Meanwhile, the ASX200 reported a gain of 1.03% and the ASX Small Ordinaries Index a gain of 3.81%. The Australian CleanTech 20 rose by 3.19% for the month.
The best performing sub-index for the month was the Australian Efficiency & Storage Index with a gain of 9%, led by 50%+ gains in Cobalt Blue Holdings and First Graphite - part of a surge in the sustainable minerals sector.
The worst performing sub-index was the Australian Renewable Energy Index, recording a 0.1% gain for the month, led by a 50% fall from Quantum Energy.
Companies with gains of more than 15% were Bingo Industries, Bluglass, Syrah Resources, Cobalt Blue Holdings, First Graphite, Orocobre, RedFlow, Genex Power, Kalina Power, Vivid Technology, and Environmental Group.
On the other end of the spectrum, the companies that recorded losses of more than 15% were Quantum Energy, Actinogen, Leaf Energy, Papyrus Australia, SciDev, Nanosonics, Novonix, Protean Wave Energy, Vmoto, Orbital Corporation, and Collaborate Group.
The market capitalisation of the 78 stocks in the Australian CleanTech Index is A$37.8 billion.
The CleanTech Index continues to outperform the wider market over all the reported periods with the three-year performance leading the ASX200 by 40%.
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