16 | Futureproofing region’s electricity Aurora Energy’s project manager Ben Bulling. Aurora Energy: Frankton Substation Upgrade T T Karen Phelps “It’s essential the power system can meet future demand for electricity in the Queenstown and Wakatipu region, which continues to grow.” REGIONAL DEVELOPMENT Otago-based energy company Aurora Energy is implementing a comprehensive programme of upgrades and investments to support Queenstown’s growing population and decarbonisation goals. Aurora Energy’s project manager Ben Bulling says the company is investing over $500 million across the region to ensure the network is resilient and can support the future demand for electricity, which is expected to grow significantly as the region transitions away from fossil fuels. “It’s essential the power system can meet future demand for electricity in the Queenstown and Wakatipu region, which continues to grow,” says Ben. One key project has passed a major milestone and is nearing completion. In December 2024, a new 24 MVA transformer was commissioned, replacing a previous 15 MVA unit, and will complement a second existing 24 MVA transformer on the site. The transformers have been designed to meet the region’s future needs. A protection upgrade has been completed on the new transformer and will also take place on the existing transformer to finish the project. “These two transformers will provide 24 MVA of capacity and enhanced security for customers in the Frankton area,” Ben explains. Aurora Energy is also undertaking a comprehensive upgrade of the Queenstown zone substation. The project involves constructing a new control room and switchgear building, installing modern, indoor 11 kV switchgear, and reinforcing electrical protection and control systems. The work, strategically phased between 2023 and mid-2025, aims to future-proof the electricity network for the community. Ben says the substation, which supplies over 2600 customers in Queenstown and Glenorchy, is a crucial switching station connecting multiple key infrastructure points. Mark Pratt, GM customer & connections, mentioned another recent and significant project was the Arrowtown 33 kV cable upgrade. This project addressed the limited electricity supply options for Arrowtown, Arthurs Point, Coronet Peak, and surrounding areas. The new cable provides increased capacity, greater supply security, and reduced outage risks, particularly for critical infrastructure like ski fields. Mark says the projects are not just about managing existing assets, but also planning for future demand growth driven by population increases and decarbonisation efforts. For example, the neighbouring BP Frankton power supply has been upgraded to support their new fast chargers, and Queenstown Airport is undertaking a decarbonisation programme, which will also require drawing down additional energy. “Aurora Energy’s projects will also support critical infrastructure, such as the airport and events centre, so the more robust power supply we can have the better it is for the community,” he says. Mark emphasises the broader vision behind these investments. “The upgrades enable Queenstown to enhance its green tourism credentials by enabling electric vehicles and low carbon heating, as well as reduce the potential threat to our tourism industry that could result from significant unplanned power outages,” he says. Looking ahead, Aurora Energy is collaborating with Transpower on a regional electricity development plan that will assess electricity capacity requirements for Queenstown through to 2050. As a wholly owned subsidiary of Dunedin City Holdings Limited, Aurora Energy operates under the regulation of the Commerce Commission and Electricity Authority. With a network that delivers power to over 200,000 people across Dunedin Central Otago, Wānaka and Queenstown, Ben says that Aurora Energy is positioning itself at the centre of a dynamic, flexible energy system. “Our work ensures that as the region grows and transitions towards a more sustainable future, the electricity infrastructure will be ready to support this transformation.” Discover The Ultimate Power Solutions Up-to 400MVA & 500kV Power Transformer Crafted with The Latest and Advanced Technology www.elsewedyelectric.com @elsewedyelectricindonesia Elsewedy Electric Indonesia
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