Petroleum reserves data
This page contains data on New Zealand's oil, natural gas, and LPG reserves. It has been compiled using annual summary reports submitted by permit holders.
On this page I tēnei whārangi
Access the latest data
Access the latest petroleum reserves data, which includes annual data on oil and gas exploration, development, and permitting activity.
Petroleum reserves as at 1 January 2026 [XLSX, 94 KB]
Data from previous updates can be accessed below.
An overview of the latest data can be accessed at the following link. This provides a summary of the latest data and what it is showing.
Petroleum reserves overview – 1 January 2026 [PDF 150KB]
Conditions of use
This work is licensed under a Creative Commons Attribution 3.0 New Zealand Licence. Use of this publication in paper or electronic form implies acceptance of the conditions of its release, which are that if the information is made available to others, its source must be acknowledged as Ministry of Business, Innovation & Employment 2025 or by reference to the publication title and edition.
Disclaimer
Neither the Crown nor any Minister, employee or agent of the Crown:
- warrants the accuracy, completeness or usefulness for any particular purpose of the information contained in this publication in paper or electronic form, or
- accepts any responsibility or liability whatsoever — whether in contract, tort, equity or otherwise — for any:
- action taken as a result of reading, or reliance placed because of having read, any part, or all, of the information in this publication (in paper or electronic form), or
- error, inadequacy, deficiency, flaw in or omission from this publication (in paper or electronic form).
Methodology and reference documents
The following document provides an explanation of petroleum reserves data and terms used.
Timing of next release
The timing of the release will be announced in our release calendar.
Previous updates of reserves data
You can download previous updates of this data.
Petroleum reserves as at 1 January 2025 [XLSX, 107 KB]
Petroleum reserves as at 1 January 2024 [XLSX, 114 KB]
Petroleum reserves as at 1 January 2023 [XLSX, 91 KB]
Petroleum reserves as at 1 January 2022 [XLSX, 97 KB]
Petroleum reserves as at 1 January 2021 [XLSX, 101 KB]
Petroleum reserves as at 1 January 2020 [XLSX, 96 KB]
Petroleum reserves as at 1 January 2019 [XLSX, 123 KB]
Petroleum reserves as at 1 January 2018 [XLSX, 163 KB]
Petroleum reserves as at 1 January 2017 [XLSX, 145 KB]
Petroleum reserves as at 1 January 2016 [XLSX, 145 KB]
Petroleum reserves as at 1 January 2015 [XLSX, 149 KB]
Petroleum reserves as at 1 January 2014 [XLSX, 82 KB]
Gas reserves data prior to 2014
Prior to 2014, information on gas reserves was collected annually from petroleum permit holders but was not regularly published in Excel files. The below Excel file contains 2P gas reserves data for 1 January 2005 to 1 January 2013 inclusive.