CAISO/WEIM

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The CREPC-WIRAB spring meeting focused on regional markets and transmission planning in the West, including FERC's recent transmission planning NOPR.

The Western EIM took on BPA and Tucson Electric Power as new participants, marking the market’s largest single expansion since its founding.

For a moment on April 30, CAISO was able to serve 99.87% of its native load with renewable energy, beating the 97.6% record set just a month earlier.

CAISO issued a straw proposal for its extended day-ahead offering in the Western Energy Imbalance Market, a renewed effort at greater Western regionalization.

Nevada is poised to be at the center of a robust and interconnected Western transmission system, but the state must move quickly, a new task force chair says.

A group of Western utilities plans to help SPP develop its Markets+ program in the West and to examine the benefits of joining it or CAISO's day-ahead market.

A Seattle-based wind developer is proposing to build what would be Washington's first floating offshore wind farm.

CAISO's Western Energy Imbalance Market surpassed $2 billion in total member benefits only 20 months after hitting the $1 billion mark in 2020.

FERC ordered six more entities to refund the premiums they earned from sales into CAISO during the severe heat wave of August 2020.

FERC reversed a decision that allowed CAISO to include an adder in the formula for offers that exceed the soft cap for its capacity procurement mechanism.