planning reserve margin (PRM)

SPP
SPP’s REAL Team Approves Base PRMs, Sufficiency Value Curve
SPP’s REAL Team approved base planning reserve margins and a sufficiency valuation curve, codifying months of work.
© RTO Insider LLC
SPP’s REAL Team Moves Package of Policies
SPP’s resource adequacy stakeholder group has moved several policies that indicate the team’s work is “coming home” after months of presentations and discussions.
WER Architects-Planners
FERC to SPP: Show More Work on PRM Determination
FERC found SPP’s tariff revisions laying out how it determines its planning reserve margin methodology only partly met the commission’s order on rehearing and directed an additional compliance filing.
© RTO Insider LLC
SPP Board of Directors/MC Briefs: May 7, 2024
SPP CEO Barbara Sugg warned the RTO’s board and stakeholders that the grid operator faces new and stronger headwinds, even as it met its corporate goals’ first-quarter milestones.
© RTO Insider LLC
SPP, Members Close in on Fuel Policy, Base PRM
SPP and its stakeholders appear to be nearing consensus on establishing separate planning reserve margins for the summer and winter seasons and setting up a fuel assurance mechanism.
© 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.
© RTO Insider LLC
‘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.
© RTO Insider LLC
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.
© RTO Insider LLC
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.

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