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April 17, 2024

planning reserve margin (PRM)

© RTO Insider LLC
MISO Crunching Data for 2nd Seasonal Capacity Auction
Key deadlines already have arrived for MISO’s spring capacity auction, while MISO has hiked its planning reserve margin for the 2024/25 planning year.
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‘Therapy Session’: SPP REAL Team Reviews Draft LOLE Study
SPP REAL Team members conducted a “therapy session” in forming a consensus position around its schedule and priorities for 2024.
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California PUC Launches New Resource Adequacy Proceeding
California utility regulators voted to launch a proceeding to establish rules and requirements for the state’s resource adequacy program from 2025 to 2028.
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SPP Markets and Operations Policy Committee Briefs: July 10-11, 2023

SPP stakeholders endorsed a tariff revision request that adds a winter resource adequacy requirement for load-responsible entities bound by the grid operator’s recent planning reserve margin increase.

Ameren Missouri
MISO Intent on Marginal Accreditation and Requirements Based on Risky Hours
MISO is holding to its plan to enact a widescale marginal capacity accreditation while swapping risky hours for peak load to calculate its reserve margin requirements.
SPP
FERC Rejects Protest of SPP PRM Increase
FERC rejected a complaint by three SPP members seeking to overturn the RTO’s decision last year to increase its planning reserve margin from 12% to 15%.
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FERC Approves SPP’s Resource Adequacy Changes
FERC has approved SPP tariff revisions of resource adequacy requirements that would provide LREs with an alternative approach to deficiency payments.
General Electric
FERC Rejects SPP Self-funding Proposal for TOs
FERC has rejected SPP tariff revisions that would help transmission owners continue to self-fund network upgrades to interconnect generators.
SPP
SPP MOPC Briefs: April 10-11, 2023
SPP staff and stakeholders spent much of last week’s virtual Markets and Operations Policy Committee meeting discussing resource adequacy.
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MISO Unveils New Seasonal Auction Timeline, Ratio
MISO will fire up its capacity auction machinery beginning April 18 after it was forced to delay the auction last month on a FERC order.

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