Primus Power said it received $20 million in the first close of a Series C funding that includes strategic investor Anglo American Platinum of South Africa. The Hayward, Calif., company has now raised $35 million in funding since mid 2009 and has been awarded $20 million in government grants from agencies including the Department of Energy. The company said existing investors participated in the new round without naming them. Existing investors include Kleiner Perkins Caufield & Byers, Chrysalix Energy Venture Capital, DBL Investors and 12BF Global Ventures, according to data from Thomson Reuters, publisher of peHUB. Primus expects to begin commercial shipment of its zinc-based flow battery this year to utility and other customers.