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December 24, 2025

Southwest Power Pool (SPP)

SPP Cracks 70% Renewable Penetration
Southwest Power Pool (SPP) met 73.67% of its demand October 9th with wind, hydro and other non-fossil resources when SPP’s load was 22.5 GW.
SPP Seams Steering Committee Briefs: Oct. 9, 2019
SPP's Seams Steering Comm. discussed the RTO's agreement with MISO and upcoming meetings between the Regional State Comm. and the Org. of MISO States.
RTO Responses Reveal Uneven Landscape for DERs
CAISO, ISO-NE and NYISO look to be the pacesetters in opening the country’s organized electricity markets to greater participation by DERs.
SPP’s LSE Definitions Accepted by Quorum-less FERC
FERC said SPP’s proposal to add “load-serving entity” and “non-load-serving entity” to its membership agreement became effective due to its lack of quorum.
RTOs Gather to Discuss Real-time Co-optimization
ERCOT staffers and stakeholders gathered to hear advice from the RTOs that have already implemented real-time co-optimization in their markets.
SPP Board OKs $9.5M to Build Western EIS Market
The SPP Board of Directors accepted staff’s recommendation to budget $9.5 million to develop and stand up the Western Energy Imbalance Service market.
FERC Sets Briefings on MISO, SPP Congestion Fees
FERC established briefing procedures for MISO and SPP as it investigates “overlapping and duplicative” congestion charges on pseudo-tie transactions.
FERC Order Briefs: Sept. 19, 2019
A roundup of FERC's orders issued at the commission's open meeting Sept. 19, 2019.
Affected-system Rules Unclear, FERC Says
FERC told MISO, PJM and SPP their joint operating agreements don’t provide enough clarity on how the RTOs’ handle generator interconnections along seams.
Texas PUC Briefs: Sept. 12, 2019
The Texas PUC moved a step closer to approving the construction of two 345-kV transmission lines moving about 70% of Lubbock’s load from SPP to ERCOT.

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