(Image source: wall-street.com) Plug Power Inc (NASDAQ:PLUG) shares are down this morning after the alternative energy provider posted wider first quarter losses. The company reported an adjusted quarterly loss of 6 cents per share, which was one cent higher than the consensus estimate. The quarter loss was aided by charges related to stock warrants in the amount of $68.4 million. Compared to the same period a year ago, revenue is down about 13 percent.