Best Renewable Energy Tech Companies in Ontario, Canada
The 37 best Renewable Energy Tech companies in Ontario, Canada in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Amp.
Ranked: Best Renewable Energy Tech companies in Ontario
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Amp Developer of renewable energy assets, battery storage, and digital energy platforms 55Product top 26%Funding top 29%Growth top 30%Talent top 35% All 12 signals ▾Producttop 26% Fundingtop 29% Growthtop 30% Talenttop 35% Moattop 37% AItop 45% Globalbottom 47% Marketbottom 42% Techbottom 40% Innovationbottom 39% Patentsbottom 35% Newsbottom 27% Product: 11 distinct product lines · Company stage: Acquired Funding: Raised $528M across 4 rounds · 4 rounds over 8 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $528M | 55 mo ago | 41 | David Rogers Founder & CEO | HubSpot CMS HubBootstrapIsotope+17 | Top 5M | 8 patents Coordinated multi-device streaming and playback synchronization for digital audio/video content | — |
| 2 | Hydrostor Developer of advanced compressed air energy storage for grid applications 76Funding top 18%Product top 21%Talent top 23%Innovation top 26% All 11 signals ▾Fundingtop 18% Producttop 21% Talenttop 23% Innovationtop 26% Patentstop 26% Moattop 26% Growthtop 28% Techtop 40% Newstop 42% Marketbottom 44% Globalbottom 40% Funding: Raised $295M across 10 rounds · 10 rounds over 10 yrs (1.0/yr) Product: 4 distinct product lines · Company stage: Series D rank vs industry peers · Fliar Intelligence Index 76/100 | $295M | 19 mo ago | 60 | Cameron Lewis Co-Founder | WordPressApple iCloud MailMicrosoft 365+27 | Top 10M | 123 patents Hydrostatically compensated compressed air energy storage systems and related infrastructure | 1 award |
| 3 | Pond Technologies Provider of algal biomass solutions | $149M | 41 mo ago | 20 | — | WordPressMySQLPHP+29 | Top 10M | — | — |
| 4 | Morgan Solar Provider of solar design simulation software solutions | $46M | 104 mo ago | 34 | Mike Andrade CEO | Cart FunctionalitySquarespace CommerceSquarespace+24 | Top 50M | 187 patents Building-integrated photovoltaics with smart shading, performance monitoring, and wireless power transfer. | — |
| 5 | FORGE Hydrocarbons Developer of LTH technology to produce petroleum-based hydrocarbons | $27M | 79 mo ago | 6 | Tim Haig Founder & CEO | — | — | 20 patents Converting fatty acids and organic feedstocks into low‑acid hydrocarbon fuels | — |
| 6 | Solantro Provider of chipsets for power conversion applications | $26M | 137 mo ago | 30 | Tudor Lipan Co-Founder | — | — | — | — |
| 7 | Orecon Wave absorber technology developer | $24M | 222 mo ago | — | David Crisp Founder & CEO | — | — | — | — |
| 8 | Woodland Biofuels Developer of technology converting biomass waste into carbon negative renewable fuels | $13M | 158 mo ago | 6 | Greg Nuttall CEO | — | — | 25 patents Converting lignocellulosic biomass to ethanol using syngas fermentation processes. | — |
| 9 | QD Solar Developer pof quantum dot-based photovoltaic cells | $8M | 53 mo ago | 12 | — | — | — | 12 patents Surface‑engineered colloidal quantum‑dot inks for high‑efficiency photovoltaic devices | — |
| 10 | Hydrogen Optimized Provider of electrolysis-based hydrogen generation systems | $5M | 61 mo ago | — | Edward Stuart Vice President Development | Wix eCommerceWixSentry+20 | Top 50M | — | — |
| 11 | Clear Blue Technologies Developer of smart off-grid controllers 50Tech top 32%Funding top 34%Talent top 35%Moat top 38% All 11 signals ▾Techtop 32% Fundingtop 34% Talenttop 35% Moattop 38% Partnerstop 40% Newstop 42% Marketbottom 47% Growthbottom 47% Innovationbottom 45% Globalbottom 45% Patentsbottom 44% Tech: 35 technologies across 5/8 capability areas · Cloud: Cloudflare Funding: Raised $3.9M across 16 rounds · 16 rounds over 12 yrs (1.3/yr) rank vs industry peers · Fliar Intelligence Index 50/100 | $4M | 20 mo ago | 50 | John Tuerk Co-Founder & Chief Power Officer | LocomotiveCMSRubyMongoDB+18 | Top 50M | 22 patents Autonomous solar-powered lighting and charging systems for remote devices | — |
Top 12 Renewable Energy Tech companies in Ontario
#1
Series D · Toronto, Ontario · founded 2010 · 60 employees$295Mraised▾
Developer of advanced compressed air energy storage for grid applications. The company provides long-duration energy storage solutions, leveraging compressed air stored in underground caverns. When power is needed, the process is reversed to dispatch energy. The technology offers a reliable and cost-effective alternative for large-scale energy storage. The company’s systems are designed to match grid requirements and provide essential grid services.
- Feb 2025Series D$150M
- Feb 2025Conventional Debt$50M
- Oct 2024Series D$20M
- Dec 2023Series D$40M
#2
Public · Toronto, Ontario · founded 2011 · 50 employees$3.9Mraised▾
Developer of smart off-grid controllers. It offers smart off-grid controllers which harvest energy from solar panels and a wind turbine, communications, and cloud software to power off-grid streetlights, security systems and offers other related services. Products include solar controllers, hybrid controllers, telecom power packs, nano-grid power packs, and others.
