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May 22, 2025

summer peak

NYISO
NYISO Solar Generation Hit Record in April
New York solar generation set an all-time peak record April 17, generating 4,809 MW in the noon hour, NYISO told the Operating Committee.
PJM
PJM OC Briefs: May 8, 2025
The preliminary results of PJM’s look ahead at the capacity available for this summer and the expected peak loads suggest that about 5.4 GW of demand response could be needed to maintain the 3.5-GW real-time primary reserve requirement.
MISO
MISO Prepping for Likely 123-GW Summer 2025 Peak
MISO cautioned it’s likely in for heat waves and drought this summer with a slight chance it navigates a 130-GW peak in July.
MISO
MISO: Lower Prices, Fewer Outages and Annual Peak in August
MISO reported relatively lower costs and outages in August while it served its annual peak late in the month.
© RTO Insider LLC
MISO: Hurricanes, Heat Wave Noteworthy Against Relatively Peaceful Summer
MISO said it managed a milder summer overall compared to previous years, though it weathered two hurricanes and escalated into emergency warnings during a heat wave.
NWS and NOAA
Late August Heat Wave Delivers 122-GW MISO Summer Peak
MISO set its 122-GW summertime peak on the unofficial last week of summer, with widespread heat necessitating back-to-back maximum generation warnings.
MISO
MISO Braces for Hot Summer, Potential 130-GW Peak
MISO expects a hot summer and should be able to survive load peaks into the 120-GW range, but the system could be on the brink if a scorching day produces demand near 130 GW.
MISO
MISO Demand Up, Prices Down During Bumpy August
MISO's August demand rose compared to a year ago, while prices dropped by nearly two-thirds.
© RTO Insider LLC
MISO: Could Have Employed Wait-and-see Approach for August Emergency
MISO officials said they probably could have held off their decision to call a summertime emergency in late August.
DTE Energy
MISO Calls 1st Summertime Emergency amid Systemwide Heat Wave
MISO instated maximum generation procedures Thursday to manage a pervasive heat wave blanketing its footprint.

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