Nanowire solar cell technology developer Sol Voltaics has raised $12.5m in an Umoe-backed series C round, together with a $4.5m grant from the Swedish government.

Arpa-E, the US government advanced energy research project, reinvests in compressed gas refuelling technology spinout Onboard Dynamics, contributing to $3m round.

Solar wafer producer 1366 Technologies has received $10m from Hanwha Investment Corporation to support construction of its first commercial factory.

Nexeon, the Imperial College London spinout that develops rechargeable lithium ion batteries, has now secured in excess of $120m.

Edinburgh hunts for a commercial partner to bring its ultra-pure hydrogen yield increasing technology to market.

Ecomachines sells its shares in Warwick spinout Recycling Technologies to an undisclosed private investor.

BDC Capital supports a seed round for cleantech company Acuva, which is working on a water purification system.

The Toronto University spinout has secured seed capital from Sustainable Development Technology Canada.