Powerex Slated to Become First Non-US EIM Member May 31, 2017By Robert MullinPowerex has signed an agreement with CAISO to become the first non-U.S. participant in the Western Energy Imbalance Market (EIM). | Kootenay Canal Generating Station image courtesy of BC Hydro Tell us who you are,get 2 free articles each month. What do you want to know?Want a free trial instead? Click here.Already convinced? View pricing and plans.Already a subscriber? Log in here. Additional news on this topic:FERC Approves Powerex EIM AgreementFERC approved CAISO’s agreement for integrating Canadian power marketer Powerex into the EIM.Wary FERC Approval for Powerex EIM AgreementFERC staff have accepted CAISO’s implementation agreement for Powerex to join the EIM but cautioned that the arrangement could be subject to further scrutiny.Seattle City Light Signs EIM Membership AgreementSeattle City Light has signed an agreement with CAISO to begin participating in the Western Energy Imbalance Market in April 2019.