As climate challenges intensify, innovation is rising to meet them — and Australia is no exception. From carbon-conscious agriculture to cutting-edge energy storage, the nation’s green technology sector is rapidly expanding, with homegrown companies leading sustainable transformations across food, energy, and infrastructure.
Recognized in the TIME and Statista list of the world’s top 250 greentech firms, nine Australian companies stood out for their innovation, impact, and forward-thinking solutions. These businesses are not only reducing environmental harm but also helping to redefine how we power our homes, move through our cities, and grow our food.
In this article, we take a closer look at these standout firms, exploring the diverse ways they’re shaping a greener and more resilient future — both at home and on the global stage
Read also: Inside the world’s top 10 greentech innovators
Top 9 greentech companies in Australia
- V2food – FoodTech
- 5B – Renewable Energy
- Hysata – Resources
- Relectrify – Energy Storage & Distribution
- Amber – Energy Storage & Distribution
- JOLT – Energy Storage & Distribution
- CleanPeak Energy – Renewable Energy
- Stacked Farm – AgTech
- SunDrive – Renewable Energy
1. V2food
Founded in 2019, v2food is an Australian company producing plant-based meat alternatives. A collaboration between CSIRO, Main Sequence Ventures, and Competitive Foods Australia, v2food aims to create sustainable, nutritious, and affordable meat substitutes using legumes as the primary protein source.
v2food’s product range includes burger patties, mince, sausages, schnitzels, and ready meals, designed to replicate the taste and texture of traditional meat. Their products are available in major supermarkets like Woolworths and Coles, as well as in fast-food chains such as Hungry Jack’s, where the “Rebel Whopper” features v2food’s patties.
With a mission to address the environmental impact of meat production, v2food is expanding its reach into international markets, including Asia. Despite challenges like the closure of its Wodonga factory in 2023, the company continues to innovate and adapt, focusing on scalable solutions to meet the growing demand for sustainable protein sources.
Read also: Let’s Talk: Sustainability as a customer magnet
2. 5B
5B is an Australian solar technology company revolutionizing large-scale solar deployment through its innovative prefabricated systems. Founded in 2013 by solar engineers Chris McGrath and Eden Tehan, 5B aims to make clean energy more accessible and affordable by streamlining the installation process of solar arrays. Their flagship product, the 5B Maverick, is a pre-wired, modular solar array that can be rapidly deployed, significantly reducing installation time and costs.
The 5B Maverick system is designed for quick deployment, with the capability to install over 1 MW per week using a small team. This efficiency is achieved through factory assembly and testing, minimizing on-site labor and enhancing safety. The system’s compact design allows for higher energy density per hectare compared to traditional solar installations, making it ideal for land-constrained sites. 5B’s technology has been successfully implemented in various projects globally, including remote mining operations and urban energy solutions.
With a commitment to sustainability and innovation, 5B continues to expand its global footprint, partnering with organizations to accelerate the transition to renewable energy. The company’s approach not only addresses the technical challenges of solar deployment but also contributes to reducing carbon emissions and promoting environmental stewardship.
3. Hysata
Hysata, established in 2021 in Wollongong, Australia, is pioneering green hydrogen production with its groundbreaking capillary-fed electrolysis technology. This innovative approach achieves a remarkable 95% system efficiency, significantly surpassing traditional electrolyzers. By utilizing just 41.5 kWh of electricity to produce one kilogram of hydrogen, Hysata’s system minimizes energy waste and reduces operational costs, positioning green hydrogen as a viable alternative to fossil fuels,
The company’s technology addresses the limitations of conventional electrolyzers by eliminating gas bubble formation, which often hampers efficiency. This design not only enhances performance but also simplifies the system’s architecture, leading to lower capital expenditures and easier scalability. Hysata’s advancements are crucial for decarbonizing hard-to-abate sectors like steel production, chemical manufacturing, and heavy transportation.
