January 21, 2025

California Independent System Operator (CAISO)

SPP
SPP Markets+ Tariff Wins FERC Approval

SPP reached a key milepost in its Western efforts when FERC conditionally approved its tariff for Markets+, a highly anticipated decision likely to ramp up the competition with CAISO’s Extended Day-Ahead Market.

California Natural Resources Agency
CEC Workshop to Focus on Impact of Pathways Initiative
The California Energy Commission will hold a workshop to discuss the West-Wide Governance Pathways Initiative, signaling the state may consider a proposal to alter CAISO’s governance structure to accommodate broader concerns about the ISO’s lack of independence from politics.
CAISO
WEIM Q3 Prices Down Despite Increased Loads, CAISO DMM Finds
Prices in CAISO’s WEIM fell sharply in the third quarter of 2024 compared with a year earlier as declining gas costs outweighed the impact of increased summer loads, the DMM found.
© RTO Insider LLC
Benefits of Fast-start Pricing Questionable, CAISO DMM Says
Establishing a fast-start pricing mechanism in CAISO and the WEIM is complex and brings few benefits compared to other potential market enhancements, the ISO's Department of Market Monitoring said.
Cal Fire
No Grid Impact from LA Fires, CAISO Says
The rapidly spreading brush fires that have devastated multiple communities around Los Angeles are not expected to affect California’s broader transmission grid, CAISO said.
Grid Status
How Much are Batteries Displacing Natural Gas on CAISO’s Grid?
Answering the question isn’t easy, according to CAISO staff and other electric industry experts, who say that while batteries are having a notable impact, several factors complicate the narrative that they’re displacing gas on the grid.
NOAA
CAISO Leaders Look Ahead to 2025 with Confidence
CAISO, California and other parts of the West head into 2025 with a heavy load of priorities: implementing EDAM, developing the infrastructure needed to meet ambitious climate goals, and moving forward with new and continuing initiatives to address some of the ISO’s biggest challenges.
© RTO Insider LLC
EDAM Won’t Eliminate WEIM-only Option, CAISO CEO Says

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.

Kevin Dooley, CC BY-SA-2.0, via Wikimedia Commons
Western Market Developers Compare Approaches to GHGs
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.
CAISO
FERC OKs CAISO Plan to Streamline Interconnection Process
FERC approved CAISO’s request to further streamline its generator interconnection process in response to the high volume of requests in its interconnection queue.

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