Best Energy Efficiency Tech Companies in Australia
The 187 best Energy Efficiency Tech companies in Australia in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Willow.
Among the directories tracking Energy Efficiency Tech companies in Australia, this one cuts straight to disclosed funding: 187 companies, $211M raised in total, zero unicorns. Willow leads by a wide margin at $110M, which is the kind of number that reframes the rest of the list. CIMET sits at $27M. After that, you're looking at Gridsight at $5M, Umps and Bluglass at $4M each, and 1Breadcrumb at $3M. So the capital is concentrated, not distributed. That's worth knowing before you read anything else on this page.
What does the momentum look like underneath the funding tallies? App installs across energy-related categories are growing at roughly 28% year-on-year, a signal that consumer and commercial adoption is accelerating faster than the funding headlines suggest. Hot themes right now include solar electricity generation, EV battery technology, and next-generation EV platforms, and I'd note that active backers like EnergyLab, Artesian, and the Clean Energy Seed Fund are shaping which of those bets actually get capital. The directory you're looking at is ranked by disclosed equity funding and recent momentum, which means it won't tell you who raised the loudest round. It'll tell you who's actually in the game.
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 Australia
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Willow Provider of a SaaS and AI-driven digital twin platform for commercial spaces | $110M | 42 mo ago | 321 | Joshua Ridley Co-Founder | WordPressApple iCloud MailMySQL+24 | Top 10M | 1 partnership · 1 award |
| 2 | CIMET Provider of white-label platform for customer experience management | $27M | 51 mo ago | 80 | Ankit Jain Founder & CEO | Apple iCloud MailMicrosoft 365Node.js+14 | Top 10M | 1 partnership |
| 3 | CIM SaaS & AI-driven building analytics platform for commercial properties | $10M | 45 mo ago | 82 | David Walsh Founder & CEO | WebflowGSAPMicrosoft Clarity+21 | Top 5M | 3 launchs · 2 partnerships |
| 4 | Switch Automation Provider of IoT and SaaS-driven building energy management solutions | $9M | 74 mo ago | 62 | Deb Noller Co-Founder & CEO | — | — | — |
| 5 | Wattwatchers SaaS and IoT-based meter energy consumption monitoring devices | $9M | 56 mo ago | 24 | Gavin Dietz CEO & MD | WordPressMySQLPHP+35 | Top 10M | — |
| 6 | Brisbane Materials Optical coating materials provider for solar panels and LED lights | $7M | 111 mo ago | 10 | — | — | — | — |
| 7 | Urbanise Developer of cloud-based platforms for strata and facility management services | $6M | 124 mo ago | 51 | — | WixSentryMicrosoft ASP.NET+22 | Top 10M | 1 launch · 1 partnership |
| 8 | Aeris Environmental HVAC Optimization systems with patented technology | $6M | 132 mo ago | 21 | — | Cart FunctionalityWooCommerceWordPress+30 | Top 10M | 1 partnership |
| 9 | Gridsight Developer of an AI-driven electrical digital twin for distribution networks 40AI top 30%Talent top 38%Growth top 45%Funding top 49% All 7 signals ▾AItop 30% Talenttop 38% Growthtop 45% Fundingtop 49% Techbottom 42% Globalbottom 37% Marketbottom 26% AI: Classified as an AI company · Product described with: ai-driven Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 40/100 | $5M | 14 mo ago | 17 | Kurt Walkom Co-Founder & Chief Commercial Officer | WebflowApple iCloud MailGoogle Workspace+13 | Top 10M | 1 partnership |
| 10 | Bluglass Manufacturer of custom GaN laser diodes and LEDs | $4M | 28 mo ago | 8 | Jim Haden CEO | WordPressMySQLPHP+8 | Top 10M | — |
| 11 | Umps Provider of smart plugs to monitor elders at home 37Tech top 33%Growth top 35%Talent bottom 49%Product bottom 48% All 7 signals ▾Techtop 33% Growthtop 35% Talentbottom 49% Productbottom 48% Fundingbottom 41% Marketbottom 30% Globalbottom 29% Tech: 38 technologies across 4/8 capability areas · Cloud: Amazon Ses, Amazon Web Services Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 37/100 | $4M | 18 mo ago | 22 | Adam Jahnke CEO | Webflow EcommerceCart FunctionalityWebflow+26 | Top 10M | — |
