Printed from https://fyi.org.nz/request/33377-golden-triangle-electrification-detailed-business-case-aka-gtep-dbc on December 28, 2025 03:40

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Golden Triangle Electrification Detailed Business Case aka GTEP DBC

Bob made this Official Information request to KiwiRail

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From: Bob

Dear KiwiRail,

I am a member of the public requesting the detailed business case conducted by KiwiRail "to identify the best pathway to decarbonise the KiwiRail freight lines between Auckland and Tauranga through transitioning from diesel to electric locomotives over the next two decades", as part of the Golden Triangle Electrification Project, also known as the GTEP for short.

I am fully aware that this request may not be able to be fulfilled if work is still underway to prepare the document for release.

Yours faithfully,

Bob

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KiwiRail

Thank you for contacting KiwiRail.
If you are reporting an emergency or urgent safety risk, please call our
Emergency line on 0800 808 400.
For other enquiries, we will be reviewing this inbox periodically over the
Christmas break and will endeavour to get in touch with you as soon as
possible. However, for non-urgent enquiries, we may not be able to respond
to you until after 5 January.
Warm regards,
KiwiRail

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KiwiRail

Good morning Bob

We have proactively published the detailed business case - this can be found here https://www.kiwirail.co.nz/who-we-are/su...

Please note this project has also be included as part of the Infrastructure Priorities Programme - information on this can be found here - https://insights.tewaihanga.govt.nz/insi...

Please get in touch if you have any further questions.

Kind regards

Dave

Dave Allard  | Senior Government Relations Advisor
DDI: 027 201 8182
Level 4, Wellington Railway Station, Bunny Street, Wellington 6011 | PO Box 593, Wellington 6140, New Zealand

www.kiwirail.co.nz

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From: Bob

Good evening Mr. Allard

Thank you for replying to my OIA request during this extremely busy time of the year. However, the documents found on the North Island Decarbonisation Study page on the KiwiRail website are only the IBC (indicative business case) and its peer review report, not the detailed business case that I referred to in my initial message. According to a document (link given below) that was presented to the Waikato Regional Council in September of this year, this detailed business case is set to be completed by the end of 2025. Am I able to attain a copy of this document for release, or is it still under internal review?

https://core.opentext.eu/pdfjs/web/viewe...

Yours sincerely,

Bob

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