Shares of First Solar (FSLR 4.39%) have fallen 80% over the last two years, and 15% today on the company's earnings release. In this video, Motley Fool energy analyst Joel South takes a look at the biggest problems facing the company. With increasing competition both from Chinese and domestic companies, First Solar is facing shrinking margins and watching its former status as the dominant player in this market ebb away. Gaining access to larger projects and benefiting from economies of scale will be crucial for the company, but with increased uncertainty over government subsidies, First Solar just hasn't been able to book the large projects it needs.