| 12 | Lleaf Provider of light diffusers for indoor farms and greenhouses 6Funding bottom 46%Global bottom 38%Market bottom 20% All 3 signals ▾Fundingbottom 46% Globalbottom 38% Marketbottom 20% Funding: Raised $3.5M across 1 rounds · 1 rounds over 4 yrs (0.2/yr) Global: Investors from 3 countries beyond Australia rank vs industry peers · Fliar Intelligence Index 6/100 | $4M | 45 mo ago | 5 | — | — | — | — |
| 13 | Enevaro Global technology company specializing in smart energy management systems and IoT solutions. | $3M | 58 mo ago | — | Leonie Ladgrove Co-Founder | — | — | — |
| 14 | 1Breadcrumb Provider of construction safety and productivity software for jobsite management | $3M | 23 mo ago | 11 | — | WordPressApple iCloud MailGoogle Workspace+36 | Top 5M | 1 partnership |
| 15 | DR2 Solutions Customer engagement and marketing software for utilities | $1M | 156 mo ago | 11 | Malcolm Smith CEO | — | — | — |
| 16 | Skand Provider of 3D data storage and visualization platform with annotation tools | $1M | 60 mo ago | — | Yossi Kahlon CEO | Cart FunctionalitySquarespace CommerceSquarespace+24 | Top 50M | 1 partnership |
| 17 | Objective Enterprise content management and data governance solution | $647K | 137 mo ago | 347 | — | Craft CMSSentryApple iCloud Mail+28 | Top 5M | — |
| 18 | Wattblock Software based Energy Conservation | $555K | 129 mo ago | 8 | Brent Clark Founder | — | — | — |
| 19 | QuickSafety SaaS-based mobile app for electricians to complete certificate of compliance | $400K | 97 mo ago | 1 | Kurt Alexander Founder / CEO | — | — | — |
Top 12 Energy Efficiency Tech companies in Australia
#1
Series A · Wollongong, New South Wales · founded 2020 · 17 employees$4.5Mraised▾
Developer of an AI-driven electrical digital twin for distribution networks. It provides a foundational grid model and decision layer for modern networks. The company offers solutions for flexible interconnection and energization. It also provides automated screening of interconnection queues and dynamic day-ahead curtailment quantification.
- Apr 2025Series A$4.5M
- 2021Seed—
#2
Series A · Melbourne, Victoria · founded 2016 · 22 employees$4Mraised▾
Provider of smart plugs to monitor elders at home. It enables monitoring of daily activities of elders using the data of appliances like kettle, TV, refrigerator, bedside lamp, and microwave that are plugged into it. It notifies caretakers on the detection of any deviation. It also caters to old-age homes and healthcare and provides activities summary of every individual on a daily basis. Its app is available on Android and iOS platforms.
- Dec 2024Series A$4M
- Jul 2021Seed—
#3
Seed · Melbourne, Victoria · founded 2020 · 11 employees$2.7Mraised▾
Provider of construction safety and productivity software for jobsite management. The software offers features such as attendance tracking, digital worker onboarding, and license verification. It provides tools for managing permits, safety data sheets, and plant inductions. The platform integrates with project management systems, offering site analytics and communication features.
- Jun 2024Seed$2.7M
#4
Series A · Sydney, New South Wales · founded 2017 · 321 employees$109.7Mraised▾
Provider of a SaaS and AI-driven digital twin platform for commercial spaces. It offers services such as project designing, 3D model creation, digital engineering, maintenance manuals with sensor IoT data, creating smart building features, and more. The solution enables users to perform predictive maintenance, track maintenance requests, get access to energy consumption data, analyze it, and more. It also offers community management solutions such as booking common facilities, inventory management, sending notifications, tracking & responding to tenant requests, and emergency management, among others.
- Dec 2022Angel$28.8M
- Sep 2021Series A$43M
- 2019Series A$37.9M
#5
Public · Silverwater, New South Wales · founded 2005 · 8 employees$4.3Mraised▾
Manufacturer of custom GaN laser diodes and LEDs. It provides end-to-end design, fabrication, and packaging services. The company utilizes a proprietary low-temperature growth process for higher efficiency and performance. Its products serve the industrial, defense, display, and scientific markets. It offers both small-batch custom solutions and high-volume production capabilities.
