NZ Wind Energy Association

The Ability of Offshore Wind to Improve New Zealand’s Electricity Security of Supply

Offshore wind is a growing technology, with successful projects throughout Europe. As New Zealand aims to reach 100% renewable electricity generation by 2035, diversification of the generation fleet is vital. Previous work has identified areas around New Zealand with an excellent wind resource and suitable coastal shelfs. Wind generation is variable and only generates when there is sufficient wind. Electricity generation in New Zealand is predominantly hydro-powered, which enables some flexibility and ability to match demand. However, this resource can also become depleted in what is known as “dry years”.

Comparisons on a temporal basis of offshore wind generation with demand, other renewables, and hydro inflows, particularly during dry periods, provide useful information and context on how offshore wind could be suitably integrated into New Zealand’s generation. This report aims to identify and quantify the benefits of offshore wind for New Zealand. More specifically, how it matches electricity demand, how it works alongside other renewables, whether it could form part of a solution to the dry-year problem, and how offshore wind will contribute to the security of electricity supply in New Zealand.

The ability of offshore wind to provide security of supply.

NZ WIND ENERGY

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