2001
$101M
from 6 investors over 6 rounds
HelioVolt raised $19M on August 3, 2013
Investors: SK Group
HelioVolt raised $85M on September 19, 2011
Investors: SK Group
HelioVolt raised $101M on August 16, 2007
Investors: Noventi VC, Abengoa Solar, S.A., Passport Capital and Paladin Capital Group