Electricity generation from fossil fuels, nuclear and renewables in New Zealand
New Zealand: Electricity generation from fossil fuels, nuclear and renewables was 4.97 terawatt-hours in 2025. ▼ Falling
Electricity generation from fossil fuels, nuclear and renewables in New Zealand, 2000–2025
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 from fossil fuels, nuclear and renewables in New Zealand is 4.97 terawatt-hours, measured in 2025.
That represents a change of down 19.4% on the previous year and down 42.7% over ten years.
Over the whole period, electricity generation from fossil fuels, nuclear and renewables in New Zealand peaked at 15.52 terawatt-hours in 2008 and was at its lowest, 4.45 terawatt-hours, in 2023.
New Zealand ranks 88th of 208 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 26 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 13.58 terawatt-hours | 10.99 terawatt-hours | 15.52 terawatt-hours | 10 |
| 2010s | 9.34 terawatt-hours | 6.76 terawatt-hours | 12.37 terawatt-hours | 10 |
| 2020s | 6.25 terawatt-hours | 4.45 terawatt-hours | 8.27 terawatt-hours | 6 |
Countries ranked near New Zealand
More reference data data for New Zealand
- Spring temperature anomalies 0.2008 °C (2026)
- Summer temperature anomalies 1.76 °C (2026)
- Temperature anomalies by month 0.0464 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.5251 °C (2025)
- Winter temperature anomalies 0.5536 °C (2025)
- Consumer price index 144.86 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is electricity generation from fossil fuels, nuclear and renewables in New Zealand?
- Electricity generation from fossil fuels, nuclear and renewables in New Zealand was 4.97 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 from fossil fuels, nuclear and renewables recorded in New Zealand?
- The highest recorded value was 15.52 terawatt-hours in 2008.
- What is the lowest electricity generation from fossil fuels, nuclear and renewables recorded in New Zealand?
- The lowest recorded value was 4.45 terawatt-hours in 2023.
- How does New Zealand rank for electricity generation from fossil fuels, nuclear and renewables?
- New Zealand ranks 88th out of 208 countries with data for 2025.
- Is electricity generation from fossil fuels, nuclear and renewables rising or falling in New Zealand?
- Over the last ten years it is down 42.7%. The long-run trend across the full record is falling.
- 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 from fossil fuels, nuclear and renewables. Statizoid updates them automatically from the source API.
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CSV · JSON — 26 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Electricity generation from coal, oil, and gas, measured in terawatt-hours.