Total coal consumption in New Zealand

Excluding energy transformation, 1993–2023, kilotonnes

The following information applies to all values in the table. Fuel type: Coal, Measure: Consumption, Activity: Total, Rank: Total, Mining method: Total
Year	Tonnes
1993	1,315,070.8032
1994	1,261,475.5712
1995	1,131,910.5136
1996	1,095,775.2196
1997	1,056,972.83072
1998	1,000,693.71072
1999	897,745.5259598
2000	906,398.0474038
2001	1,085,903.671235
2002	1,121,700.407868
2003	1,348,995.678076
2004	1,077,239.331304
2005	1,033,289.589048
2006	1,100,980.011209
2007	1,194,789.450576
2008	1,264,444.23205
2009	1,064,825.775269
2010	1,145,488.972057
2011	1,134,265.173342
2012	1,197,401.253587
2013	1,248,323.826178
2014	1,249,762.650021
2015	1,252,144.42121
2016	1,136,616.282004
2017	1,145,657.060602
2018	1,180,308.653442
2019	1,150,607.429559
2020	1,039,907.916217
2021	1,029,062.975602
2022	988,485.2603332
2023	889,358.9652125

Definitions

Coal supply: production of coal plus imported coal, minus exported coal and stock change.
Energy transformation: the conversion of primary energy to more useful forms of energy. It includes activities such as electricity generation, oil refining, and other transformation (including coal used for steel manufacturing) as well as losses.
Consumer energy demand: includes all energy used by final consumers. It does not include energy transformation.

FIELDS
Information about coalfields in New Zealand can be found here: http://www.nzpam.govt.nz/cms/investors/our-resource-potential/minerals/coal/operating-coal-mines

RANK
Bituminous coal (black coal): a relatively soft coal containing a tarlike substance called bitumen. It is of higher quality than lignite coal but of poorer quality than anthracite.
Sub-bituminous coal: a type of coal whose properties range from those of lignite to those of bituminous coal and are used primarily as fuel for steam-electric power generation.
Lignite (brown coal): a soft brown combustible sedimentary rock formed from naturally compressed peat. It is considered the lowest rank of coal due to its relatively low heat content.

MINING METHOD
Opencast: Open-pit mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.
Underground: Sub-surface mining consists of digging tunnels or shafts into the earth to reach buried ore deposits.