Seven electric utilities in the Northwest have formed an independent system operator (ISO), called "IndeGo," to coordinate their electric transmission. IndeGo will operate as a single control area, responsible for the operation of transmission-grid facilities carrying 230 kilovolts or more that are owned or directly controlled by the member utilities. Pricing for grid use would be based on a zonal tariff, since conflict-of-interest standards require that transmission system operations remain distinct from financial interests in generation market transactions.
IndeGo comprises Washington Water Power, Idaho Power, Montana Power, PacifiCorp, Portland General Electric, Puget Sound Power and Light, and Sierra Pacific Power Co. The group plans to file its proposal at the Federal Energy Regulatory Commission by December 31, and to begin operating in Summer 1997. (em LB
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