Business Directory Return to Listing ShareTweetUmatilla Electric Cooperativehttp://www.umatillaelectric.com750 W. ElmHermiston, OR 97838541-567-6414AboutHours of Operation7:30 am - 6 pm Monday-ThursdayNewsUEC and HES Work with Amazon Web Services to Support the Umatilla-Morrow CommunityPublic Utilities Member Directory | Calendar of Events | Member Account | Community Calendar of Events | Job Search | Member Promotions | News | Request for Information