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December 19, 2025

ERCOT Technical Advisory Committee (TAC)

ERCOT
ERCOT Board Approves $9.4B 765-kV Project
ERCOT’s Board of Directors has approved staff’s proposed 765-kV Eastern Backbone project and its $9.4 billion capital cost price tag, making it the most expensive project in the grid operator’s history.
ERCOT
ERCOT Stakeholders Endorse $9.4B 765-kV Build
ERCOT stakeholders endorsed a 1,109-mile, single-circuit 765-kV backbone project that is projected to cost nearly $9.4 billion in capital costs, making it the largest initiative in decades.
ERCOT
Large Loads Slow to Interconnect in ERCOT
ERCOT's Technical Advisory Committee discussed the grid operator's approach to large loads, as staff said they are tracking over 200 GW in large-load interconnection requests.
ERCOT
ERCOT’s GRIT Program Marries Grid, New Technologies
ERCOT introduced a new initiative to advance research and evaluate emerging concepts and solutions in the face of an evolving grid and new technologies.
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ERCOT Stakeholders Endorse 2026 AS Methodology
ERCOT stakeholders, while raising concerns over the grid operator’s use of conservative operations, have endorsed staff’s recommendations for computing minimum ancillary service quantities for 2026.
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ERCOT Technical Advisory Committee Briefs: July 30, 2025
ERCOT says all systems are go — or more specifically, green — and early market trials have been successful as the Real-time Co-optimization plus Batteries project barrels to its Dec. 5 go-live date. 
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ERCOT TAC Approves Tabled Curtailable Load NPRR

ERCOT stakeholders approved a protocol change that would register loads that can be curtailed under certain system conditions.

ERCOT
ERCOT’s TAC Extends Duration of Ancillary Services

ERCOT stakeholders advanced a protocol change that provides longer-duration ancillary services and state-of-charge parameters, among several other voting items, during their last TAC meeting.

ERCOT
ERCOT’s TAC Endorses Congestion Management Plan
ERCOT stakeholders endorsed a protocol change that creates a process to compensate market participants when a constrained management plan or switching instruction trips a generator that otherwise would have stayed online.
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ERCOT Technical Advisory Committee Briefs: March 26, 2025
ERCOT stakeholders have endorsed several protocol changes related to the ISO’s real-time co-optimization project, keeping on track a project seen as a cornerstone for future market improvements.

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