US electricity markets saw significant price swings, with locational marginal prices varying widely across regions as power demand shifted.
ISO New England led the markets at 5 p.m. ET with a locational marginal price of $34.71 per megawatt-hour, compared with $22.39/MWh for Midcontinent Independent System Operator, which posted the lowest price at that hour.
For intraday peaks, PJM Interconnection reached $85.08/MWh at 8:15 a.m. ET, while ISONE recorded the lowest LMP in the negative territory at -$0.45/MWh at 11 a.m. ET.
The National Weather Service's Climate Prediction Center forecasts above-normal temperatures across most of the US from Sept. 30-Oct. 6, with near-normal readings in parts of the West.