Evergreen Solar, Inc.. The Group's principal activities are to develop, manufacture and market solar power products that are capable of providing reliable and environmentally clean electric power. The solar power products include solar cells, panels and systems, with solar panel sales being the major one. Solar panels are used to generate electricity for on-grid and off-grid applications. The Group's research revenues consist of revenues from various state and federal government agencies to fund the ongoing research, development, testing and enhancement of products and manufacturing technology. Solar cells, Panels and Systems accounted for 79% of 2002 revenues and Research Revenues, 21%.