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.
U.S. Forest Service/Lassen Natio
Dixie Fire Explodes, Burns Historic Town
A massive wildfire that Pacific Gas and Electric equipment is suspected of causing exploded overnight and destroyed the historic gold rush town of Greenville.
NWPP
SPP to Operate NWPP’s Resource Adequacy Program
SPP continues to spread its footprint with an announcement Tuesday that it will operate Northwest Power Pool’s resource adequacy (RA) program in the Western Interconnection. The RTO will work with NWPP and its RA participants to help develop, implement and operate the program. As a program operator, SPP will perform forward-showing and operations program functions, …
Washington State Department of Transportation
Wildfires Raise Concerns for Western Transmission Lines
The near shutdown of the California-Oregon Intertie by a wildfire renewed concerns about the vulnerability of major transmission pathways.
CAISO
EIM Governance Review Committee OKs Power Share with CAISO
The Western Energy Imbalance Market's Governance Review Committee approved its proposal for a new delegation of authority between the EIM and CAISO boards.
Shutterstock
California Governor Proclaims Emergency as Blackouts Loom
California Gov. Gavin Newsom signed an emergency declaration aimed at keeping the lights on this summer by waiving clean-air rules and paying more for demand response.
U.S. Forest Service/Lassen Natio
PG&E Faces New Criminal Charges, Wildfire Liability
PG&E said the Dixie Fire burning in Northern California could hurt its finances but denied it committed crimes in starting last year’s deadly Zogg Fire.
CARB
California GHGs Decline 1.7% in 2019
Increased use of renewable diesel and greater availability of hydropower helped California cut its greenhouse gas emissions by 1.7% in 2019.
SEPA
SRP Details Stakeholder Engagement Strategy to Accelerate Carbon Reduction
SRP's Marc Campell discussed how the Arizona utility identified stakeholders to help it electrify transportation during SEPA's Grid Evolution Summit.
SEPA
Collaboration, Cultural Shift Key to Utility Transformation
Decarbonizing the U.S. grid will also mean overcoming communities’ aesthetic objections to large projects, Seattle City Light CEO Debra Smith told SEPA.
Shutterstock
California Needs New Transmission for 100% Clean Energy
The West needs new transmission near term and far more in the long term for California to meets its goal to provide customers with 100% clean energy.

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