Table 1: Net Electricity Generation by Fuel Types (GWh)

Source: New Zealand Ministry of Economic Development (MED)

Calendar Year or Quarter Hydro Geothermal Oil Coal Gas Biogas Waste heat Wood Wind Total
1975 Mar 3,242 318 236 248 11 2 5 77 0 4,138
Sep 4,842 349 308 275 7 13 13 77 0 5,883
1980 Mar 4,351 288 -3 77 185 14 13 77 0 5,000
Sep 5,359 318 -7 154 496 14 13 77 0 6,422
1985 Mar 4,726 291 8 178 928 26 15 84 0 6,256
Sep 5,318 314 12 241 1,623 26 17 84 0 7,636
1990 Mar 5,230 501 0 173 1,150 26 15 84 0 7,179
Sep 6,541 574 3 199 1,201 35 17 84 0 8,654
1995 Mar 6,088 515 0 309 1,023 41 15 84 0 8,075
Sep 7,047 527 15 69 1,715 44 17 84 0 9,518
2000 Mar 5,589 658 0 285 2,046 26 143 107 11 8,865
Sep 6,577 734 0 229 2,412 27 157 119 38 10,293
2001 Mar 5,895 658 0 205 2,162 24 141 106 34 9,226
Sep 5,645 691 0 367 2,984 26 159 87 35 9,996
2002 Mar 5,827 608 0 217 2,132 30 132 92 34 9,072
Sep 6,983 715 0 237 2,456 32 185 103 41 10,751
2003 Mar 5,630 659 0 623 2,353 30 93 78 34 9,500
Sep 6,076 680 0 890 2,855 34 128 109 33 10,805
2004 Mar 6,740 608 0 556 1,648 32 185 118 43 9,930
Sep 7,709 691 1 1,088 1,462 29 154 116 86 11,336
2005 Mar 6,250 664 1 678 1,704 22 125 117 149 9,710
Sep 5,666 687 0 1,590 2,561 27 148 128 151 10,958