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Kowhai Park opens in New Zealand with 150 MW AC solar capacity

Lightsource bp reports an October 15 opening after commissioning began in August. Expected annual generation and household equivalence are estimates, while industrial customers have power purchase agreements.

By Greener Numbers Editorial Team · Published October 15, 2026 · Updated 10/15/2026

Lightsource bp announced the official opening of Kowhai Park at Christchurch Airport on October 15, 2026. The developer reports 150 megawatts of AC capacity and 168 MW of DC capacity for the New Zealand solar farm. Those are two ratings of the same installation, not separate projects whose capacity should be added together.

The project was developed through a joint venture between Contact Energy and Lightsource bp. The release says commissioning began in August 2026 and identifies October as the official opening. That chronology matters: an opening ceremony is not evidence that all construction, commissioning and first generation happened on the announcement date.

The partners expect the farm to generate 275 gigawatt-hours of electricity per year. They compare that with the annual electricity demand of about 36,000 homes. Both are annual estimates; neither implies that those homes receive dedicated power from the site or that the plant supplies a constant 150 MW around the clock.

Christchurch Airport and Synlait will source electricity from the farm through long-term power purchase agreements, according to the release. Synlait will buy 25 percent of the electricity generated for its Dunsandel and Dairyworks sites. The announcement does not disclose the contract price or establish what every nearby household will pay for electricity.

The developer describes approximately 300,000 panels across a 230-hectare site. It says construction employed 235 people at its peak and involved 66 Canterbury businesses. Peak construction employment is a historical project measure, not a count of permanent jobs or current vacancies at the operating solar farm.

The partners describe the project as support for industrial electrification and New Zealand's electricity supply. The published capacity and expected annual output explain its scale, but do not by themselves establish a specific emissions reduction or household saving. Operational generation, contract terms and system conditions need their own evidence when assessing those outcomes.

Official source: lightsourcebp.com ↗