Best Energy Efficiency Tech Companies in Ontario, Canada
The 111 best Energy Efficiency Tech companies in Ontario, Canada in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Amp.
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Efficiency 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 | 53 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 | Hydro Ottawa Provider of billing and energy monitoring services 72Funding top 20%Tech top 31%Growth top 35%Market top 37% All 7 signals ▾Fundingtop 20% Techtop 31% Growthtop 35% Markettop 37% Producttop 50% Globalbottom 25% Newsbottom 22% Funding: Raised $235M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Tech: 43 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses rank vs industry peers · Fliar Intelligence Index 72/100 | $235M | 16 mo ago | 680 | — | DrupalApple iCloud MailGoogle Workspace+24 | Top 1M | — | 1 job opening |
| 3 | ecobee Manufacturer of smart thermostats, sensors, cameras, and security system bundles 78AI top 15%Customers top 19%Tech top 23%Patents top 33% All 13 signals ▾AItop 15% Customerstop 19% Techtop 23% Patentstop 33% Fundingtop 34% Producttop 36% Markettop 37% Moattop 38% Talenttop 38% Innovationtop 42% Growthbottom 48% Globalbottom 42% Newsbottom 24% AI: Holds AI/ML patents (G06N-family CPC) Customers: Play-Store rating 4.30★ across 39,875 ratings (2 apps) · Review volume +45% in 6 mo rank vs industry peers · Fliar Intelligence Index 78/100 | $155M | 96 mo ago | 520 | Oksana Lvova Ceo | Amazon WebstoreContentfulApple iCloud Mail+37 | Top 500k | 82 patents Residential smart energy management and integrated home automation (thermostats, lighting, cameras). | — |
| 4 | Otilu Mionics Developer of advanced materials for electronics, displays, and quantum computing | $55M | 43 mo ago | 54 | Michael Helander President & CEO | WordPressApple iCloud MailGoogle Workspace+12 | Top 10M | — | — |
| 5 | Encycle Provider of wireless energy management solutions 24Funding top 35%Moat top 37%Product top 40%Patents top 49% All 10 signals ▾Fundingtop 35% Moattop 37% Producttop 40% Patentstop 49% Talentbottom 49% Innovationbottom 43% Globalbottom 43% Marketbottom 37% Techbottom 25% Newsbottom 22% Funding: Raised $45.7M across 8 rounds · 8 rounds over 15 yrs (0.5/yr) Moat: Editorial + unicorn rating 7/10 · IP moat: 18 patents rank vs industry peers · Fliar Intelligence Index 24/100 | $46M | 61 mo ago | 30 | Robert Chiste Chairman and CEO | — | — | 18 patents Intelligent HVAC control and fault detection via smart thermostat orchestration | 2 job openings |
| 6 | Parity Platform for reducing energy consumption 48Product top 30%Funding top 32%Innovation top 34%Talent top 38% All 9 signals ▾Producttop 30% Fundingtop 32% Innovationtop 34% Talenttop 38% Moattop 39% Techbottom 45% Marketbottom 36% Globalbottom 36% Newsbottom 21% Product: 6 distinct product lines · Company stage: Series B Funding: Raised $35.7M across 6 rounds · 6 rounds over 7 yrs (0.9/yr) rank vs industry peers · Fliar Intelligence Index 48/100 | $36M | 24 mo ago | 23 | Brian MacLeod Co-Founder | — | — | — | 1 expansion |
| 7 | IGNIS Innovation Provider of AMOLED display solutions | $28M | 132 mo ago | 23 | — | — | — | 1,090 patents Advanced AMOLED display calibration, compensation, and pixel circuit technologies | — |
| 8 | VendorPM SaaS-driven vendor bids management software for homeowners 40Funding top 38%Talent top 38%Tech top 45%Product bottom 48% All 7 signals ▾Fundingtop 38% Talenttop 38% Techtop 45% Productbottom 48% Marketbottom 40% Globalbottom 37% Newsbottom 22% Funding: Raised $26.0M across 3 rounds · 3 rounds over 6 yrs (0.5/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 40/100 | $26M | 45 mo ago | 56 | Dylan Sher Co-Founder & COO | WebflowSalesforceIntercom+32 | Top 10M | — | 1 job opening |
| 9 | ThoughtWire Provider of IoT predictive maintenance platform | $22M | 72 mo ago | 64 | Dale Hall Executive VP & Co-Founder | — | — | 32 patents Semantic data integration and sharing platform for enterprise software systems | — |
| 10 | BluWave-ai Developer of artificial intelligence software for optimizing energy grid operations 64Innovation top 21%Patents top 24%Moat top 25%Talent top 25% All 11 signals ▾Innovationtop 21% Patentstop 24% Moattop 25% Talenttop 25% AItop 30% Fundingtop 40% Producttop 40% Globalbottom 40% Marketbottom 38% Techbottom 34% Newsbottom 22% Innovation: 51 patents (top 30% of patent-holders) · 42 filings since 2022 vs 9 in 2017-21 Patents: 51 patents matched (strict assignee match) · 42 filings since 2022 vs 9 in 2017-21 rank vs industry peers · Fliar Intelligence Index 64/100 | $18M | 42 mo ago | 46 | Paul Georges Leroux Co-Founder | jQueryHSTSGoogle Workspace+3 | Top 10M | 51 patents Smart EV charging management and load allocation for power grid optimization | 2 awards |
