US-listed industrial conglomerate General Electric backed OPower from its $200m Ecomagination clean-tech corporate venturing fund and the firm has subsequently closed a $50m B round

SSE Venture Capital and ABB Technology Ventures back Aquamarine Power's wave energy technology.

Pentalum Technologies raised $9m in its first round from venture capital firms Cedar Fund, Evergreen Venture Partners and Draper Fisher Jurvetson in July. The round was then kept open to allow ABB in.

Venture capital firm North Bridge Venture Partners led the $8m round in CoolPlanetBioFuels as a repeat investor with GE Energy Financial Services also participating.

General Electric's $200m Ecomagination Challenge finds an initial 12 companies to support out of 70,000 clean-tech entries.

BP has joined venture capital firms VantagePoint and Sustainable Technologies Fund in the extended $6m round of funding for REAC Fuel.

Ratan Tata, chairman of India-based conglomerate Tata Group, and David Cote, executive chairman of US peer Honeywell, lead forum calling for $1bn clean energy fund.

Panasonic pays $21.15 per share in a private placement having been a supplier of batteries to Tesla.

GreenAngel owns 448,454 shares in dPoint and the latest $2.6m round is at a valuation representing an 87% increase.