SPP’s Board of Directors approved an updated assessment of the RTO’s 2025 transmission plan that corrects two minor errors and will re-evaluate a third project recently designated as a competitive upgrade.

CAISO and SPP have made “significant progress” on adapting existing tools to tackle seams between the two entities’ respective day-ahead markets, according to a CAISO representative.

The SPP leadership team responsible for strengthening the grid operator’s resource adequacy construct and recommending policy directions closed out 2025 by endorsing two protocol changes related to demand response and the cost of new entry.

FERC approved an SPP tariff revision designed to accelerate the addition of new generation by quickly adding shovel-ready incremental capacity at existing generating sites.

A new report examines CAISO, MISO, PJM and SPP efforts to accelerate interconnection and concludes that while some may succeed in speeding generation additions, some sacrifice fairness, transparency and open-access principles.

SPP said it expects as a “high likelihood” of meeting demand during the upcoming winter season and that it will be prepared in case of an unexpected event.

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.

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.

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.

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.