BPA to complete EIS of I-5 Corridor Reinforcement Project by end-2015 March 20, 2015 | North America News The Bonneville Power Administration (BPA) has announced that it plans to complete the environmental impact statement (EIS) of its I-5 Corridor Reinforcement Project by the end of this year. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password