Energy Imbalance Market

Puget Sound Energy announced March 5, 2015, that it will participate in an Energy Imbalance Market (EIM) operated by the California Independent System Operator (ISO) effective Oct. 1, 2016.

Information for transmission customers and stakeholders

Puget Sound Energy will initiate a stakeholder process for its transmission customers and other stakeholders relating to the Energy Imbalance Market. As it's initiated, announcements for stakeholder sessions and other key dates for Puget Sound Energy's stakeholder process can be found on the OASIS website:

Additional information regarding the EIM can be found on the California ISO website:


eim map