ABB improves Ontario real-time energy market

SANTA CLARA, Calif., August 23, 2004 — ABB, a power and automation technology company, announced it has implemented key enhancements to the real-time market clearing system at Ontario’s Independent Market Operator (IMO) by implementing a new Multi-Interval Optimization (MIO) algorithm.

“The IMO software that determines dispatch instructions every 5 minutes has been enhanced so that it considers upcoming changes in system conditions and requirements.” says Behnam Danai, ABB’s IMO Project Manager.

Bill Limbrick, IMO vice president, information technology & infrastructure states, ” the IMO is already seeing that the enhanced system requires less manual intervention in the dispatch solutions, and we anticipate this will reduce the Congestion Management Settlement Credit (CMSC) by more efficient dispatch of the generating units.”

“Additional system enhancements allow market participants to provide the IMO with more detailed operating characteristics for their units, which enables IMO to further refine its dispatch instructions,” adds Nicholas Ingman, IMO’s project manager for MIO. “This allows the market participants to operate these units more efficiently.”

The Independent Electricity Market Operator is a not-for-profit corporate entity established in 1998 by the Government of Ontario. The IMO manages Ontario’s electricity grid – directing the flow of electricity across the transmission system to meet the province’s power needs. The IMO balance
this demand for electricity against available supply through the wholesale market.

About ABB

ABB ( specializes in power and automation technologies that enable utility and industry customers to improve performance while lowering environmental impact. The ABB Group of companies operates in around 100 countries and employs about 105,000 people. The company’s U.S. operations employ about 8,500 people in manufacturing and other facilities in 32 states.

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