The 20kW grid-connected power system running on low-cost CIS solar cells, jointly developed by Advanced Technology and Materials Co., Ltd (AT&M) and Germany under the 863 Program, has been put into use in the central area of the Olympic Park.

Mass production of CIS solar cells has already begun. However, their photoelectric conversion efficiency falls short of what is theoretically desired, and the cell performance can be further boosted and costs lowered through industrialization.