Southwest Power Pool (SPP)

© RTO Insider
SPP, Stakeholders Kick off Markets+ Phase 2 Development
The development of SPP's Markets+ has picked up the pace with stakeholders agreeing on an interim governance structure and representation on the working groups that will handle much of the effort ahead.
Aurora Energy Research
Report Urges 5-GW Battery Storage Buildout in SPP
A new report urges SPP to accelerate its interconnection process and reform market rules to allow greater buildout of energy storage.
DOE
BPA Supported by Trade Orgs in Suit over Day-ahead Market Decision
Trade organizations for utilities and large energy consumers seek to intervene in the lawsuit filed in the 9th Circuit Court of Appeals challenging the Bonneville Power Administration’s decision to join SPP’s Markets+ instead of CAISO’s EDAM.
© RTO Insider 
SPP Board of Directors/Members Committee Briefs: Aug. 5, 2025
SPP approved its seventh competitive project under FERC Order 1000, a 19-mile, 115-kV new transmission line with an estimated cost of $45.5 million in the Texas-New Mexico area.
© RTO Insider 
SPP Board Sets Aside 765-kV Costs, Large Load Policy
SPP’s Board of Directors agreed to defer action on a 765-kV transmission project with a ballooning cost estimate and staff’s large load integration policy, both the source of much stakeholder discussion.
ITC Holdings
FERC Approves SPP Change to IC Interim Service
FERC approved an SPP tariff change that allows interconnection customers without a pending request to ask for interim service when the study cluster’s window is closed.
© RTO Insider 
SPP Regional State Committee Briefs: Aug. 4, 2025

SPP state regulators have approved a policy that sets criteria for developing joint transmission projects with other RTOs to cost-effectively address persistent market-to-market (M2M) congestion.

© RTO Insider LLC
SPP Celebrates Novel Consolidated Planning Process
SPP’s Board of Directors has approved a tariff change establishing an integrated, three-year transmission planning cycle that represents a “first-in-the-country” mechanism.
MISO and SPP
MISO, SPP Still on Hunt for Joint Transmission Under CSP
MISO and SPP appear undaunted in their pursuit of a beneficial interregional project after FERC’s rejection of exemptions to their joint study rules.
© RTO Insider 
SPP’s Rew to Retire After 35 Years in Operations
SPP says its longest-tenured employee, Senior Vice President of Operations Bruce Rew, will retire in December and be replaced by C.J. Brown.

Want more? Advanced Search