Seattle City Light
BPA could face high implementation fees and operating costs under both SPP’s Markets+ and CAISO’s EDAM, but exact amounts are in flux.
The Bonneville Power Administration tamped down expectations that it is all in on SPP’s Markets+, clarifying in a recent letter to lawmakers representing Oregon and Washington that it’s still weighing the pros and cons of joining a day-ahead market.
BPA remains on track to issue a decision on which day-ahead market to join by May 2025 despite calls to delay it until fall 2025 to give the agency more time to reconsider its leaning toward SPP’s Markets+.
CAISO’s launch of the Extended Day-Ahead Market will not spell the end of a Western real-time-only offering from the ISO, according to CEO Elliot Mainzer.
The Bonneville Power Administration continued to argue that SPP’s Markets+ is preferable to CAISO’s EDAM, stating in a letter to Seattle City Light that potential benefits of a single West-wide market footprint must be viewed with “significant skepticism."
The four U.S. senators representing Oregon and Washington contend BPA has failed to make a financial case for joining Markets+, a condition they say should be the key driver of the agency’s decision to participate in a Western day-ahead market.
The Los Angeles Board of Water and Power Commissioners gave the go-ahead for LADWP to join CAISO’s EDAM, in a move expected to increase the utility’s annual net revenue by almost $40 million.
The Bonneville Power Administration says following through on its $25 million funding commitment to the development of SPP's Markets+ is simply a matter of preserving choice.
BPA’s insistence on favoring joining SPP’s Markets+ over CAISO’s Extended Day Ahead Market is “alarming” and could lead to $221 million in economic advantages going up in smoke, Seattle City Light argued.
BPA should be allowed to decide on a day-ahead market without outside federal interference, a group of Northwest publicly owned utilities that favor SPP’s Markets+ told DOE in a letter.
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