February 24, 2025

CAISO/WEIM

The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
CAISO
FERC Approves CAISO Plan to Streamline Interconnection Process
FERC approved CAISO's proposal to streamline its generator interconnection process to deal with the “unprecedented volume” of interconnection requests it received in 2023.
CAISO
CAISO Seeks to Dispel CRR ‘Myths’ Around January Cold Snap
CAISO focused on CRRs when it served up the latest volley in the ongoing dispute over what played out on the Western grid during the January cold snap that forced Northwest utilities to import high volumes of energy to avoid blackouts.
Shutterstock
CAISO Passes Initiatives to Address Meter Data Reporting, Expand Trading
The CAISO Board of Governors and Western Energy Markets Governing Body passed two proposals that address different issues within Western markets.
© RTO Insider LLC 
FERC Grants PGE Extra Time to Prepare for EDAM
FERC granted CAISO a waiver allowing PGE to join the ISO’s Extended Day-Ahead Market a few months beyond the timeline set out in the market’s standard participation agreement.
West-Wide Governance Pathways Initiative
Pathways Initiative Releases ‘Step 2’ Proposal for Western ‘RO’
Pathways released its Step 2 draft proposal for dividing up functions between CAISO and the new “regional organization” that initiative backers are seeking to create to oversee the ISO’s Western real-time and day-ahead markets.
The Brattle Group
Updated EDAM Study Shows Doubling of PacifiCorp Benefits
PacifiCorp is poised to realize up to $359 million a year in net benefits from participating in CAISO’s EDAM, nearly double a previous estimate, according to a newly updated study by The Brattle Group.
Energy Strategies
Report Calls for $75B in New Tx to Meet Western Needs
The Western Interconnection will need about 15,600 additional new line miles of high-voltage transmission at a cost of about $75 billion over the next 20 years to meet the anticipated increase in load growth, according to a report commissioned by Gridworks and GridLab.
CAISO
Data Centers Contribute to 60% Increase in San Jose Load Forecast
Data centers are contributing to significant load growth and project needs in Silicon Valley, according to CAISO representatives speaking at the kickoff meeting for the ISO’s 2024/25 transmission planning process. 
Western Power Pool
WPP Board Approves WRAP Transition Plan Changes
The Western Power Pool’s Board of Directors has approved changes to the Western Resource Adequacy Program’s transition plan that include postponing the program’s “binding” phase by one year and reducing penalties for participants who come up short on RA.
CAISO
CAISO, Stakeholders Consider GHG Attribution for Non-priced States
CAISO is recommending it implement a Western Power Trading Forum proposal that could help the EDAM track and account for GHG emissions in a way that considers the variety of carbon pricing programs across the West.

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