A total of 41 venture and private equity investment deals in Chinese clean tech companies with aggregate deal value of US$1.2 billion were recorded for 2015, down 16.3% and 27.4% from the year earlier, respectively, according to data from ChinaVenture.

But mergers and acquisition deals were active for the past year, with 568 transactions with US$27.1 billion in total deal value announced during the year, a record for the past few years.

Completed mergers and acquisition deals amounted to US$8.1 billion in total.

Venture And Private Equity Investments In Chinese Clean Tech Companies

Because of the temporary closure of China's IPO market last year, only ten Chinese clean tech companies completed an initial public offering, down 23% from 2014.

Total proceeds from the IPOs, of which three were in Shanghai, four in Shenzhen and three in Hong Kong, amounted to US$2.6 billion, down 40% from 2014, according to the data.