Backed by prominent investors such as bp Ventures, IP Group, and the Clean Energy Finance Corporation, Hysata has secured over $140 million in funding to accelerate its growth. The company is rapidly expanding its manufacturing capabilities, aiming to reach gigawatt-scale production to meet the increasing global demand for green hydrogen. Strategic partnerships, including collaborations with POSCO and ACWA Power, further underscore Hysata’s commitment to transforming the hydrogen economy and contributing to a sustainable energy future.
4. Relectrify
Relectrify, founded in 2015 in Melbourne, Australia, is revolutionizing battery energy storage with its proprietary CellSwitch™ technology. This innovation enables cell-level control, allowing for the direct generation of grid-compliant AC power from battery packs without the need for traditional inverters. By optimizing each individual cell, Relectrify’s systems deliver up to 20% more energy over their lifetime and extend battery life by 20–30%, offering a more efficient and cost-effective solution for energy storage.
The company’s flagship product, the AC1, exemplifies this technology by providing a modular, inverterless battery energy storage system suitable for commercial and industrial applications. The AC1 boasts a 20-year performance guarantee, 99% state-of-charge accuracy, and the ability to bypass faulty cells without compromising overall system performance. These features not only enhance safety and reliability but also reduce installation and maintenance costs, making the AC1 a compelling choice for businesses seeking sustainable energy solutions.
Relectrify’s commitment to sustainability is further demonstrated through its ReVolve™ product, which repurposes second-life electric vehicle batteries for stationary energy storage. This approach not only extends the useful life of EV batteries but also contributes to a circular economy by reducing waste. The company’s innovative solutions have garnered support from prominent investors, including Toyota Ventures and the Clean Energy Finance Corporation, positioning Relectrify as a leader in the transition to renewable energy.
5. Amber
Amber Electric, established in 2017 by Chris Thompson and Dan Adams, is an Australian energy retailer aiming to transition the nation to 100% renewable energy. By offering customers direct access to real-time wholesale electricity prices for a $22 monthly subscription, Amber empowers users to shift their energy consumption to periods when renewable energy is abundant and prices are lower, promoting both cost savings and environmental benefits.
Central to Amber’s approach is its SmartShift™ technology, which integrates with home batteries, electric vehicle chargers, and smart devices to automate energy usage. This system optimizes energy consumption by aligning it with times of high renewable energy availability, thereby reducing reliance on fossil fuels and enhancing grid efficiency. Amber’s commitment to sustainability is further demonstrated through its carbon-neutral and 100% GreenPower plans, offering customers environmentally responsible energy options.
Operating across Victoria, New South Wales, South Australia, the Australian Capital Territory, and Southeast Queensland, Amber has garnered support from prominent investors, including Commonwealth Bank and Main Sequence Ventures. The company’s innovative model not only offers financial incentives for consumers but also contributes to a broader shift towards a more sustainable and renewable energy future in Australia.
6. JOLT
JOLT is an Australian electric vehicle (EV) charging network operator committed to making EV ownership more accessible through its innovative model of free, fast, and clean charging. Founded in 2018, JOLT offers drivers up to 7 kWh of free charging daily—equivalent to approximately 50 kilometers of range—powered entirely by 100% GreenPower-certified renewable energy . This approach addresses key barriers to EV adoption, such as cost and range anxiety, especially for urban drivers without access to home charging.
JOLT’s charging stations are strategically located in metropolitan areas across Australia, including Sydney, Melbourne, Adelaide, and Brisbane, with plans for significant expansion. The company’s chargers feature integrated digital advertising screens, generating revenue that subsidizes the free charging service . Recent advancements include the rollout of next-generation 50kW DC fast chargers with a sleek “flagpole” design and extended cable reach, enhancing accessibility and user experience.
Internationally, JOLT is expanding its footprint with operations in New Zealand, the United Kingdom, and Canada. A notable development is a $214 million partnership with the Canada Infrastructure Bank to install up to 1,500 kerbside EV chargers across Canadian cities . This global growth underscores JOLT’s mission to accelerate the transition to zero-emission transport by providing convenient and sustainable charging solutions worldwide.