| 11 | Kontrol Provider of building management solutions for energy efficiency and sustainability 67Funding top 30%Market top 34%Product top 35%Innovation top 44% All 8 signals ▾Fundingtop 30% Markettop 34% Producttop 35% Innovationtop 44% AItop 45% Newstop 46% Growthtop 50% Globalbottom 29% Funding: Raised $17.6M across 8 rounds · 8 rounds over 5 yrs (1.6/yr) Market: 350 employees (top 12% of Real Estate and Construction Tech) rank vs industry peers · Fliar Intelligence Index 67/100 | $18M | 39 mo ago | 350 | — | — | — | — | — |
| 12 | QD Solar Developer pof quantum dot-based photovoltaic cells | $8M | 51 mo ago | 12 | — | — | — | 12 patents Surface‑engineered colloidal quantum dots for high‑efficiency solution‑processed photovoltaics | — |
| 13 | Energate Provider of app-based demand response solutions & energy management software solutions | $7M | 168 mo ago | 26 | — | — | — | 21 patents Intelligent demand‑response load control and adaptive thermostat systems for building energy management | — |
| 14 | Adaptis Provider of AI-powered platform for capital planning and asset decarbonization 32Talent top 38%AI top 45%Tech top 50%Funding bottom 49% All 7 signals ▾Talenttop 38% AItop 45% Techtop 50% Fundingbottom 49% Globalbottom 36% Marketbottom 28% Newsbottom 21% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated AI: Product described with: ai-powered rank vs industry peers · Fliar Intelligence Index 32/100 | $5M | 14 mo ago | 19 | Sheida Shahi Co-Founder & CEO | WixSentryBootstrap+12 | Top 10M | — | — |
| 15 | energyX Solutions Energy audit app for energy service companies | $5M | 70 mo ago | 12 | — | — | — | — | — |
| 16 | Edgecom Energy AI-powered energy management software 27Talent top 38%AI top 45%Funding bottom 49%Tech bottom 37% All 6 signals ▾Talenttop 38% AItop 45% Fundingbottom 49% Techbottom 37% Globalbottom 37% Marketbottom 27% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated AI: Product described with: ai-powered rank vs industry peers · Fliar Intelligence Index 27/100 | $4M | 17 mo ago | 22 | Mostafa Salehi Co-Founder | WordPressMySQLRedis+20 | Top 10M | — | 1 launch |
| 17 | Nanoleaf Energy efficient lightbulbs | $3M | 123 mo ago | 95 | Tom Rodinger Chief Technology Officer and Cofounder | Cart FunctionalityShopifyRoute+33 | Top 500k | — | — |
| 18 | QEA Tech Provider of AI-powered building envelope audits and retrofit recommendations | $2M | 38 mo ago | 22 | Peyvand Melati Founder & CEO | — | — | — | 1 expansion |
| 19 | Polar Sapphire Provider of high purity aluminum oxide powder solutions | $2M | 138 mo ago | 26 | — | — | — | 12 patents Manufacturing high-purity alumina for aluminum smelting and advanced ceramics | — |
| 20 | CRS Electronics IoT-driven LED lighting products for building management solutions | $668K | 181 mo ago | 18 | Travis Jones CEO & President | — | — | 19 patents Advanced LED power regulation, thermal management, and conversion solutions for lighting systems. | — |
| 21 | SensorSuite Cloud-based building energy management solution | $550K | 103 mo ago | 13 | — | — | — | — | — |
| 22 | Cence Power Provider of energy management solutions | $350K | 64 mo ago | — | Will Andrew CEO | WebflowZohoZepto+13 | Top 5M | 9 patents DC power line fault detection and communication systems | 1 award |
| 23 | Energent Provider of energy management solutions | $291K | 44 mo ago | 13 | Chris Reid President & CEO | — | — | 9 patents Software for smart energy hub control and electricity price forecasting | — |
| 24 | CircuitMeter Solutions Electrical metering solution for commercial buildings | $250K | 121 mo ago | 8 | — | — | — | 7 patents Electrical meter isolation interfaces and power network monitoring systems | 2 launchs |
Top 12 Energy Efficiency Tech companies in Ontario
#1
Late Stage · Ottawa, Ontario · founded 2000 · 680 employees$235Mraised▾
Hydro Ottawa is a provider of energy monitoring services and also provides billing with respect to the same for both commercial and residential sectors. Core services also include electricity distribution, renewable energy generation and energy conservation and management. Energy consumption monitoring services are additionally provided with mobile app integration for remote access.
- Jan 2025Unattributed$235M
#2
Seed · Toronto, Ontario · founded 2022 · 19 employees$5.5Mraised▾
Provider of AI-powered platform for capital planning and asset decarbonization. The platform uses predictive analytics and real building data to guide capital planning decisions. It aligns decarbonization goals with financial realities across design, retrofit, and development. The platform offers portfolio-wide insights to uncover risks and opportunities. It provides a step-by-step plan, mapping out when to invest in capital projects.
