US Northeast power and gas prices saw significant rises on Aug. 24-25 trading amid the ongoing heatwave. In New York Independent System Operator, real-time locational marginal prices topped $1,000/MWh across the board at 6.05 pm ET Aug. 24. In ISO New England, the ISO internal Hub real-time locational marginal price was trading around $300/MWh at the same time. Prices receded shortly after that to trade closer to their normal levels. In both ISOs, real-time prices also were elevated Aug. 25, with NYISO prices reaching the $600s/MWh at 3:05 pm ET, and ISO New England prices hovering in the lower $200s/MWh, grid operator data showed. On the Intercontinental Exchange, Mass Hub on-peak for Aug. 26 delivery jumped double digits to trade at $110.75/MWh, up from its previous settlement of $83.50/MWh. This was the highest price […]