BPA would have to strike several types of agreements, many of which are complex and could take years to implement, to tackle seams that could arise if BPA joins a day-ahead market, agency staff said during a workshop.

BPA could face high implementation fees and operating costs under both SPP’s Markets+ and CAISO’s EDAM, but exact amounts are in flux.

PJM announced it will seek to establish a $325/MW-day price cap on capacity prices and a $175/MW-day floor for the 2026/27 and 2027/28 Base Residual Auctions following discussions with Pennsylvania Gov. Josh Shapiro to resolve a complaint he filed over increased capacity costs.

Constellation and Calpine proposed selling off several PJM power plants in their merger application with FERC to quell any concerns with market power in some submarkets.

El Paso Electric says it will join SPP’s regional day-ahead Markets+ service offering in a “strategic move … tailored” to meet expected customer load growth and evolving needs.

The PJM Markets and Reliability Committee and Members Committee endorsed a proposal to rework the RTO’s rules around generation deactivations.

Arizona Corporation Commissioner Kevin Thompson said he thinks his state’s four major utilities may have erred in committing to joining SPP’s Markets+ instead of CAISO’s Extended Day-Ahead Market.

Voltus filed a complaint with FERC against MISO, alleging the RTO’s “11th-hour” changes in testing and contract proof requirements ahead of the spring capacity auctions will harm demand response resources and affect rates.

Arizona regulator Nick Myers, chair of the Markets+ State Committee, is drafting a document as part of SPP's compliance filing that better explains the role Western state commissioners will play in the day-ahead market's development and operations.