Dunedin City Holdings Ltd
Aurora Energy Limited is the electricity network energy division of Dunedin City Council, wholly owned and operated by Dunedin City Holdings Ltd.
Delta Utility Services Ltd
Delta is the infrastructure specialist. They invest in, design, construct, manage and maintain energy and environmental infrastructure in the central Otago region and Dunedin City especially for Aurora Energy's network. Although, they don't just work for Aurora, they also work for Network Tasman in the Tasman region and Wellington Electricity in Wellington City.
Official webpage: https://www.auroraenergy.co.nz/
Delta Utility Services: https://www.thinkdelta.co.nz/