- Feb 2024Post IPO$4.3M
#6
Series B · Sydney, New South Wales · founded 2016 · 80 employees$26.6Mraised▾
Provider of white-label platform for customer experience management. The platform provides a real-time dashboard for automated marketing, concierge assistance, and enables customizing websites. It also provides an end-to-end digital comparison platform using an automated system to reduce conversion times and offers personalized rewards and loyalty.
- Mar 2022Series B$26.6M
#7
Series A · Sydney, New South Wales · founded 2015 · 82 employees$9.7Mraised▾
SaaS & AI-driven building analytics platform for commercial properties. The platform provides users with machine learning and building intelligence technology for analyzing the performance of buildings. Solutions are provided for industries including commercial, retail, manufacturing, and more. Features include operation management, tenant management, portfolio management, asset management, energy management, maintenance management, and more.
- Sep 2022Series A$6.7M
- Mar 2017Series A$3M
#8
Series B · Sydney, New South Wales · founded 2007 · 24 employees$9.3Mraised▾
SaaS and IoT-based meter energy consumption monitoring devices. Enables real-time monitoring and control of electrical circuits over the internet. It can be used for residential, commercial and industrial, and utility applications.
- Sep 2021Series B$5.3M
- Dec 2019Grant (prize money)$2.7M
- Aug 2017Series A$2M
- Apr 2017Series A$2M
#9
Seed · Sydney, New South Wales · founded 2016 · 5 employees$3.5Mraised▾
Provider of light diffusers for indoor farms and greenhouses. It offers luminescent diffusers to deal with the issue of growth, yield, and crop control. Its products are designed to increase the photosynthesis activity of plants and crops. It is also used to stimulate phytochromes. It is mainly used for fruits, flowers, and aquatic plants.
- Sep 2022Seed$3.5M
#10
Series A · Sydney, New South Wales · founded 2012 · 62 employees$9.5Mraised▾
Provider of IoT and SaaS-driven building energy management solutions. It offers the integration of energy metering devices, HVAC, lighting, and other electrical and mechanical sub-systems in buildings to a cloud-hosted building management system for real-time monitoring and controlling. Its applications are in financial services, retail, grocery, and commercial real estate.
- Apr 2020Series A$5M
- Apr 2018Series A$3.2M
- Jan 2016Seed—
- Feb 2015Seed$1.2M
#11
Series A · Hawthorn, Victoria · founded 2010$3.1Mraised▾
Global technology company specializing in smart energy management systems and IoT solutions. They provide intelligent energy management solutions and offer a platform for remote asset management and data collection for energy consumption and generation.
- Aug 2021Grant (prize money)$877K
- Aug 2015Series A$2M
- Jun 2014Seed$1.1M
#12
Deadpooled · Darra, Queensland · founded 2005 · 10 employees$6.8Mraised▾
Brisbane Materials has developed patented optical coating material for solar panels and LED lights. Can be used as anti-reflective coatings(ARC) in solar panels which bonds chemically to glass surface & claims to reduce reflection by 75%. In LED lights the coating material reduces Fresnel reflections by a porous silica layer & increases lumen output.
- Mar 2017Series B$1.5M
- Sep 2012Series A$5.2M
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 flat
Funding & growth over time
funding flat · growth rising
How research on Energy Efficiency & Buildings is moving in Australia
A read on the academic research around Energy Efficiency & Buildings — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 541 Australia-affiliated papers.
- UNSW Sydney66
- University of Technology Sydney38
- University College London36
- Newcastle University36
- Deakin University32
- Energy management3→35
- Energy management system1→15
- Microgrid2→13
- Energy (signal processing)2→12
- Renewable energy1→10
- Energy management18→39
- Microgrid4→25
- Renewable energy4→25
- Passive cooling8→24
- Energy management system13→25
- Heat pump3→14
- Mechanical engineering1→4
- Electricity1→4
- Thermal1→4
Where energy efficiency is researched across Australia
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.