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April 12, 2026

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.
Yes Energy
Regulators Worry Data Centers Consume Too Much Clean Energy
Pairing power-hungry data centers with clean energy resources is sparking mixed feelings among regulators, who say the grid already is straining with increased electrification and connecting new energy sources.
DOE
DOE Funding 4 Large Tx Projects, Releases National Tx Planning Study
The Department of Energy announced two actions to support the expansion of the transmission grid: investing up to $1.5 billion in four specific projects around the country and releasing the final National Transmission Planning Study. 
CAISO
CAISO Launches Phase 2 of Pricing Issues Initiative
The next phase of the Price Formation Enhancements Initiative will look to address issues around market power mitigation, scarcity pricing and fast-start pricing.
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.

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