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December 5, 2025

SPP Tariff attachment Z2

FERC Approves SPP’s 2nd Go at Dropping Z2 Credits
FERC approved SPP’s proposal to eliminate revenue credits for sponsored transmission upgrades under Attachment Z2 and replace them with incremental long-term congestion rights.
SPP Board/Members Committee Briefs: April 28, 2020
SPP’s Board of Directors approved the first two revision requests stemming from the Holistic Integrated Tariff Team’s work.
SPP Joint Quarterly Stakeholder Briefing: April 27, 2020
SPP CEO Barbara Sugg assured stakeholders the RTO is taking careful steps to reopen while the pandemic still rages, making clear it will be a slow process.
SPP MOPC Briefs: April 14, 2020
SPP's MOPC endorsed a revision request that would eliminate Z2 revenue credits for sponsored transmission upgrades despite concerns of a regulatory defeat.
SPP Strategic Planning Committee Briefs: April 15, 2020
SPP Board Chair Larry Altenbaumer asked the Strategic Planning Committee for an education session on congestion hedging following stakeholder disagreement.
FERC Denies Rehearing in Z2 Remand Order
FERC denied SPP’s request for a rehearing of the commission’s 2019 order that the RTO provide refunds of credit payment obligations.
FERC Order Keeps Z2, Aids EDF’s Sponsored Project
FERC rejected SPP’s request to eliminate Z2 revenue credits for sponsored transmission upgrades, allowing the RTO to submit a revised proposal.
SPP MOPC Briefs: Jan. 14-15, 2020
SPP staff are expected to return to the MOPC with a proposal for a “strategic survey” following numerous occurrences of conservative operations last summer.
Texas PUC Briefs: Dec. 13, 2019
Texas' PUC denied El Paso’s request for an extension of settlement negotiations, maintaining the agreement deadline in the acquisition of El Paso Electric.
SPP MOPC Briefs: April 16-17, 2019
SPP General Counsel Paul Suskie laid out the implications of FERC’s reversal of a waiver it had previously issued to the RTO on Tariff Attachment Z2.

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