New Zealand Energy Quarterly
The New Zealand Energy Quarterly provides quarterly data and analysis on energy supply, demand, prices and associated greenhouse gas emissions. This page has the current edition.
On this page
Current Energy Quarterly publication
The current edition of Energy Quarterly is for the April to June quarter (Q2) 2025. It was released on 11 September 2025. The next Energy Quarterly will be released on 11 December 2025.
Main highlights for this quarter
- Hydro generation was down 6.8% from the June 2024 quarter, with lower hydro storage in April contributing to this.
- Additions to geothermal generation capacity over the past year saw geothermal generation hit 2,471 GWh in the June 2025 quarter, up 12.6% from the June 2024 quarter. Wind generation was also up 17.6%, while capacity additions contributed to a 48.7% increase in generation from solar.
- The combination of increased generation from renewable sources and lower electricity demand saw generation from gas and coal generation down 0.9% and 38.3% respectively. The share of electricity generation from renewable sources increased 2.7 percentage points to 84.1%.
- Coal imports increased from 71.5 kilotonnes in the June 2024 quarter to 539 kilotonnes in the June 2025 quarter as shipments of coal arrived in the country to increase the stockpile for electricity generation.
- National electricity consumption fell 4.0% from the June 2024 quarter. Contributing to this was lower electricity use by New Zealand Aluminium Smelters due to its demand response agreement being in effect.
- Residential electricity consumption was also down 4.0% on the previous June quarter, which had seen increased electricity use due to a cold snap in May 2024.
- Total gas use in the economy was down 19.8%, with the quarter seeing Methanex pausing operations at its Motunui facility for 8 weeks to free up gas for electricity generation.
- Petrol and diesel prices fell due to decisions by OPEC+ to increase their output, along with the removal of the Auckland Regional Fuel Tax on 30 June 2024. Petrol prices decreased 10.3% to 255 cents per litre, and diesel retail prices decreased 14.4% to 181 cents per litre.
Read the summary for this quarter
New Zealand Energy Quarterly June 2025 summary
Read the media release for this quarter
Geothermal keeps renewable electricity generation high despite hydro dip
Access the data
For more detailed data, see the relevant page:
In this section I tēnei wāhanga
Previous Energy Quarterly editions
You can view previous years' editions of the New Zealand Energy Quarterly here.
This work is licensed under a Creative Commons Attribution 3.0 New Zealand Licence(external link).
Last updated: 11 September 2025