High polypropylene margins are now the norm and ample propylene supply will support expansions, so where are the polypropylene announcements?The North American polypropylene industry is going through several fundamental changes. For the first time in the last decade, the industry is observing sustained low inventories and record high profit margins. In addition, the region is transitioning from a net-exporting region to a net-importing region. Low inventories, record high margins and net-importing regional dynamics indicate that a major transformation is in store for regional polypropylene industry. This insight explores how the new lows in energy prices and a propylene surplus are likely to impact the regional polypropylene industry in the years to come.