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December 5, 2025

interconnection reliability operating limit (IROL)

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MISO to Debut Tx Warning System in 2026
MISO is to roll out a new transmission warning declaration to give its members advanced notice when scarce transmission capacity is raising the risk of load shed.
La. PSC
MISO Debates What-ifs, Vows Improvements in Front of La. PSC After Load Shed
MISO leadership again promised to step up the RTO’s advance communication of tight system conditions following its four-hour load-shed directive for about 600 MW in Greater New Orleans.
New Orleans City Council
NOLA City Council Puts Entergy, MISO in Hot Seat over Outages

Called to the podium by the New Orleans City Council, MISO and Entergy leadership agreed a perfect storm of factors merged to cause the Memorial Day weekend power outages.

Yes Energy
MISO: New Orleans Area Outages Owed to Scant Gen, Congestion, Heat

MISO has shed light on the reasons behind the May 25 load-shed event in southeast Louisiana, describing a system taxed by early summer heat and rife with congestion and unavailable generation.

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PJM MRC/MC Briefs: June 22, 2023
PJM stakeholders endorsed a proposal to create a cost recovery mechanism for generators which are required to make facility upgrades.
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PJM OC Briefs: Feb. 9, 2023
PJM and its IMM gave first reads of their proposals exploring whether generators should be permitted to recover upgrade costs for some critical facilities.
Ariel Corp.
NYISO Operating Committee Briefs: Oct. 13, 2022
NYISO recommended removing NY-PJM IROL limitations as well as highlighted and approved manual updates related to ancillary services and reliability needs.
PJM Operating Committee Briefs: April 8, 2021
The PJM Operating Committee discussed COVID-19 vaccinations for staff and the February winter storm emergency in the Midwest.
PJM Operating Committee Briefs: March 11, 2021
PJM proposed allowing generators critical for determining interconnection reliability operating limits to recover required upgrade costs.
NEPOOL Transmission Committee Briefs: June 18, 2020
The NEPOOL Transmission Committee was briefed on FERC's approval of recovery of compliance costs for facilities designated as critical for determining IROL.

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