heat wave
Potomac Economics
As NYISO continues its Capacity Market Structure Review, the Market Monitoring Unit used its second-quarter State of the Market report to highlight potential issues with how the ISO forecasts resource availability.
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NYISO shared a detailed analysis of New York’s late June heat wave, in which significant operating reserve shortages elevated energy prices.
EIA
Peak electricity demand in the 48 contiguous states set records twice in the last of week of July, reaching 758,053 and 759,180 MW over one-hour periods July 28 and 29.
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The heat wave at the end of June caused the average locational-based marginal price for the month to increase dramatically, NYISO said.
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NYISO performed an autopsy on the system conditions during the late June heat wave for the New York State Reliability Council at its Installed Capacity Subcommittee meeting.
PJM
PJM saw its highest peak loads in over a decade during a heat wave that stressed the Mid-Atlantic region from June 22 to 26.
Yes Energy
PJM experienced a preliminary peak load over 160 GW during the recent heat wave, surpassing the RTO’s summer forecast of 154 GW and requiring the deployment of pre-emergency demand response.
ISO-NE
ISO-NE declared a capacity deficiency, implemented a Power Caution and took extra actions to maintain grid reliability during what may have been the highest peak load since 2013, driven by extreme heat and humidity.
NYISO
A third straight day of intense heat in New York resulted in an Energy Warning from NYISO as reserves dwindled.
Duke Energy
DOE issued an emergency order authorizing Duke Energy Carolinas to operate certain generation facilities at maximum output to meet heat-related demand.
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