Australian clean tech stocks have outperformed the general market for the month of September and the first quarter of the financial year, the Australian CleanTech Index shows.

Over the past three months, the Index saw an improvement of 5.7 per cent, while the ASX200 fell by 1.9 per cent. For September the ASX200 fell by 5.9 per cent, while the CleanTech Index rose 1.5 per cent. And over the past year, the CleanTech Index has gone up 10.6 per cent, 9.2 per cent ahead of the ASX200, gaining just 1.4 per cent.

The sub-sectors performing the best over the past quarter were the Environment Index (+35.7 per cent), the Efficiency/Storage Index (+16.1 per cent) and the Water Index (+9.9 per cent). The worst performers were the Solar Index (-26.1 per cent) and the Waste Index (-2.8 per cent).

The quarter’s strong clean tech performance was driven by 13 companies with gains of more than 20 per cent, including biotech company Actinogen, solar energy company K2 Energy Limited and battery developer RedFlow.

The market capitalisation of the 63 stocks in the ACT Australian CleanTech Index is $15.5 billion. The index covers sectors that have environmental and economic benefits, including solar thermal and photovoltaics, wind generation, waste management and recycling, green buildings, biofuels, water, environmental services and energy efficiency.