Increased labor costs from the expanding EIM helped push up CAISO’s 2018 revenue requirement by $1.9 million to $197.2 million.

PacifiCorp and NV Energy can sell power into the Western Energy Imbalance Market (EIM) at market-based rates, FERC has ruled.

CAISO has proposed to change the selection process for members of the Western Energy Imbalance Market (EIM) Governing Body to rely less on outside firms.

Energy storage can provide many benefits to the Western electricity grid, but it will require complex and costly modeling to be integrated properly.

The CAISO-run Western EIM has increased the operational flexibility of the region’s utilities, panelists said at the Infocast Transmission Summit West.

The fate of the West’s coal-fired power was already sealed prior to the EPA announcement that it will seek to repeal the Clean Power Plan (CPP).

FERC issued CAISO-related rulings on PG&E, Portland General Electric and Aliso Canyon.

California’s scorching heat pushed CAISO day-ahead energy prices to record highs in the second quarter after market mitigation measures unexpectedly failed.

CAISO is dropping a handful of proposed enhancements to the EIM less than two months before the board is slated to review a broader package.

FERC approved CAISO’s agreement for integrating Canadian power marketer Powerex into the EIM.