on 18 december 2015, trustpower announced that it was considering a process to demerge its wind assets in australia and new zealand, separating into two new zealand incorporated listed companies by way of a court-approved scheme of arrangement. the demerger, effective on 31 october 2016, resulted in the creation of two new companies, trustpower and tilt renewables. the demerger enables each business to focus on their respective areas of specialisation.