January 21, 2025

loss of load expectation (LOLE)

FERC Denies Rehearing on NYISO LCRs
FERC denied rehearing of its order accepting NYISO’s revisions to the methodology it uses to determine locational minimum installed capacity requirements.
MISO Eyes Cuts to LMR Capacity Credit
MISO says it may reduce the capacity accreditation of some of its load-modifying resources in an effort to improve resource availability in its footprint.
MISO RASC Briefs: Dec. 3, 2019
MISO says it will look to make improvements to the capacity testing process after sifting through results from its generators and discovering errors.
PJM Operating Committee Briefs: Nov. 12, 2019
PJM staff told the Operating Committee questions still remain about why its load forecast veered so far off course during a hot spell in early October.
MISO Planning Reserve Margin to Climb in 2020
MISO estimates it will need an 8.9% unforced capacity planning reserve margin for the 2020/21 planning year, a full percentage point above the current level.
MISO Weighs Seasonal Capacity, Accreditation Plan
MISO is proposing fixes to its LOLE study and capacity accreditation while it tries to determine if it should implement a seasonal capacity construct.
PJM Operating Committee Briefs: Oct. 15, 2019
PJM’s Operating Committee put manual revisions for its gas contingency rules on the fast track to endorsement after approving the changes on the first read.
MISO RASC Briefs: Oct. 9, 2019
MISO's Resource Adequacy Subcommittee discussed delaying deliverability requirement changes, limiting extended planned outages and deadlines for the PRA.
MISO Finds Loss-of-load Risk in Fall, Winter Months
For the first time, MISO has found a loss-of-load risk outside of summer months, and said it may be more evidence for seasonal capacity supplies.
MISO Deliverability Plan Prompts Skepticism
MISO signaled it’s ready to address calls from its Monitor and members to tighten capacity deliverability requirements, but some are concerned about costs.

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