Refurbishing the Pacific HVDC Intertie

The development of the Pacific HVDC Intertie (PDCI) is traced from inception in the 1960s to present day. The PDCI has undergone a number of changes and upgrades over the 37 years since its initial construction. Planning for major renovation and rebuilding of the Intertie is discussed together with recent changes. Many of the changes in the intertie reflect concurrent advances in HVDC technology.