |
| 5 | Enecsys Limited Manufactures electronic components | $55M | 181 mo ago | Series B | — | 2003 | — | — |
| 6 | Jade Power Developer of solar and wind energy projects 72Growth top 15%News top 37%Funding top 39%Talent bottom 49% All 5 signals ▾Growthtop 15% Newstop 37% Fundingtop 39% Talentbottom 49% Globalbottom 25% Growth: Fresh capital in last 24 mo News: 5 BI events in 12 mo (of 10 tracked, 5 types) · +150% YoY rank vs industry peers · Fliar Intelligence Index 72/100 | $43M | 20 mo ago | Public | Shalya Williams CEO | 2014 | — | — |
| 7 | OYA Renewables Provider of solar energy services | $35M | 68 mo ago | Funding Raised | — | 2009 | WordPressMySQLPHP+26 | — |
| 8 | Heliene Manufacturer of solar modules 40Partners top 32%Funding top 37%Talent top 41%Tech top 44% All 9 signals ▾Partnerstop 32% Fundingtop 37% Talenttop 41% Techtop 44% Moattop 48% Marketbottom 47% Globalbottom 36% Growthbottom 35% Newsbottom 24% Partners: 0 partnership announcements in 12 mo (4 in 24 mo) Funding: Raised $20.0M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 40/100 | $20M | 33 mo ago | Series A | Martin Pochtaruk CEO & President | 2010 | WordPressMySQLPHP+25 | 5 job openings |
| 9 | Nexus Renewables Developer of solar and wind energy projects | $18M | 36 mo ago | Acquired | — | 2020 | — | — |
| 10 | JCM Power Independent renewable energy power producer | $15M | 78 mo ago | Series B | Martin Ritchie Co-Founder | 2009 | BreakdanceWordPressMySQL+18 | — |
| 11 | Enerworks Solar thermal energy technology developer | $9M | 208 mo ago | Acquired | — | 1998 | — | — |
| 12 | Enerdynamic Hybrid Technologies Offers solar solutions | $3M | 69 mo ago | Deadpooled | — | 2012 | — | — |
| 13 | Tribute Resources Offers construction and development services for cleantech projects | $3M | 110 mo ago | Deadpooled | Jane Lowrie CEO & President | 1997 | — | — |
Top 12 Solar Energy companies in Ontario
#1
Public · Guelph, Ontario · founded 2001 · 18423 employees$230Mraised▾
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 customers worldwide.
- Jan 2026Post IPO$230M
#2
Series D · Mississauga, Ontario · founded 2010 · 650 employees$225Mraised▾
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.
- May 2025Grant (prize money)$3M
- May 2025Grant (prize money)$719.9K
- Apr 2025Grant (prize money)$400K
- Mar 2023Series D$125M
#3
Public · Toronto, Ontario · founded 2014$43.2Mraised▾
Developer of solar and wind energy projects
- Sep 2024Post IPO—
- Jan 2018Post IPO$43.2M
#4
Public · Toronto, Ontario · founded 1980$95.1Kraised▾
{}
- Mar 2026Post IPO$95.1K
- Dec 2022Post IPO—
#5
Series A · Sault Ste. Marie, Ontario · founded 2010 · 79 employees$20Mraised▾
Heliene is a manufacturer of solar PV modules and provides solar panels for utility-scale projects. Projects include 20k 254W panels for the Malmesbury Solar Park in UK and others. Products include mono and polycrystalline solar panels of different ranges of cells and power capacities.
- Sep 2023Conventional Debt$150M
- Sep 2023Series A$20M
- Jun 2017Grant (prize money)$1.4M
#6
Public · Toronto, Ontario · founded 1987 · 1339 employees$157.5Mraised▾
Provider of solar energy power producer
- Apr 2021Post IPO—
- Jan 2015Post IPO$157.5M
#7
Funding Raised · Toronto, Ontario · founded 2011 · 86 employees$201.7Mraised▾
Potentia Renewables develops, owns and operates renewable energy projects on a large-scale. Developed the Stirling Wind Project of 300MW and a 33MW solar power park in Minnesota. Claims to have 693 operating projects, which generates an aggregate capacity of 119.7MW in Canada alone. Has a 200MW wind power facility in the pipeline.
- Feb 2020Conventional Debt$201.7M
#8
Acquired · Toronto, Ontario · founded 2020 · 2 employees$18.3Mraised▾
Developer of solar and wind energy projects
- Jun 2023Conventional Debt$13.3M
- Sep 2022Conventional Debt$5M
#9
Funding Raised · Toronto, Ontario · founded 2009 · 70 employees$35Mraised▾
Provider of solar energy services
- Sep 2020Conventional Debt$35M
#10
Series B · Cambridge, Ontario · founded 2003 · 51 employees$55.3Mraised▾
Enecsys develops, manufacturers, and markets grid-connected solar micro inverters and monitoring systems that offer value proposition for solar PV systems. The micro inverter accepts DC power from each solar module and converts it to AC power for supply to the electricity grid. The monitoring system tracks, in real-time, the performance of each PV module and transmits the information through a robust built-in wireless communication system that connects to the Internet via a gateway.
- May 2011Series B$41M
- Jun 2009Series A$14.3M
#11
Series B · Toronto, Ontario · founded 2009$15.1Mraised▾
Independent renewable energy power producer. It develops and operates renewable energy projects in America, Africa, and Asia. The project portfolio includes utility-sized renewable energy projects and HVDC transmission projects including a 50MW wind farm in Jhimpir, Pakistan; a 72MW solar PV project in Mbalmayo, Cameroon and a 75 MW solar power plant in Katsina State, Nigeria.
- Dec 2019Series B$20M
- Aug 2018Series B$15M
- Feb 2018Conventional Debt$25M
#12
Deadpooled · Welland, Ontario · founded 2012 · 20 employees$3.3Mraised▾
Enerdynamic Hybrid Technologies offers solar solutions of micro-utility scale and commercial scale serving government and businesses as well as serving domestic and residential clients. Besides this the company also offers installation of residential wind energy generation systems and energy storage systems.
- Aug 2020Post IPO$1M
- May 2019Post IPO$400K
- Apr 2019Post IPO$345K
- Feb 2019Post IPO$450K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Solar Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Ontario researches in solar pv
Ontario's institutions—led by Ontario Tech and Ontario Power Generation—optimistically research hybrid solar-PV and thermal systems with thermodynamic analyses, overwhelmingly publishing breakthrough and advancement findings since 2020.
- Ontario Tech University14
- University of Ontario Institute of Technology10
- Ontario Power Generation3
- Ontario Drive & Gear1
- Professional Engineers Ontario1
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.