ERCOT, Southeast spot electricity power prices were varied on the Intercontinental Exchange Thursday, as wind generation was set to fall over the weekend. Across the ERCOT footprint, packages rose on ICE. ERCOT North Hub real-time on-peak was up about $2 on the day, pricing around $18/ MWh. The corresponding off-peak package added about $1 to trade around $12/MWh. Much of this upward trend in prices could be attributed to much weaker wind generation, which was projected to fall over 50% on the day, down from 17,235 MW to 7,563 MW Saturday. Sunday’s levels were forecast slightly higher at 10,438 MW. Wind generation was expected to rebound to 14,667 MW Monday, according to the Electric Reliability Council of Texas data. ERCOT peakload demand was forecast relatively unchanged at 46,496 MW Monday, compared with Friday’s level of 46,934 MW. Weekend demand across the region was forecast lower, averaging 41,107 MW, according to the grid operator data. Cooler temperatures were expected to stay Saturday and steadily increase by the next week. Dallas high temperatures were forecast in low 70’s Saturday and were expected to rise few degrees by Monday. Houston highs were forecast in mid-70’s Saturday, pacing well below seasonal averages, and were forecast to rise to mid- 80’s over the next few days, according to CustomWeather.
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