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December 5, 2025

SPP Tariff attachment Z2

SPP Briefs: Week of June 28
SPP stakeholders spent two hours discussing the need for a congestion study in the Texas Panhandle, only to determine that more discussion is needed.
SPP Members Send Z2 Alternatives to MOPC
SPP members are advancing at least two alternative solutions to address the RTO’s complicated crediting system for transmission upgrades.
SPP Members Again Struggle with Solutions to Z2 Credits
SPP Members once again discussed alternatives to its cumbersome Z2 credits during an all-day meeting, but they adjourned without reaching any decisions.
SPP Z2 Panel Sees ILTCRs as Cure to ‘Mess of Complexity’
The SPP Z2 Task Force conducted a series of votes to determine potential alternatives to the RTO’s cumbersome crediting system for transmission upgrades.
SPP Briefs
The odds of SPP and MISO conducting a second joint study dropped as the RTOs’ reviews are not lining up. Plus the Z2 Task Force is narrowing alternatives.
SPP Z2 Task Force Looks for Best of Proposals
The Southwest Power Pool Z2 Task Force does not appear close to a solution for replacing its bedeviling crediting system for transmission upgrades.
SPP’s Z2 Task Force Sees More Work in its Future
The SPP Z2 Task Force came no closer to a solution for the complicated crediting process during a meeting cut short by weather.
SPP Seeks to Manage Wind Riches, Improve Order 1000 Process
SPP and its stakeholders enter 2017 seeking ways to integrate massive amounts of wind power into the RTO’s interconnection queue.
SPP Board of Directors Briefs
The SPP Board of Directors approved a 13.2% increase in the RTO’s administrative fee and a 6.6% boost in its budget for 2017.
Z2 Task Force Looks at Incremental Congestion Rights
Stakeholders working on the SPP Z2 crediting process met here last week to learn about how potential solutions might affect the RTO’s other functions.

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