The CAISO internal Monitor is proposing new enforcement measures to address market power concerns in the Energy Imbalance Market.

The Western Energy Imbalance Market governing body voted to implement procedures to ensure market participants have input into CAISO policy initiatives.

Tucson Electric could become the latest Western utility to lose authorization to sell electricity at market-based rates within its balancing authority area.

The Seattle City Council authorized Seattle City Light to conduct a cost-benefit analysis on joining the Western Energy Imbalance Market (EIM).

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.

The Sacramento Municipal Utilities District (SMUD) will join the Western EIM in spring 2019 at the earliest, according to the head of BANC.

CAISO is seeking stakeholder input on how to respond to a solar eclipse that will significantly curtail output from California’s growing solar generation portfolio next August.

The Sacramento Municipal Utility District will join the CAISO EIM and other members of the Balancing Authority of Northern California (BANC) may follow.

More changes are needed to the CAISO proposed rules for a Western RTO to win approval from the states in which PacifiCorp operates, stakeholders say.