Energy West, Incorporated Claim Listing Return to Directory Rating (average) (0) Business Genre Electric, Utility Business Website Address ewst.com Business Address, City 2320 Mountain View Dr, Great Falls ZIP Code 82414 Business Phone Number 4067917500 Business Fax 3075874563 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?