10 Biggest ASX Renewable Energy and Sustainability Stocks in 2025

2025-05-12 13:35:00 ET

As the energy transition continues to gain urgency, investors should keep an eye on cleantech stocks, including sectors such as low-emission technologies, renewable energy, water and wastewater technologies and waste and resource efficiency.

With US President Donald Trump pulling away from the investments in the energy transition made by the previous Biden administration, Australian green companies could pick up momentum. Researchers for Deloitte project that Australia could attract a share of roughly AU$123 billion in clean tech investment, based on an analysis by Net Zero Policy Lab of new supply chain markets.

With the positive outlook for cleantech in mind, here’s a look at 10 ASX cleantech stocks listed in order of largest to smallest by market cap. All figures were current as of May 5, 2025.

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