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

This information sheet details keeping safe during recreational activities near transmission lines.

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A factsheet on the hazards of trees and vegetation around transmission lines with reference to the horticulture industry

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General information notice in relation to the Electricity (Hazards from Trees) Regulations 2003.

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This brochure is a guide to safe working practices when working near our underground electricity and associated communication networks.

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Tower foundation replacement involves replacing the steel at and below the level of the ground, to ensure they continue to maintain the structural integrity of the tower.

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The Electrical Code of Practice sets minimum safe electrical distance requirements for overhead electric line installations/other works associated with the supply of electricity to consumers.

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Over time, transmission poles may require replacement due to normal age-related wear and tear or to ensure safe ground clearances are maintained.

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Helicopters are a vital part of inspecting and maintaining our 11,800 km of transmission lines  throughout the country.

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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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