Inventec-backed solar energy optimizer has new Chairman Zvi Alon and $13.1m funding led by Alon Ventures.

The series B round has also seen Cloudant's existing investors In-Q-Tel, Avalon Ventures and Samsung Venture Investment Corporation increase their shares in the company.

Lewis Trust Group joins investors in backing online retailer The Hut Group.

In April 2010, NTT Investment Partners, a corporate venturing unit of the Japan-based phone operator Nippon Telegraph and Telephone, made a $2m equity investment in Ubitus after the companies entered a strategic alliance the year before.

Directors listed on the Securities and Exchange Commission filing include Michael Lee, managing partner of Rogers Venture Partners (RVP), the $150m corporate venturing unit of Canada-based phone operator Rogers Communications.