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Story: State-owned enterprises

Haywards substation

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Haywards substation

Haywards substation in the Hutt Valley is part of the national grid – the network of high-voltage transmission lines and substations that carry electricity to users across the country. The national grid is owned and operated by Transpower, a state-owned enterprise that was created in 1994.

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McMillian Gallery

by Andrew McMillan

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How to cite this page

Rob Laking, State-owned enterprises – What are state-owned enterprises?, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/32675/haywards-substation (accessed 4 June 2026).

Story by Rob Laking, published 16 April 2012, updated 1 February 2015.