In 2003 the U.S. Air Force held an open bidding for a post-warranty service contract on about $80 million worth of Powerware uninterruptible power supply (UPS) equipment it had purchased in 2001.

RALEIGH, N.C. (October 15, 2001) Invensys Powerware Division announced today that the latest uninterruptible power system (UPS) in its Series 9 product family, the Powerware 9330 Model 40, for ...