Members of the Energy Imbalance Market (EIM) saw increased savings and profits with the addition of Puget Sound Energy and APS.

CAISO rang in 2016 with a strong push to expand its EIM into PacifiCorp’s sprawling service territory, but the project hit a stumbling block by mid-year.

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.

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.

The entry of Arizona Public Service and Puget Sound Energy into the Western Energy Imbalance Market went off without a hitch, according to CAISO.

Arizona Public Service and Puget Sound Energy began transacting in the Western Energy Imbalance Market (EIM) on Oct. 1, bringing the region’s only real-time market up to five members.

FERC approved the Macquarie Energy (ASX:MQG) request to revise its market-based rate tariff to allow the company to engage in short-term simultaneous transactions along a key Pacific Northwest transmission system.

Arizona Public Service and Puget Sound Energy have met the milestones to participate in the CAISO-run Western EIM and will begin trading in the market on Oct. 1.

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