Southwest Power Pool (SPP)

Invenergy
Enviros Challenge MISO, SPP Queue Express Lanes
Environmental groups are further pressing their opposition to MISO's and SPP’s fast-track studies for primarily fossil fuel projects, challenging both at the D.C. Circuit in a pair of lawsuits.
Duke Energy Renewables
SPP’s ELCC Methodology Contested at Appeals Court
The Sierra Club and Natural Resources Defense Council filed a petition with an appeals court to toss two recent FERC orders that granted SPP’s request to modify provisions for clean energy resources’ capacity accreditation.
© RTO Insider LLC
Updated: SPP Markets+ Cruising Through Early Development
SPP says the development of its Markets+ day-ahead market in the West is proceeding on time and under budget, with the hard part yet to come.
© RTO Insider
SPP State Regulators Affirm Use of Highway/Byway Cost Allocation
SPP state regulators have approved several motions related to FERC Order 1920’s mandate for long-term, scenario-based planning to ensure the system can meet future needs and be fairly compensated.
© RTO Insider 
SPP Awards 8th Competitive Project, 3rd in 2025
SPP’s Board of Directors has awarded its eighth competitive project and third in 2025 under FERC Order 1000, a 345-kV upgrade in the Texas Panhandle.
© RTO Insider 
SPP Board Approves 2025 ITP with 4 765-kV Projects
The SPP board has approved the RTO's 2025 Integrated Transmission Plan that includes four 765-kV projects.
Shutterstock
Nonprofits Ask 9th Circ. to Vacate BPA’s ‘Shocking’ Day-ahead Market Decision
A group of nonprofits suing BPA said its decision to join SPP’s Markets+ instead of CAISO’s EDAM “violated clear mandates from Congress.”
© RTO Insider 
Now a Mature Industry, Batteries Face a More Certain Future
Reports of the energy storage industry’s demise are greatly exaggerated, experts said during the American Clean Power Association’s annual Energy Storage Summit.
© RTO Insider LLC
Xcel Energy, AEP Plan to Invest $132B Through 2030
Xcel Energy and AEP both said during their quarterly earnings calls that they have increased their capital investment spend to meet increasing demand from large loads.
Camerafiend, CC BY-SA-3.0 via Wikimedia Commons
4 Entities Join NV Energy in Exiting WRAP, While Idaho Power Commits

Calpine, Eugene Water & Electric Board, PGE and PNM joined NV Energy in leaving the Western Resource Adequacy Program, while Idaho Power signaled its continued commitment.


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