David Patton

Potomac Economics
NEPOOL Holds Summer PC Meeting amid New England Heat Wave, Climate Protests
NEPOOL held its annual summer Participants Committee meeting in New Hampshire during a multiday stretch of extreme heat and high demand on the New England grid.
ERCOT
ERCOT Board of Directors Briefs: June 17-18, 2024
ERCOT’s Board of Directors has passed one contentious protocol change and tabled another that have divided stakeholders and staff and led the IMM to argue against the heavy use of ECRS.
© RTO Insider LLC
MISO IMM Knocks LRTP Benefit Calculations; RTO Poised to Add More Projects
MISO’s Independent Market Monitor continues to cast doubt on the theoretical benefits estimates of the second long-range transmission projects as the RTO intends to add more projects to the already $17 billion to $23 billion portfolio.
© RTO Insider LLC
ERCOT Board of Directors Briefs: Dec. 19, 2023
ERCOT staff and the ISO's Market Monitor have set aside their differences and promised to work together in improving the procurement and deployment of ancillary services.
Potomac Economics
MISO and IMM: M2M Flowgate Issue with SPP not Sustainable, May Require Litigation
MISO and its Independent Market Monitor agree legal action is likely concerning the RTO’s payments to SPP for a market-to-market flowgate.
ERCOT
ERCOT Technical Advisory Committee Briefs: Dec. 4, 2023
ERCOT stakeholders have endorsed the grid operator’s proposed ancillary service methodology for 2024, but only after extracting a commitment from staff to bring the proposal back for further review.
© RTO Insider LLC
MISO Defends Fleet Predictions over Monitor’s Skepticism
Doubts continue to swirl around which version of MISO’s future fleet mix is appropriate for long-range transmission planning — the Independent Market Monitor’s or the RTO’s itself.
© RTO Insider LLC
MISO Promises Analyses on Long-range Tx; Stakeholders Divided on IMM Involvement
Amid the Independent Market Monitor’s denunciation of MISO’s fleet assumptions for long-term transmission plans, lead planners defended their approach to planning for 2040.
ATC and ITC Midwest
Market Monitor Questions MISO Fleet Assumptions in Long-term Tx Planning
MISO’s Independent Market Monitor took his concerns to stakeholders over what he deems unrealistic fleet assumptions in MISO’s long-range transmission planning.
© RTO Insider LLC
MISO Monitor Again Sounds Alarm on Long-range Tx Planning
MISO IMM David Patton appeared before the Market Subcommittee to again criticize the future resource mix assumptions MISO is using to craft a second long-range transmission plan.

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