Transmission Operations

London Economics International
WIRES Report Includes Survey on Industry’s Views of Advanced Tx Tech
WIRES Group released a report looking into advanced transmission technologies and how they can help cost-effectively expand the transmission grid.
© RTO Insider LLC
July Heat Wave Update, PJM OC Briefs: Aug. 7, 2025

PJM’s Kevin Hatch presented an update on how two heat waves between July 14-17 and 23-30 affected PJM operations, which involved multiple demand response deployments and emergency alerts and advisories.

Yes Energy
PJM Initiates Load Shed in Baltimore Region After Substation Disconnect
PJM initiated a load-shedding event in the Baltimore Gas and Electric region after the Brandon Shores substation went offline.
NYISO
NYISO Stakeholders Concerned About Lack of Data on Supplemental Commitments
Stakeholders requested the NYISO Market Monitoring Unit provide an explanation of the difficulties in obtaining data from the ISO and market participants on supplemental commitments after it presented its State of the Market report for the first quarter.
CAISO
WEIM Q2 Benefits Exceed $420M, as Total Tops $7.4B
CAISO’s Western Energy Imbalance Market provided participants with $422.44 million in economic benefits during the second quarter of 2025, up 15% compared with the same period year earlier despite no change in membership. 
MISO
MISO Skirts Max Gen Emergency in July Heat
MISO issued a slew of warning notices and operating instructions — especially in the South region — to help deal with oppressive July heat, forced generation outages and strained transmission.
PJM
PJM MRC/MC Briefs: July 23, 2025
PJM's Markets and Reliability Committee endorsed by acclamation an issue charge by Constellation Energy focused on how storage as a transmission asset could be implemented in the RTO.
Shutterstock
CPUC OKs New PG&E Rule to Speed Tx Connections for AI Data Centers, Others
The California PUC partially approved a new rule that will make it easier for AI data centers and other large customers such as EV charging stations to complete transmission connection projects in PG&E's territory.
© RTO Insider LLC
SPP MOPC Briefs: July 15-16, 2025
SPP stakeholders resoundingly rejected a proposed tariff change to integrate large loads, pushing back against what some say is a rushed process outside of the normal stakeholder structure.
ISO-NE
NEPOOL Reliability/Transmission Committee Briefs: July 15-16, 2025
ISO-NE’s regional network service rate is set to decrease by about 1% in 2026, dropping from $185.28/kW-year in 2025 to $183.71/kW-year in 2026.

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