Increased transfer capacity is keeping a lid on congestion in the EIM and limiting participants’ ability to wield market power, according to CAISO’s IMM.

PacifiCorp reaped well more than half the $26.16 million in gross benefits yielded by the Energy Imbalance Market (EIM) in the third quarter, CAISO said.

Last week's FERC technical conference on the EIM began on a contentious note but concluded with participants understanding each others’ perspectives.

Berkshire Hathaway Energy affiliates NV Energy and PacifiCorp refunded nearly $95K to customers after FERC revoked their market-based rate authority.

Arizona Public Service and Puget Sound Energy have moved a step closer to linking up with CAISO’s Energy Imbalance Market (EIM).

Present and former regulators debated the costs and benefits of rooftop solar and the pros and cons of net metering at the NARUC Summer Meetings.

The western Energy Imbalance Market continued to boost demand for California’s surplus renewable generation last quarter.

Berkshire Hathaway Energy is contesting FERC’s June decision to revoke the ability of the company’s subsidiaries to sell power at market-based rates.

FERC rejected the CAISO proposal to prohibit EIM participants from implementing economic bidding at the market’s external interties.

CAISO's Department of Market Monitoring reported that solar power surpassed wind in 2015, becoming the largest source of renewable generation.