Electricity generation in New Zealand
New Zealand: Electricity generation was 43.34 terawatt-hours in 2025. ▲ Rising
Electricity generation in New Zealand, 1985–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for electricity generation in New Zealand is 43.34 terawatt-hours, measured in 2025.
The figure is down 1.5% on the previous year and down 0.5% over ten years.
Over the whole period, electricity generation in New Zealand peaked at 44.31 terawatt-hours in 2010 and was at its lowest, 28.46 terawatt-hours, in 1985.
New Zealand ranks 61st of 214 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 41 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 30 terawatt-hours | 28.46 terawatt-hours | 31.36 terawatt-hours | 5 |
| 1990s | 35.57 terawatt-hours | 32.61 terawatt-hours | 37.96 terawatt-hours | 10 |
| 2000s | 41.63 terawatt-hours | 38.91 terawatt-hours | 43.39 terawatt-hours | 10 |
| 2010s | 43.54 terawatt-hours | 42.7 terawatt-hours | 44.31 terawatt-hours | 10 |
| 2020s | 43.4 terawatt-hours | 42.89 terawatt-hours | 44.01 terawatt-hours | 6 |
Countries ranked near New Zealand
More energy & mining data for New Zealand
- Fuel imports 12.0% (2025)
- Ores and metals imports 2.1% (2025)
- Ores and metals exports 3.2% (2025)
- Gas production 35.27 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 6,765 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 35.27 terawatt-hours (2024)
- Gas production per person 6,765 kilowatt-hours per person (2024)
- Fuel exports 0.9% (2025)
- Electric power transmission and distribution losses 6.7% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 56.8% (2023)
Frequently asked questions
- What is electricity generation in New Zealand?
- Electricity generation in New Zealand was 43.34 terawatt-hours in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest electricity generation recorded in New Zealand?
- The highest recorded value was 44.31 terawatt-hours in 2010.
- What is the lowest electricity generation recorded in New Zealand?
- The lowest recorded value was 28.46 terawatt-hours in 1985.
- How does New Zealand rank for electricity generation?
- New Zealand ranks 61st out of 214 countries with data for 2025.
- Is electricity generation rising or falling in New Zealand?
- Over the last ten years it is down 0.5%. The long-run trend across the full record is rising.
- Where does this New Zealand data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Electricity generation. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 41 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Total electricity generated in each country or region, measured in terawatt-hours.