Energy companies Iberdrola and E.ON joined QBotix's existing investors, lifting its overall funding to $23.5m.
QBotix, the US-based developer of a solar tracking system utilising intelligent mobile robots, has received $12m in financing in a series B round including European utilities E.ON and Iberdrola.
In addition to their energy retail activities, E.ON and Iberdrola both maintain considerable solar asset portfolios. The energy companies were joined in the round by QBotix’s existing backers, New Enterprise Associates, Firelake Capital Management and Draper Nexus.
All three invested in a $5m round in series 2012 that also featured Siemens…
