Search
June 18, 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
CAISO Proposes Alternative Approach for Calculating RA Resources During Peak Times

CAISO is proposing a new method for verifying how much energy thermal resources can provide during peak conditions on California’s grid for resource adequacy purposes.

Seattle City Light
Former Seattle City Light CEO Nominated for WEM Governing Body

Former Seattle City Light CEO Debra Smith has been nominated to join the Western Energy Markets (WEM) Governing Body, with a three-year term to begin July 1. 

© RTO Insider 
CREPC TC Close to Wrapping Up Cost Allocation Study

The CREPC Transmission Collaborative is wrapping up work on a cost allocation study, while another transmission expansion coalition study is behind schedule, staff said during the Western Interstate Energy Board’s annual meeting.

Compass Energy Storage
CEC Considers Opposition to Compass Battery Project in Southern California

California is setting records with battery energy storage operating on its grid every day, but in one Southern California beach county, residents have come out in large numbers to oppose a proposed 250-MW battery project because of safety and aesthetic concerns.

Shutterstock
UPDATED: ‘Pathways’ Bill Passes California Senate on 36-0 Vote

A California bill to implement the West Wide Governance Pathways Initiative’s Step 2 proposal passed the state Senate in a unanimous vote.

© RTO Insider
Industry Needs ‘New Planning Paradigm,’ BPA Chief Tells Regulators

BPA CEO John Hairston’s keynote at the annual meeting of the WCPSC spotlighted a theme that would dominate discussion at the event: the looming prospect of overwhelming growth in electricity demand in the West and across the U.S.

© RTO Insider 
CAISO EDAM Congestion Revenue Proposal Gains Support

Many stakeholders are now supporting CAISO’s proposed new method for allocating congestion revenues in EDAM after months of workshops and multiple proposals.

Aurora Energy Research
Study Finds PSCo Would Gain More in EDAM than Markets+
The study, conducted by Aurora Energy Research, found EDAM could provide the Denver-based utility $11.2 million more in average annual savings from 2028 to 2040 compared with Markets+, rising to $13.2 million through 2060.
Shutterstock
BLM Proposes Accommodations for Greenlink North Line
The Bureau of Land Management has proposed changes to three of its Northern Nevada resource management plans to accommodate NV Energy’s 235-mile Greenlink North transmission project.
BLM California
CAISO Battery Storage Initiative Focuses on Outage Management, Nonlinearity

CAISO is moving forward with a key initiative to resolve how battery storage resources function on the grid as the battery boom continues in the Golden State. 


Want more? Advanced Search