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Giant step forward for Christchurch Airport’s renewable energy precinct


Christchurch Airport’s renewable energy precinct, Kōwhai Park has taken a giant step closer to reality.

After a year-long process, that attracted interest from organisations across the globe, the airport has chosen one of New Zealand’s largest energy companies, Contact Energy, and international solar developer, Lightsource bp, as its partners to deliver phase one of the park.

The first stage of the park will consist of a solar farm that will span around 300-hectares on land just behind the airport’s runways.

Kōwhai Park is expected to be the first of a number of planned solar farms for the Lightsource bp and Contact Energy partnership in New Zealand.

Christchurch Airport chief executive Justin Watson says this marks a major milestone for Kōwhai Park which is an important project for Canterbury and New Zealand.

He enthused: “Kōwhai Park will enable low emissions aviation and help provide the extra green energy New Zealand needs to transition away from fossil fuels. We’re excited to have found partners with the technical capability to do this well and the values to ensure it’s done right.

“Our goal is to ensure Kōwhai Park is ready to provide the large amount of green energy these new aircraft will need. This starts with the solar farm but we’re working to include green hydrogen generation down the track.

“This is an exciting time for aviation – zero and low emission aircraft are not far away. Our job is to do all we can to ensure they can take off as soon as possible.”

With around 300,000 solar panels, Kōwhai Park’s solar farm will be among the largest in New Zealand and, if all goes to plan, in time, the park will be home to green hydrogen generation and able to meet the needs of high users of energy, like vertical farms and data centres.

The expected 150MW (or 170MWp) array will generate 290 GWh per year. This is equivalent to the annual demand of approximately 36,000 homes or approximately half of Christchurch’s domestic flights being converted to low-emission technologies.

It will have the same carbon benefit as planting around 1.25 million native trees and shrubs.

Contact Energy CEO, Mike Fuge, said: “We’ve committed to creating up to 380,000 megawatt hours of grid-scale solar generation by 2026, this project will deliver over half of that.

“We’re bringing our proven track record of delivering domestic renewable projects in order to meet the massive anticipated demand for renewable electricity in New Zealand. Subject to a final investment decision, all going well construction will begin in 2024.

“As a partnership we are looking forward to working on Kōwhai Park Christchurch Airport to achieve our environmental aspirations and deliver on our commitment to lead New Zealand’s decarbonisation.”

While Lightsource bp’s managing director for Australia and New Zealand, Adam Pegg, noted:  “We’re delighted to launch our first project in New Zealand and to be partnering with organisations who, like us, want to play a leading role in New Zealand’s decarbonisation.

“Lightsource bp has a strong international track record of successfully delivering utility scale solar projects, and with our partners at Contact Energy we look forward to working closely with Christchurch Airport on the development, construction and operation of Kōwhai Park.”

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