About Transpower

Corporate Social Responsibility

Transpower is the owner and operator of the National Grid – the high voltage transmission network made up of lines and substations connecting areas of electricity generation with towns and cities across New Zealand.

Transpower is committed to working in a socially responsible way that is respectful to the environment and considers the interests of the communities in which we operate. 

What we do

We keep New Zealand's energy flowing by transporting bulk electricity, connecting with smaller lines companies and managing New Zealand’s power system 24/7.

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Send us your comments or queries using the form. If your enquiry is in regard to land or property please provide the location and address details.

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Our history

We began as a separate State Owned Enterprise in 1994, but we've been the backbone to New Zealand's economic and social well-being for around 100 years.

GridHeritage logo

GridHeritage website

GridHeritage is a voluntary organisation supported by Transpower that builds and maintains a collection on New Zealand's transmission past.

Purpose and values

Our purpose and values are important in providing a foundation for our behaviours and interactions with each other, our customers, our stakeholders and communities.

EMF commitment

This commitment applies to EMF of extremely low frequency as associated with Transpower’s electricity transmission assets, its transmission lines, substations and cables.