7. CleanPeak Energy
CleanPeak Energy is an Australian-owned renewable energy company specializing in distributed energy infrastructure for commercial and industrial clients. Established in 2017, the company designs, builds, owns, and operates integrated solar, battery, and thermal energy systems to help businesses and government entities achieve net-zero emissions. By offering tailored, behind-the-meter solutions, CleanPeak enables clients to reduce carbon footprints without significant upfront capital investment.
The company has expanded its portfolio to include utility-scale projects, such as the 26 MW Wangaratta Solar Farm in Victoria and the 7.5 MW Moama Solar Farm in New South Wales. These projects are part of a $48 million agreement with the NSW government to supply renewable energy to the Barangaroo precinct in Sydney, ensuring its carbon neutrality until at least 2050. CleanPeak also operates one of Australia’s largest rooftop solar arrays at the Tonsley Innovation District in Adelaide, providing approximately 80% of the precinct’s energy needs.
With a growing portfolio of over 50 MW of rooftop solar and 35 MWh of battery storage, CleanPeak continues to develop clean energy solutions across Australia. The company’s commitment to sustainability and innovation positions it as a key player in Australia’s transition to a low-carbon economy.
8. Stacked Farm
Stacked Farm is an Australian agricultural technology company specializing in fully automated vertical farming. Established in 2016 by Daniel and Liz Tzvetkoff, the company operates from its headquarters in Arundel, Queensland, where it has developed a 6,588-square-meter facility capable of producing over 400 tonnes of herbs and leafy greens annually. Utilizing proprietary robotics and a controlled environment, Stacked Farm’s operations are designed to maximize efficiency and minimize human intervention.
In 2025, Stacked Farm commenced construction on a new $150 million facility at Melbourne Airport. Spanning 10,000 square meters, this state-of-the-art farm is projected to yield 3.4 million kilograms of produce each year. The facility will operate entirely on green energy and employ a zero-waste water system, reflecting the company’s commitment to sustainable practices. Advanced automation will allow the farm to function with just 15 staff members, highlighting the scalability of Stacked Farm’s innovative approach.
Stacked Farm’s technology enables rapid crop cycles, with leafy greens ready for harvest in as little as 16 to 31 days, compared to 45 to 80 days in traditional farming. The company’s produce, marketed under the “Beyond Organic” brand, is grown without pesticides or herbicides, ensuring high-quality, contaminant-free food. By integrating advanced technology with sustainable agriculture, Stacked Farm is redefining food production in Australia.
9. SunDrive
SunDrive Solar is an Australian solar technology company based in South Sydney, pioneering the development of high-efficiency solar cells using abundant materials. Founded in 2015, the company has transitioned from a garage-based PhD project to producing some of the world’s most efficient solar cells. SunDrive’s innovation lies in replacing traditional silver components with copper, which is approximately 100 times cheaper and 1000 times more abundant, thereby reducing costs and enhancing sustainability.
In 2022, SunDrive achieved a world record with a 26.41% efficiency in a commercial-sized silicon heterojunction solar cell using its copper-based technology . This breakthrough has garnered significant attention, leading to partnerships with major energy companies like AGL and collaborations with global manufacturers such as Trina Solar to scale up production . The Australian Renewable Energy Agency (ARENA) has supported SunDrive with funding to expand its production capacity beyond 100 MW per year.
SunDrive’s advancements not only promise to make solar energy more affordable but also position Australia as a leader in renewable energy manufacturing. By focusing on local production and sustainable materials, SunDrive aims to contribute significantly to the global transition towards clean energy.
Australia’s top greentech companies are redefining what’s possible across energy, food, and agriculture—proving that innovation and sustainability can go hand in hand. From copper-based solar cells and high-efficiency hydrogen electrolysers to vertical farming and smart energy platforms, these nine standout firms are making bold contributions to a cleaner, more resilient future. As the world accelerates its transition to net-zero, Australia’s greentech leaders are not just keeping pace—they’re helping set the global standard.
Keep up to date with our stories on LinkedIn, Twitter , Facebook and Instagram.
