EDAM
Kevin Dooley, CC BY-SA-2.0, via Wikimedia Commons
On the surface, CAISO’s Extended Day-Ahead Market and SPP’s Markets+ will take similar approaches to accounting for greenhouse gas emissions — but important differences remain.
Bonneville Power Administration
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."
LADWP
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.
Tacoma Public Utilities
The West-Wide Governance Pathways Initiative still grapples with political uncertainties and governance concerns despite efforts to fix those issues, proponents of SPP’s Markets+ contended.
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CAISO is considering how to apply fast-start pricing to the Extended-Day Ahead Market — a topic that has been a sticking point for some as entities across the West decide which day-ahead market to join.
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The Balancing Authority of Northern California became the third entity to formally join CAISO’s Extended Day-Ahead Market, following PacifiCorp and Portland General Electric.
Salt River Project
The joint announcement by APS, SRP, TEP and UniSource Energy marks a significant win for SPP after a string of victories for CAISO’s competing Extended Day-Ahead Market.
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The Pathways Initiative drew praise from many quarters with the vote to approve its “Step 2” proposal, but it was quickly apparent the development will do little to sway Markets+ supporters.
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The West-Wide Governance Pathways Initiative received a significant financial boost when DOE awarded nearly $1 million to underwrite its efforts to establish a Western “regional organization” to oversee CAISO’s WEIM and EDAM.
Powerex
Powerex intends to terminate a large portion of its rights on PacifiCorp’s transmission system in response to the utility’s plans to update its transmission tariff to align with CAISO’s EDAM.
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