OSI releases Midwest market operation system for fast track implementations

Minneapolis, MN, April 21, 2003 — Open Systems International, Inc. (OSI), a provider of open automation solutions to electric utilities, has released its Market Operation System for the Midwest market administrated by the Midwest ISO (MISO).

The OpenMOSâ„- (Market Operation System) will allow market participants, including generation companies, load serving entities and energy service providers to support information management and operation within the Midwest market.

The OpenMOS product supports communications with the MISO via ICCP, DNP and XML, and allows for review and submission of resource plans, generation schedules, transaction bids, load schedules, unit commitment, and scheduled transactions, as well as an optional after the fact Settlement module.

For day-ahead operations, the OpenMOS supports automatic download of Locational Marginal Pricing (LMPs) as well as real-time LMPs. Historical recording and logging of all information exchanged between the participant and the Market is accomplished via use of a data historian. An optional price-based Economic Dispatch module is supported for scheduling optimal unit loading via the use of market LMPs in order to maximize market participation profit.

The OpenMOS product has been successfully field tested in the Texas ERCOT market and has been adapted for Midwest operations.

The product is offered in a modular architecture on several platforms including Microsoft Windows®, Unix and Linux. It can be interfaced with existing legacy real-time operations/SCADA systems via the use of various communications protocols including ICCP.

The OpenMOS system can be delivered and installed in less than eight (8) weeks using a fast track methodology to meet the upcoming December 2003 target operations date that is imposed by the Midwest market.

OSI (www.osii.com & www.e-scada.com) provides open, state-of-the-art, high-performance automation solutions to electric utilities worldwide. These solutions include Energy Management Systems (EMS), Distribution Management Systems (DMS), Supervisory Control and Data Acquisition (SCADA) Systems, and Generation Management Systems (GMS), as well as individual software products and e-business solutions for electric utility operations.

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