CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)Other CAISO CommitteesWestern Energy Imbalance Market (WEIM)WEIM Governing Body
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.
The California PUC awarded Pacific Gas and Electric more than $1 billion in wildfire mitigation costs despite opposition from its own Public Advocates Office.
Last September, California residents helped the state avert rolling blackouts by acting on an emergency text. What does that mean for RA planning?
CAISO began a new stakeholder process to achieve "transformative improvements" to its overloaded interconnection queuing and management processes.
Legislators ended the session by passing bills related to IRPs for electric and gas utilities and a bill creating a zero-emission truck incentive program.
FERC partially approved Public Service Company of Colorado's rules to streamline interconnection by limiting the number of speculative projects in the queue.
FERC on Thursday approved energy storage and reliability improvement rules that help ensure CAISO will be able to meet needs.
CAISO’s Western Energy Imbalance Market yielded members $418.82 million in economic benefits during the first three months of 2023, a first-quarter record.
A bill to strengthen the IRP process for Nevada utilities and require them to increase their energy independence has emerged late in the legislature’s session.
FERC approved changes to WEIM's resource sufficiency evaluation, including allowing transfers to members that fail to meet their RSE obligations.
Minesweeper, CC BY-SA 3.0, via Wikimedia Commons
FERC approves Pacific Gas and Electric’s transaction to spin off its non-nuclear generation — more than 5,000 MW — to new subsidiary Pacific Generation.
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