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

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.

Resources

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.

Resources

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

Resources

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

Resources

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.

Resources

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

Resources

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

Resources

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

Resources

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

Resources

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

Resources