Top 13 Green Energy startups in Sydney
Nov 07, 2025
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18
1
Funding: $306.5M
Brighte is a digital credit platform for financing home energy improvements.
Brighte is a digital credit platform for financing home energy improvements.
2
Funding: A$78.2M
The National Renewable Network is a linked network of solar and storage systems that transforms the way energy is supplied.
The National Renewable Network is a linked network of solar and storage systems that transforms the way energy is supplied.
3
Funding: $22M
HB11 Energy is developing Laser Hydrogen Boron-11 fusion to provide a new source of unlimited, clean, safe and reliable energy. Our mission is to generate electricity using laser-ignited non-thermal fusion.
HB11 Energy is developing Laser Hydrogen Boron-11 fusion to provide a new source of unlimited, clean, safe and reliable energy. Our mission is to generate electricity using laser-ignited non-thermal fusion.
5
Funding: $13.7M
Solar monitoring company that maximises the value home owners get from their solar power system
Solar monitoring company that maximises the value home owners get from their solar power system
6
Funding: $14.1M
Okra Solar is a modular energy startup that’s aiming to bring power to homes in rural areas via a plug-and-play solution that energy companies can easily deploy. The solution uses distributed energy technology that can bring micro-grids to rural communities via interconnected systems of solar panels and batteries.
Okra Solar is a modular energy startup that’s aiming to bring power to homes in rural areas via a plug-and-play solution that energy companies can easily deploy. The solution uses distributed energy technology that can bring micro-grids to rural communities via interconnected systems of solar panels and batteries.
7
Funding: $5M
ARC Ento Tech has developed the patent-pending ARC Process technology, which transforms waste into sustainable products including food, fuel and industrial materials.
ARC Ento Tech has developed the patent-pending ARC Process technology, which transforms waste into sustainable products including food, fuel and industrial materials.
8
Funding: A$1.8M
Wattcost brings homes to life by unlocking the intelligent voice in household appliances and solar systems.
Wattcost brings homes to life by unlocking the intelligent voice in household appliances and solar systems.
9
Funding: $1.2M
Wattblock provides quickstart energy reports for residential or commercial strata buildings, without the need for onsite hardware.
Wattblock provides quickstart energy reports for residential or commercial strata buildings, without the need for onsite hardware.
10
Funding: A$1.6M
Fulcrum3D develops inventive solutions that add value to wind and solar investment.
Fulcrum3D develops inventive solutions that add value to wind and solar investment.
11
Funding: A$20K
DeCarice focuses on the practical decarbonisation of diesel assets. Utilising findings from the UNSW Engine Research Laboratory, we're advancing solutions that allow diesel engines to run on up to 90% hydrogen fuel. This transition results in a CO2 emission reduction of over 70%.
DeCarice focuses on the practical decarbonisation of diesel assets. Utilising findings from the UNSW Engine Research Laboratory, we're advancing solutions that allow diesel engines to run on up to 90% hydrogen fuel. This transition results in a CO2 emission reduction of over 70%.
12
Powour helps to tracks, encourages, and incentivizes active transportation activities, minimizing environmental impact .
13
E-Green electrical specialise in helping our customers reduce their carbon footprint and impact on the environment while saving money.
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