- Apr 2025Seed$4M
- Jun 2024Seed$5.5M
- Jan 2023Seed$1.5M
- Sep 2022Seed—
#3
Seed · Toronto, Ontario · founded 2016 · 22 employees$3.7Mraised▾
AI-powered energy management software. It provides AI-powered energy management software solutions to large energy consumers, enabling them to reduce energy costs and emissions through predictive analytics and IoT-based monitoring.
- Jan 2025Seed$2.5M
- Dec 2024Seed$1.2M
#4
Series B · Toronto, Ontario · founded 2018 · 23 employees$35.7Mraised▾
Platform for reducing energy consumption. It monitors the consumption of gas and electricity by connecting to the building via the cloud and optimizes the mechanical systems. It provides real-time energy data and allows tracking of monthly savings through energy reports.
- Jun 2024Series B$19M
- Oct 2023Conventional Debt$4M
- Oct 2022Series B$8M
- Dec 2020Series A$5M
#5
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
#6
Series B · Toronto, Ontario · founded 2011 · 54 employees$55Mraised▾
Developer of advanced materials for electronics, displays, and quantum computing. The company focuses on materials for transparent displays, under panel sensors, and under display cameras. It uses computational chemistry, high performance computing, and machine learning for materials design. The company also offers materials synthesis, scale-up, and production testing. It applies its materials to OLED displays and self-assembly patterning. The company provides expertise in OLED materials, application engineering, and process development.
- Oct 2022Series B$55M
- Aug 2020Series A—
- Feb 2015Grant (prize money)$5.7M
#7
Public · Vaughan, Ontario · founded 2006 · 350 employees$17.6Mraised▾
Provider of building management solutions for energy efficiency and sustainability. The company delivers technology and integrated solutions designed to enhance building performance. Through analytics and building solutions, organizations can achieve reductions in energy consumption and greenhouse gas emissions. The company's BuildX AI platform integrates with existing HVAC systems, leveraging sensors and machine learning. This provides real-time insights, predictive maintenance, and streamlined operations.
- Feb 2023Post IPO—
- Jul 2022Grant (prize money)—
- May 2021Post IPO—
- May 2019Post IPO$2.6M
#8
Series A · Ottawa, Ontario · founded 2017 · 46 employees$17.8Mraised▾
Developer of artificial intelligence software for optimizing energy grid operations. The company provides solutions for smart grid optimization, data center energy management, and electric vehicle fleet orchestration. Its products support grid operators, utilities, and enterprises in managing energy storage and renewable energy resources. The company's technology also caters to off-grid microgrids and electric vehicle infrastructure.
- Dec 2022Series A$9.5M
- Nov 2022Conventional Debt$1.7M
- Apr 2022Series A$4.5M
- Mar 2020Seed$212.7K
#9
Series A · Toronto, Ontario · founded 2019 · 56 employees$26Mraised▾
SaaS-driven vendor bids management software for homeowners. Features include vendor quote requesting, vendor lead generation, vendor searching, vendor reviewing, and insight generation. Users can procure & manage services & contracts through the platform.
- Aug 2022Series A$20M
- Feb 2022Seed$6M
- Apr 2020Seed$30K
#10
Acquired · Toronto, Ontario · founded 2007 · 520 employees$155Mraised▾
Manufacturer of smart thermostats, sensors, cameras, and security system bundles. The company provides smart thermostats with accessories, air filter subscriptions, and power extender kits. It offers smart sensors for rooms, doors, and windows. The company also manufactures wired smart doorbell cameras and smart cameras with voice control. In addition, the business provides home security bundles and smart security subscriptions.
- May 2018Series C$36.3M
- Mar 2018Series C$61M
- Dec 2016Series C$267K
- Aug 2016Series C$35M
#11
Series C · Toronto, Ontario · founded 2005 · 30 employees$45.7Mraised▾
Provider of wireless energy management solutions. It offers enviro grid swarm logic controllers that are attached to electrical loads like air conditioning, heaters, compressors, pumps, humidifiers, dehumidifiers, to communicate and coordinate with each other and to reduce electrical demand for commercial, industrial, institutional, and multi-unit residential facilities.
- May 2021Series C$7.5M
- Dec 2020Series C$2.2M
- Oct 2018Series C$4.9M
- Dec 2016Series C$11.5M
#12
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
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Efficiency in Ontario is moving
A read on the academic research around Energy Efficiency in Ontario — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 45 papers.
Ontario's University of Ontario Institute of Technology leads optimistic smart grid and microgrid energy-efficiency research (mean stance 0.44), with breakthroughs and advancements dominating over concerns.
- University of Ontario Institute of Technology31
- Ontario Tech University14
- Renewable energy2
- Heat pump2
- Heat exchanger2
- Thermal energy storage2
- Nuclear engineering2
- Energy management2→3
- Thermal comfort1
- ASHRAE 90.11
- Passive cooling1
- Thermal mass1
- Building envelope1