Transformers tied to Southwest outage should be part of bulk system: Wellinghoff

摘要

Although grid equipment under 100 kV is not normallynincluded in the bulk power system, North American ElectricnReliability Corp. should expand its regulation of supply infrastructurento include Imperial Irrigation District transformers thatnplayed an important role in a September power outage affectingnconsumers from Arizona to California, the Federal EnergynRegulatory Commission chairman says.