Oregon LNG has started its campaign for construction permits for a bi-directional import-export facility in Warrenton.

The developer has applied to begin the pre-filing process next week for a two-train, 9 million tonnes per annum production element.

The company also said it plans to apply to amend its prior permit for a regas terminal at the site. It wants to drop one of three planned storage tanks and cut vaporisation capacity from 1.5