Renewables

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Renewable Energy in New Zealand

A large amount of New Zealand’s total primary energy supply (TPES) comes from renewable resources. Currently, New Zealand has the third highest renewables percentage of TPES (38%) in the OECD. Iceland has the highest, followed by Norway.

In 2013, a total of 75% of electricity generation came from renewable sources, the fourth highest in the OECD.

Figure 1: Percentage of New Zealand’s TPES from renewable sources

[image] Figure 1: Percentage of New Zealand electricity generation from renewable sources

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Hydro, geothermal, wind and bioenergy are used to produce electricity in New Zealand. For more information on electricity generation see section ‘F. Electricity’ of Energy in New Zealand

Figure 2: Renewable Primary Energy Supply 2014

[image] Figure 2: Renewable primary energy supply 2014

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New Zealand is a country rich in geothermal resources because of the many volcanic areas, and faults and tectonic features. As geothermal fluid is much lower in temperature than steam produced by coal or a gas boiler, the transformation efficiency to electricity is much lower. The efficiency is around 15%, and for this reason geothermal energy supply only produces 14.5% of New Zealand’s electricity even though it contributes to over half of the renewable energy supply.

For further details see section ‘E. Renewables’ of Energy in New Zealand.

 

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