Top 20 Clean Energy Startup Investors in Australia (June 2026)

Portfolio highlights

• Enosi — Enosi traces ‘your’ energy – matching site-specific, half-hourly energy demand with site-specific, half-hourly generation data – across the grid. From this Enosi: - Allocates, sorts and prioritizes settlements of that energy supply amongst a defined “community” - Delivers price and usage data to that community’s common retailer for easysettlement on monthly retail bills
• Oxamii — Oxamii is a peer-to-peer marketplace that allows businesses to purchase renewable energy from local producers.
• BlockTexx — BlockTexx is an early stage clean technology company that recovers polyester and cellulose from textiles and clothing.Through an Australian developed patent pending process that combines chemical recovery technology and advanced manufacturing to produce high quality recycled materials of rPET pellets and cellulose powder from textile waste.BlockTexx is positioned at the end of the value chain, where raw materials and end-of-use solutions have the highest environmental impact and revenue potential.

Portfolio highlights

• Relectrify — Unlocking extra lifetime and performance of batteries via advanced battery management (BMS) technology.
• Wattwatchers — Be more energy efficient and maximise your renewable energy to save money, and the environment.
• Renewable Metals — Renewable Metals' unique alkali recycling process recovers critical minerals from old batteries so they can be used again and again.

Portfolio highlights

• PHNXX — PHNXX provides containerised clean and reliable energy solutions for business operations.
• ARQ Energy — ARQ Energy battery system allows multiple users in the same location to access renewable energy and off-peak electricity for reduced utility bills and carbon emissions.
• Verta Bioenergy — Bespoke drop in replacement pellets to decarbonise industrial coal use. Minimal investment required. Decarbonising one plant at a time.

Portfolio highlights

• OneMRI — A comprehensive whole-body MRI. Radiation-free, clinically reviewed, and explained by doctors.
• BarterAds Pty Ltd — BarterAds is a programmatic advertising exchange that enables businesses to acquire customers without cash spend by converting unused ad inventory into a tradable asset. Instead of paying in fiat, companies earn and spend a proprietary internal currency called Barter Dollars, which are issued when they display ads on their owned media propertiessuch as websites, apps, or platforms.The platform operates as an auction-based exchange, similar to traditional ad networks, where advertisers bid for impressions using Barter Dollars. Inventory is matched contextually and priced dynamically through real-time bidding, ensuring efficient allocation of supply and demand across the network. This allows both advertisers and publishers to maximize the value of otherwise underutilized inventory.BarterAds primarily targets startups, SaaS platforms, marketplaces, gaming companies, and content publishers that have traffic but are constrained by rising customer acquisition costs. By removing the need for upfront cash spend, the platform provides a capital-efficient growth channel, particularly for small and mid-sized businesses.The system includes controls for brand safety, fraud prevention, and inventory quality through business verification, campaign approvals, and continuous monitoring. Barter Dollars are non-transferable and expire periodically, preventing hoarding and ensuring continuous circulation within the ecosystem.BarterAds is designed as a hybrid between barter networks and modern ad exchanges, combining the scalability and automation of programmatic advertising with a closed-loop, cashless economy. The company is headquartered in Australia and is focused on building a global network of advertisers and publishers who both contribute inventory and run campaigns within the platform.
• Samphire Neuroscience — Samphire Neuroscience provides solutions that specialize in women's health. The company was founded in 2021 and is based in London, England.

Portfolio highlights

• Enosi — Enosi traces ‘your’ energy – matching site-specific, half-hourly energy demand with site-specific, half-hourly generation data – across the grid. From this Enosi: - Allocates, sorts and prioritizes settlements of that energy supply amongst a defined “community” - Delivers price and usage data to that community’s common retailer for easysettlement on monthly retail bills

Portfolio highlights

• Ampd Energy — A state of the art battery system with high output power electronics powers the most demanding of loads. Enabling the use of zero or low carbon energy sources.
• Xandar Kardian — FDA-cleared, contactless Remote Patient Monitoring radar sensor enabling proactive health care through continuous vital sign monitoring.
• Hubble.Build — Build better, faster, safer and cost-effective with our construction management software. Learn how to digitise and automate your construction worksite workflows.

