FERC Requires Additional Z2 Filing from SPP

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Commission Accepts RTO’s Order 2222 Implementation Timeline

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Sep 21, 2025 | Tom Kleckner

FERC directed SPP to submit a compliance filing for its proposal to unwind credit payment obligations assessed under Attachment Z2 of the SPP tariff for transmission service taken from 2008 to 2016.

Distributed Energy Resources (DER)SPP Transmission Rates

KeywordsDER aggregation ER16-1341 ER22-1697 Federal Energy Regulatory Commission (FERC)FERC Order 2222 Southwest Power Pool (SPP)SPP Tariff attachment Z2

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