Houston — Peak power demand in the Electric Reliability Council of Texas set a record for the month of April at 55,180 MW between 5 pm and 6 pm CT Wednesday, surpassing a three-year-old record by 3.2%, according to the grid operator.
Wednesday’s peak broke the previous record of 53,486 MW set on April 28, 2017 between 4 pm and 5 pm, ERCOT spokeswoman Leslie Sopko said. That said, the record was 11% shy of the 55,800 MW forecast for the day.
Real-time prices across the ERCOT footprint spiked above $325/MWh for the 15-minute interval ending 5:45 pm CT, according to ERCOT data. Real-time prices began to spike above $100/MWh shortly after 4 pm CT, an remained there until around 7 pm CT.
The ERCOT North Hub on-peak day-ahead locational marginal price jumped more than $64 day on day to $94.09/MWh for Wednesday delivery, according to ERCOT data, the highest April price since at least 2010.