West–Houston faces another delivery test at a $26 late premium

West’s larger shortfall drove yesterday’s compression. From 5 PM until 8 PM Nov. 6, West averaged $59.73/MWh against $80.92/MWh day-ahead; Houston averaged $55.01/MWh against $57.80/MWh. Every regional hub undershot its clearance in that window, so the result combined weaker-than-priced West leadership with broader evening underdelivery.

Today’s late repricing has two legs. From 8 PM until 11 PM Nov. 7, West clears at $78.73/MWh versus $69.97/MWh for the same hours yesterday, while Houston slips to $52.41/MWh from $54.17/MWh. Hub Average barely moves, to $61.74/MWh from $61.43/MWh. The earlier 5 PM-until-8 PM cleared West–Houston premium is also intact at $23.47/MWh.

The model’s range is wide: for the hour beginning 8 PM Nov. 7, its averaged interval p10/p90 values are $39.06/$74.65/MWh, spanning the $65.46/MWh clearance. Broad realized prices remain ordinary despite two consecutive increases: the rolling 24-hour Hub Average mean of $34.04/MWh is below the prior-seven-issue average of $38.39/MWh and near the prior-30-issue average of $34.19/MWh.