Landowner guides

We have produced a number of publications designed to:

  • assist you to keep safe when working or playing around our transmission lines.
  • assist you to understand our work on or over your property

We routinely check and assess the condition of that equipment to ensure the National Grid continues to provide a safe and secure power supply for the country.

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Tower painting is part of our routine maintenance activities to ensure they continue to provide a reliable service over their expected lifetimes.

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Tower foundation refurbishment involves reinforcing transmission tower foundations, to ensure they continue to accommodate the existing and future loadings expected in their lifetimes.

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Transmission line hardware is a general term describing the fittings on a structure (tower or pole) including those items attached to the conductor (wire).

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Insulators insulate the line so that the electricity being transported stays on the line and does not become earthed through the supporting structure.

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Injurious affect occurs when an upgrade to the transmission line results in a permanent and non-negligible loss of value to your land.

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Access tracks are our means to access many of our towers and poles located on private land. They might also include bridges or culverts built to enable our access.

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This brochure provides important information to ensure the safe use of machinery, mobile plant and vehicles near overhead transmission lines.

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Before constructing a new transmission line, Transpower must acquire property rights to the land traversed by the line route. This is achieved through an easement agreement with directly affected

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This brochure provides important information to landowners on managing vegetation (particularly trees) near overhead transmission lines.

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