Helicopters are a vital part of inspecting and maintaining our 11,800 km of transmission lines throughout the country.
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.
Tower painting is part of our routine maintenance activities to ensure they continue to provide a reliable service over their expected lifetimes.
Tower foundation refurbishment involves reinforcing transmission tower foundations, to ensure they continue to accommodate the existing and future loadings expected in their lifetimes.
Transmission line hardware is a general term describing the fittings on a structure (tower or pole) including those items attached to the conductor (wire).
This information sheet details the maintenance and replacement of that equipment
Insulators insulate the line so that the electricity being transported stays on the line and does not become earthed through the supporting structure.
Injurious affect occurs when an upgrade to the transmission line results in a permanent and non-negligible loss of value to your land.
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.
We'd like to share with you a bit more about who we are.
This booklet provides an insight into our business and our commitment to sustainability through what matters to us – our people, community and the environment.
This statement sets out the Board’s overall intentions and objectives for Transpower and its subsidiary companies for the year commencing 1 July.