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.
FERC Finds Partial Compliance on Order 845
FERC ruled six utilities have partially complied with Order 845, an initiative to increase the transparency and speed of the interconnection process.
Undersea Cable Wants $500M Wildfire Fund
FERC was skeptical of a proposal by Trans Bay Cable for an increase in its transmission revenues and a $10 million annual reserve in case of wildfires.
Storage Plans Clear FERC with Conditions
FERC found that CAISO, ISO-NE and MISO had largely complied with Order 841, but it ordered changes to some of the grid operators’ proposed tariff revisions.
CAISO Tx Planners Look at Reliability, Capacity Reqs
CAISO engineers examined options for transmission upgrades to resolve reliability concerns and reduce natural gas' role in meeting capacity requirements.
PG&E Seeks to Escape Inverse Condemnation
PG&E’s attorneys argued in federal bankruptcy court that inverse condemnation applies only to public entities and that the utility is not a public entity.
California Officials Hammer PG&E over Power Shutoffs
California officials hammered PG&E executives during a legislative hearing over the utility’s mishandling of multiple public safety power shutoffs.
CAISO Advances Systemwide Market Power Plan
CAISO is moving ahead with a plan to stem systemwide market power, even though not everyone is convinced the effort is necessary.
Calif. PUC Orders Investigation of Power Shutoffs
The California PUC opened an investigation into the power shutoffs that left millions in the dark several to prevent utility-sparked wildfires.
Fight Escalates over PG&E Settlement with Insurers
Wildfire victims and California Gov. Gavin Newsom challenged PG&E’s proposed $11 billion settlement with insurance companies that are seeking reimbursement.
CAISO Black Start Project Must Divulge Cost Info
FERC accepted an agreement between CAISO and a Calpine plant to provide black start service, but agreed that more cost information was needed.

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