ERCOT’s Independent Market Monitor said last week that negative prices are becoming less frequent and that they have virtually no impact on average energy prices, despite media attention given to them.

Steve Reedy, the IMM’s deputy director,expressed mild frustration that a September Slate article detailing prices reaching as low as -$8.52/MWh led to a flurry of additional press coverage. He said the Sept. 13 event was typical of wind energy being offered into the market at off-peak hours.

“It’s driven a lot of press, but it’s not had a major effect on the price,” Reedy said.

Keep reading at RTO Insider.

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