Quantum Strategic Partners, an investment fund managed by Soros Fund Management, joined the D round of Transphorm as a new investor alongside Google and venture capital firms Kleiner Perkins Caufield & Byers, Foundation Capital and Lux Capital.

Kior sold 10 million shares below its $19 to $21 per share range and two of its investors, venture capital firms Khosla Ventures and Artis Capital Management, said they would buy up to 3.5 million shares at its listing price in the initial public offering, according to its regulatory filing.

The rechargeable battery specialist expands to Singapore after announcing a new round of investment.

SolarBridge raises a $19m series C investment typifies the cleantech company's current expansion.

Alstom takes 40% stake in AWS Ocean Energy.

Siemens continues to invest in alternative power sources, obtaining a minority stake in American solar energy start-up Semprius.

CMEA reportedly said its $400m, 2008-vintage fund might be last in its current format after hiring CFO.

In partnership with SolarCity, Google's fund will extend solar leases and power purchase agreement options to customers.

Applied Ventures, the corporate venturing fund of Nasdaq-listed electronics company Applied Materials, owns 6.3% of Enphase having invested about $5.5m in its series B through to E rounds and $2.44m in a convertible loan earlier this month, according to the portfolio company's regulatory filing.

Charles River Ventures and North Bridge Venture Partners, which also backed A123, are providing the $10m series A round to spin-out M24.