- Jan 2025Post IPO$1.1M
- Sep 2024Convertible Debt$1.8M
- Jan 2023Post IPO$1.9M
- Sep 2022Grant (prize money)$5M
#3
Public · Markham, Ontario · founded 2008 · 20 employees$148.6Mraised▾
Provider of algal biomass solutions. It converts raw smokestack emissions from heavy industry into algal biomass and utilizes the microalgae to convert the CO2 emissions of industrial emitters into biofuel.
- Mar 2023Post IPO$421.8K
- Nov 2022Post IPO$450K
- Sep 2022Post IPO$301K
- Mar 2022Post IPO$1.1M
#4
Acquired · Mississauga, Ontario · founded 2009 · 41 employees$528.1Mraised▾
Developer of renewable energy assets, battery storage, and digital energy platforms. The company delivers renewable energy and flexibility-as-a-service. It focuses on solar, wind, green hydrogen, ammonia, and utility-scale storage. The company provides an artificial intelligence-enabled digital energy platform. It offers smart transformers, virtual power plants, and dynamic load shaping.
- Jan 2022Conventional Debt$350M
- Nov 2021Conventional Debt$67.8M
- Jan 2021PE$374M
- Oct 2018PE$154.1M
#5
Seed · Ottawa, Ontario · founded 2022 · 5 employees$20Kraised▾
Online platform offering grid management solutions. It provides building an operating system for end-to-end utility-scale solar asset management. It provides sustainable energy software solution that specializes in software modeling engines.
- Oct 2025Seed$4.1M
- Jan 2024Seed—
- 2023Seed$20K
- Mar 2023Seed—
#6
Series C · Toronto, Ontario · founded 2007 · 34 employees$45.9Mraised▾
Provider of solar design simulation software solutions. The product offerings include 'Sun Studio' - a software solution that allows users to analyze and compare the performance of different light management technologies, 'SimbaX' - it concentrates light to reduce silicon cells, and 'SPOTlight' - it is a translucent photovoltaic sun-shading technology for buildings. Additionally, it provides a 'Sun Stream window' and the 'Sun Block panel' designed for building applications.
- Dec 2017Grant (prize money)—
- Jul 2016Series C$10M
- Nov 2011Series B$9.8M
- May 2011Series B$16.5M
#7
Acquired · Toronto, Ontario · founded 2014 · 12 employees$7.8Mraised▾
Developer of quantum dot-based photovoltaic cells. It provides users with a company that manufactures photovoltaic cells using colloidal quantum dot technology. Its thin-film sheet integrated into conventional silicon solar panels has the potential to increase the energy output of solar panels.
- Mar 2022Series A$100K
- Feb 2021Grant (prize money)$5.3M
- Feb 2017Series A$7.7M
- Mar 2016Grant (prize money)$2.5M
#8
Series B · Oakville, Ontario · founded 2012 · 6 employees$26.6Mraised▾
FORGE Hydrocarbons offers a Lipid-to-Hydrocarbon technology that produces drop-in fuels. It converts waste fats and used oils into renewable hydrocarbons, without a catalyst. The LTH technology uses pressure and temperature to produce true hydrocarbon fuels, solvents, and chemicals.
- Feb 2020Series B$22.6M
- Dec 2018Series A$4M
- Mar 2016Grant (prize money)$4.2M
#9
Acquired · Ottawa, Ontario · founded 2009 · 30 employees$26Mraised▾
Provider of chipsets for power conversion applications. It develops customized chipsets, firmware and development platforms for power conversion applications. Its product portfolio includes analogue power manager, digital power processor, and maximize DC controller chipsets. It caters to renewable and distributed energy networks to provide higher energy yields.
- Apr 2015Series B$11M
- Dec 2013Conventional Debt$4M
- Sep 2013Grant (prize money)$3.8M
- Dec 2012Series A$10M
#10
Deadpooled · Cornwall, Ontario · founded 2002$24Mraised▾
Orecon develops wave energy devices to harness energy from ocean waves. Orecon’s floating multiple resonant cavity (MRC) device incorporates multiple chambers, each tuned by virtue of its internal dimensions to a particular range of wave frequencies. The steel-built multiple resonant cavity system measuring 45 m x 31 m will generate up to 1.5 MW.
- Mar 2008Series A$24M
#11
Funding Raised · Owen Sound, Ontario · founded 2017$5.1Mraised▾
Provider of electrolysis-based hydrogen generation systems. It designs and develops green hydrogen technologies. It provides water electrolyzers with green hydrogen systems to convert renewable electricity such as solar and wind power into green hydrogen.
- Aug 2021Grant (prize money)$300K
- May 2021Grant (prize money)$4.8M
#12
Series A · Toronto, Ontario · founded 2000 · 6 employees$13.2Mraised▾
Developer of technology converting biomass waste into carbon negative renewable fuels. The technology employs gasification and catalytic reactions to produce hydrogen, renewable natural gas, methanol, or ethanol. The process uses biomass waste as feedstock in an integrated end-to-end operation.
- Jun 2013Conventional Debt$800K
- Jan 2011Series A$12M
- Apr 2008Seed$1.2M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Renewable Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Green Hydrogen in Ontario is moving
A read on the academic research around Green Hydrogen in Ontario — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 135 papers.
- Ontario Tech University67
- University of Ontario Institute of Technology67
- Ontario Power Generation1
- Hydrogen production30
- Production (economics)16
- Process engineering14
- Waste management8
- Renewable energy5
- Production (economics)2→20
- Hydrogen production20→36
- Waste management1→10
- Process engineering5→12
- Renewable energy3→10
- Hydrogen production1→8
- Production (economics)1→5
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.