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.
Traders Seek Clarity in FERC Enforcement Under New Regime
FERC’s enforcement policy is unlikely to shift significantly despite the arrival of four new commissioners, a panel of present and former FERC staffers said. But some think the commission should provide more clarity in defining violations.
CAISO Launches Interconnection Initiative
CAISO launched a sweeping set of updates to its interconnection policies, an annual process made increasingly complex by a rapidly changing resource mix.
CAISO
CAISO Floats Reliability Programs Revamp
CAISO has kicked off an effort to implement major changes in the way it procures backstop generation needed to maintain grid reliability.
© RTO Insider
EIM Body Tables Nominating Process Changes
The Energy Imbalance Market Governing Body rejected the CAISO move to change how members of the panel are nominated.
Critics: Trump Tariff to Cut Solar Growth, Jobs
President Trump’s new tariff on imported solar cells and modules will slash domestic solar output and wipe out tens of thousands of jobs, a major solar trade industry association said.
STEM
CAISO Moves Ahead With Load-Shifting, DR Products
CAISO is delving into the next phase of a years-long effort to integrate more energy storage and demand response into its markets.
Ameren Illinois
Calls Grow for Capturing Utilities’ Tax Savings
The number of state officials and utilities announcing actions because of the Tax Cut and Jobs Act signed by President Trump last month keeps growing.
Oroville Dam Faces Lawsuit, Relicensing Threat
Local officials filed a scathing lawsuit alleging corruption at the state’s main water agency and lawmakers called for FERC to delay the Oroville Dam’s relicensing.
FERC Approves CAISO Resource Adequacy, MRTU Revisions
FERC issued decisions related to CAISO’s resource adequacy program and transmission service in the Pacific Northwest.
‘Horse is out of the Barn’ for CAISO RC Effort
CAISO has been studying its recent move to become a reliability coordinator (RC) since early last year, and ISO officials have extensively reviewed the proposal, it said.

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