The U.S. Department of Energy's Advanced Research Projects Agency (ARPA-E) has announced an open funding opportunity for up to $125 million, OPEN 2015, that may be of interest to the solid-state lighting community. OPEN 2015 will support energy research and development projects from top U.S. innovators for game-changing new technologies in transportation and stationary applications, including efficiency for buildings, manufacturing and commerce, and personal use.