Doubletree Systems, Inc. with extensive experiences on automation, power system operation and protection, specializes in providing a totally open solution to electric utilities.

Doubletree Systems, Inc., located at heart of the Silicon Valley, Sunnyvale California develops and provides open systems POLARIS^® - on-line substation equipment condition monitoring system and SA200 - substation automation, Wide Area Protection and engineering services to electric utilities around the world.

Using the same environment, POLARIS^® and SA200^® ,both can run at the same platform or network to share the information using standard interfaces like TCP/IP, ODBC, DNP, OPC, XML, etc.

Doubletree Systems, Inc. mission is to work with users, bring advanced, mature technologies and have the user well trained.

..XJ Introduced and delivered a mobile transmission line de-icing device - FacTicer    ..Doubletree Systems Introduced PMU Tester & OnDemand Solution at EIPP    ..Doubletree Systems at the XJ 2002's User Group Meeting    ..Doubletree Systems, Inc. at 2001 IEEE T&D Expo