Portfolio highlights

• Bygen — Bygen delivers high-quality activated carbon products while also facilitating large-scale, long-term carbon dioxide sequestration.
• Harvest B — Plant-based meat startup that develops plant-based ingredients for plant-based meat producers by leveraging a smart ingredient system
• Circle In — Support your caregiver employees and create a family-inclusive business culture utilizing our data-backed research, processes, and tools.

Portfolio highlights

• pebblar —
• Porter & Sail —
• Allume Energy — Apartment residents can now access solar energy directly from their rooftops and share it fairly with their neighbours thanks to our world-first technology, SolShare.

Portfolio highlights

• Everproof — Enabling organizations and individuals to monitor and verify qualifications, licenses and certifications through one online account.
• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.

Portfolio highlights

• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.

Portfolio highlights

• Allume Energy — Apartment residents can now access solar energy directly from their rooftops and share it fairly with their neighbours thanks to our world-first technology, SolShare.

Portfolio highlights

• Beca — Engineers and consultants making everyday better for our clients and the community.
• POP — POP is a holding company led by entrepreneurs to build a specialist insurance ecosystem.
• Momentum Energy — The power company owned by Australia's largest renewable generator. See how our prices compare to other gas and electricity providers in 2 minutes.

Portfolio highlights

• Sumday — Non - financial accounting software. Start carbon accounting, properly, with the support of your existing advisors
• Fleet Space Technologies — Fleet is an agile, next generation connectivity company. Our mission is to Connect Everything using cutting-edge communications and space technologies to maximise the resource efficiency of human civilisation and enable the next industrial revolution with our free, ubiquitous connectivity platform.
• Gilmour Space Technologies — Gilmour Space is a rocket company in Australia that is developing and launching low-cost small satellite launch vehicles. All orbits, all planets: https://www.gspacetech.com

Portfolio highlights

• Relectrify — Unlocking extra lifetime and performance of batteries via advanced battery management (BMS) technology.
• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.
• Juniper Education — Get tailored software, training and professional services to suit your school or learning organisation from Juniper Education. Click here to learn more.

Portfolio highlights

• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.

Portfolio highlights

• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.

Portfolio highlights

• Enosi — Enosi traces ‘your’ energy – matching site-specific, half-hourly energy demand with site-specific, half-hourly generation data – across the grid. From this Enosi: - Allocates, sorts and prioritizes settlements of that energy supply amongst a defined “community” - Delivers price and usage data to that community’s common retailer for easysettlement on monthly retail bills

Portfolio highlights

• Mys Tyler — Finally, an app that brings you body-relevant fashion inspiration. Discover like-minded, like-bodied creators sharing the outfits they love on Mys Tyler.
• Allume Energy — Apartment residents can now access solar energy directly from their rooftops and share it fairly with their neighbours thanks to our world-first technology, SolShare.

Portfolio highlights

• PHNXX — PHNXX provides containerised clean and reliable energy solutions for business operations.

Portfolio highlights

• Runa — Businesses from every walk of life use rewards to acquire, retain and thank customers but the current process is broken. Sending rewards, incentives and non-cash payouts is manual, expensive, time-consuming and error-prone. WeGift changes this. Operating in more than 30 countries, in 22 languages, 20 currencies, with over 700 brand partners, andhundreds of clients, like Perkbox, Sodexo, New Look and Halfords among others, WeGift’s cloud-based, open API solutions allow businesses to transfer value to consumers, in real-time and globally. Established in 2016, WeGift is backed by leading entrepreneurs and investors.
• Hussle — Gym membership with total flexibility. Gym passes to no contract gym memberships that you can use in thousands of gyms across the UK. Gym and swim wherever you want to. Stop and start whenever you like.
• Clear Review — Enable conversations to drive meaningful relationships and ensure employees feel supported to reach their goals, so organisations can achieve what matters most.