2007
$50M
from 4 investors over 4 rounds
Opower raised undisclosed on April 3, 2014
Investors: Sozo Ventures
Opower raised undisclosed on September 12, 2011
Investors: Akkadian Ventures
Opower raised $50M on November 29, 2010
Investors: Kleiner Perkins
Opower raised $1.7M on August 1, 2007
Investors: -