The Darnell Power Forum, being held in Chicago from September 13-15 will include a plenary session presented in which Efficient Power Conversion, Fraunhofer Institute, Intersil Zilker Labs, Johnson Research and Development Co. Inc. and Excellatron Solid State LLC will participate. They’ll cover topics ranging from the future of digital power to micro-power sources based on fuel-cell technology. Other session topics during the event will include smart grids, energy harvesting, digital power and power system design. Registration is still open at: