CAISO is developing a plan for an Aug. 21 solar eclipse that will sharply reduce the state's solar power for three hours on a Monday morning in summer.

The CAISO Board of Governors approved an ISO request to designate two Calpine natural gas-fired plants as reliability-must-run (RMR) despite criticism.

The CAISO Board of Governors approved a measure investing the board with complete oversight authority over the grid operator’s internal Market Monitor.

The CAISO Board approved a generator interconnection plan designed to prevent smaller transmission owners from footing the costs for network upgrades.

CAISO may curtail a massive amount of renewable energy this spring when increased solar output is expected to coincide with increased hydropower.

The CAISO Board of Governors approved the membership of GridLiance after their purchase of the Valley Electric Association’s 230-kV transmission network.

The Western Energy Imbalance Market featured prominently in two proposals approved by the CAISO Board of Governors during its Dec. 15 meeting.

The CAISO Board of Governors approved a 2017 budget that includes a $4.3 million increase in spending but no corresponding rise in revenue requirement.

The CAISO Board of Governors voted to expand the definition of a “load-serving entity” to include the San Francisco BART and other organizations.

CAISO last week released the third draft of a proposal outlining the principles intended to underpin the governing framework for a Western RTO.