The wholesale price of electricity has the ability to change every 5 minutes but we charge you every 15 minutes. We take the average of the three 5 minute intervals within that 15 minutes.
Here's the only link I could find from ERCOT that provides 5-minute LMP price data. Happy hunting! http://mis.ercot.com/misapp/GetReports.do?reportTypeId=12300&reportTitle=LMPs%20by%20Resource%20Nodes,%20Load%20Zones%20and%20Trading%20Hubs&showHTMLView=&mimicKey …
