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Energy in New Zealand The Current Situation and Future Potential Hon Pete Hodgson Minister of Energy to AMI/RSNZ Auckland Energy Symposium Wednesday 28 April 2004 US total consumer energy and GDP 200 Total consumer energy Index: 1980 =100 GDP 1979/80 prices 150 100 50 0 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 NZ total consumer energy and GDP 200 Total consumer energy Index: 1973=100 180 GDP 1995/96 prices 160 140 120 100 80 1973 1975 1977 1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 OECD primary energy intensities 0.6 NZ Japan Australia UK Canada USA (toe/ US $1000 GDP) 0.5 0.4 0.3 0.2 0.1 1973 1978 1983 1988 1993 1998 2003 OECD electricity intensities 7 China Canada 6 New Zealand United States of America PJ/US$Billion GDP 5 Japan 4 3 2 1 0 1981 1991 2001 New Generation Proposals Year Company Plant Name Location Fuel Capacity (MW) 2004 Trustpower Tararua Stage II Tararua Wind 36 MED (Dry Year Reserve) Whirinaki Whirinaki Oil / Distillate 155 Meridian Energy Manapouri Efficiency Improvements Manapouri Hydro 25 Todd Energy Mangahao Hydro Mangahao Hydro 4 Total 2005 220 Genesis Hau Nui Hau Nui Wind 5 Meridian Energy Te Apiti Saddle Road/Tararuas Wind 90 Meridian Energy Manapouri Efficiency Improvements Manapouri Hydro 16 Genesis Huntly GT Huntly Gas 40 Confidential 1 Total 2006 152 Mighty River Power Tuaropaki Power Company Mokai Geothermal 40 Contact Energy Wairakei Binary Wairakei Geothermal 14 Top Energy Ngawha II Ngawha Geothermal 15 Confidential 2 Total 2007 71 Genesis Huntly E3P Huntly Gas Confidential 365 35 Total 400 4 year total 843 Unspecified Orion (Dry Year Reserve) Christchurch Oil / Distillate 20 Electricity Generation Options Total Cost (c/kWh) Potential Capacity (MW) Potential Supply (GWh pa) Gas* 2005-25 6.5 – 8.5 800 5000 Wind 2005-25 6.2 – 6.5 8.5 680 600 2300 1800 Geothermal 2005-25 6.2 600 4800 Hydro 2005-25 7.0 – 8.5 330 1600 Cogeneration 5.0 – 8.5 350 1700 LNG* 9.3 – 11.6 no limit no limit 7.6 – 8.6 9.8 – 10.9 very large no limit very large no limit Coal* South Island North Island * Generation with fossil fuels assumes carbon charge of $15/tCO2 Gas Availability & Demand (PJ) Gas Supply and Demand 250 200 Minimum demand with Electricity Generation Modelled Discoveries 150 100 50 Demand with Commercial & Co-Generation Known Reserves Developed Reserves 2005 Residential Gas Demand 2010 2015 2020
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