November 11, 2010

Negative Power Prices in Ercot West: 2009 and 2010 Through September

Electricity, Energy markets / By

Michael Giberson Below are charts showing data on ERCOT West zone power prices for the 2009 and for 2010 January-September with a focus on negative prices.  The charts were derived from data provided through the ERCOT website, on their “Balancing Energy Services Market Clearing Prices for Energy Annual Report” page. These charts were prepared in the …

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Top 10 Longest Periods with Consecutive Negative Power Prices, Ercot West

1 Comment / Electricity, Energy markets / By

Michael Giberson ERCOT recently set a new record for consecutive pricing intervals below $0/MWh for balancing energy market prices in the ERCOT West region: 39.25 hours of negative prices.  The episode started at 7:45 PM on Saturday, November 6  and the negative prices continued until 11:00 AM on Monday, November 8.     The previous record …

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