California Independent System Operator (CAISO)

Monitor, Stakeholders Question EIM Changes
CAISO's Monitor said the ISO must address flaws in its proposal to allow third-party transmission providers to make unused capacity available to the EIM.
Calif. Utilities Say Data Bill Poses Security Risk
California utilities and business groups are opposing a state bill that would increase the amount of publicly available data about electricity consumers.
Better DER Approach Needed, Calif. Agencies Told
The growth of distributed energy resources and energy storage in CAISO will require new approaches and better coordination between system operators.
California High Court Upholds Cap-and-Trade
The California Supreme Court declined to review a challenge of the state’s greenhouse gas cap-and-trade program.
Storage Advocates Urge CAISO on DR Product
Tesla and other energy storage companies have urged CAISO to accelerate development of a new demand response product that is based on excess generation.
Study to Weigh Aliso Canyon Shutdown
California regulators advanced on a plan to study the potential for eliminating the Aliso Canyon natural gas storage facility.
CAISO Seeks to Drop Outdated Planning Role
CAISO last week proposed to eliminate from its Tariff an annual state transmission concept plan that it says is obsolete due to FERC Order 1000.
CAISO Proposal Would Permit ‘Economic’ Outages
A CAISO proposal released would allow power producers to temporarily suspend the operations of unprofitable generators not needed for system reliability.
Western Utilities Bought 3X Planned Wind, Study Says
A Department of Energy study found that Western U.S. utilities procured three times more wind capacity than planned in 2003-2014.
Consolidated EIM Proposal Effort Gets Underway
CAISO has begun seeking comment from participants in the Western Energy Imbalance Market on three modifications it’s proposing to make to the market.

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