Electricity information is collected from a number of sources including Statistics New Zealand, the Electricity Authority, and generators. Some generator supplied information is collected only on a March year basis so figures for the most recent year will always be provisional estimates. Values include generation from cogeneration plants. One gigawatt hour is 0.0036 Petajoules (PJ).
New Zealand uses coal as a primary energy source, and in 2024, around **** thousand gigawatt hours of electricity were produced from coal power plants in the country. While some coal is imported, most of the coal needed by the nation is mined from the many coalfields located throughout the country.Â
New Zealand coal
As of 2023, New Zealand had ***producing coal mines, with the major coalfields located in the West Coast, Waikato, Southland, and Otago. The country requires coal for fueling industrial processes, particularly in the South Island, where there is no piped gas system. Domestically extracted coal is converted to energy and used to produce cement, steel, and wool.
Energy from coal
New Zealand produces millions of metric tons of coal annually. A portion of this coal is exported, although that volume had been declining over the years. Coal accounted for just over percent of the energy supply in the country. Other than coal, New Zealand has a wide range of energy resources, many of which are renewable. In fact, New Zealand has one of the highest renewable energy shares of its total energy in the OECD.
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MBIE (New Zealand). (June 12, 2025). Electricity generation from coal in New Zealand from 2015 to 2024 (in gigawatt hours) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 27, 2026, from /statistics/715879/new-zealand-coal-electricity-generation/
MBIE (New Zealand). "Electricity generation from coal in New Zealand from 2015 to 2024 (in gigawatt hours)." Chart. June 12, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 27, 2026. /statistics/715879/new-zealand-coal-electricity-generation/
MBIE (New Zealand). (2025). Electricity generation from coal in New Zealand from 2015 to 2024 (in gigawatt hours). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 27, 2026. /statistics/715879/new-zealand-coal-electricity-generation/
MBIE (New Zealand). "Electricity Generation from Coal in New Zealand from 2015 to 2024 (in Gigawatt Hours)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 12 Jun 2025, /statistics/715879/new-zealand-coal-electricity-generation/
MBIE (New Zealand), Electricity generation from coal in New Zealand from 2015 to 2024 (in gigawatt hours) ÌÇÐÄÆÆ½â°æ, /statistics/715879/new-zealand-coal-electricity-generation/ (last visited July 27, 2026)
Electricity generation from coal in New Zealand from 2015 to 2024 (in gigawatt hours) [Graph], MBIE (New Zealand), June 12, 2025. [Online]. Available: /statistics/715879/new-zealand-coal-electricity-generation/