The Arlington, Va. clean tech startup, OPower, closed a $50 million series C investment led by Accel Partners and Kleiner Perkins Caulfield & Byers (KPCB) and joined by the company’s earlier investors New Enterprise Associates (NEA) the firms announced Monday.

OPower’s software-as-a-service helps electric and gas utilities understand who their residential energy consumers are, and how they… → Read More