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Smooth start for Texas nodal

Hedging activities in Ercot’s day-ahead market have commenced after its nodal transition. Pauline McCallion reports on expectations for future risk management developments

Nodal day-ahead market

The transition from a zonal to a nodal market on December 1, 2010 was a long time coming for the Electric Reliability Council of Texas (Ercot). The system operator was ordered to develop a nodal wholesale market design in September 2003 by the Public Utility Commission of Texas and shelved its first attempt to transition in 2008.

Under the new structure, the grid will consist of more than 4,000

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