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As of 2023, coal dominated New Zealand's reserves at 7.4 billion short tons recoverable. It also held 0.041 billion barrels of oil and 1.100 trillion cubic feet of gas. Over the last decade, coal reserves declined significantly (-11%). EIA stopped publishing oil and gas proved reserves in 2023; the figures above use the latest archived release, while coal continues to update through 2023.
Oil reserves (2021)
0.04 B bbl
Natural gas reserves (2021)
1.10 TCF
Coal reserves (2023)
7.4 B ST
New Zealand's reserve base was dominated by coal, the most carbon-intensive fossil fuel by energy content. Reserve estimates had trended lower, reflecting extraction outpacing new discoveries.