Energy Imbalance Market

Map of California ISO, PacifiCorp and Western Electricity Coordinating Council

News release
PacifiCorp and the California Independent System Operator launched the Energy Imbalance Market on November 1, 2014. The real-time market is the first of its kind in the West.

Energy Imbalance FAQs and Fact Sheet
PDF Frequently Asked Questions
PDF Fact Sheet

PDF Quarterly Informational Benefits Report
The benefits report released on February 11, 2014 showed the EIM produced estimated benefits of $5.97 million in the market’s two months of operation. This is in line with the prelaunch study (PDF) that found annual benefits would range from $21 million to $129 million. See news release (PDF)

PDF Implementation Agreement
On July 3, 2013, the Federal Energy Regulatory Commission (FERC) approved the implementation agreement between the California ISO and PacifiCorp that establishes the scope and schedule for a variety of tasks the parties will undertake to launch an energy imbalance market.

Information for transmission customers and stakeholders
PacifiCorp has initiated a stakeholder process for its transmission customers and other stakeholders relating to the Energy Imbalance Market. Information on announcements for stakeholder sessions and other key dates for PacifiCorp’s stakeholder process can be found on PacifiCorp’s Open Access Same-Time Information System (OASIS).

For more information, visit the ISO website

PacifiCorp and the ISO received a UVIG 2015 Achievement Award for leadership in the design, development and deployment of the energy imbalance market. Learn more