Publications and resources

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

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.

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

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

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....

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.

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

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

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

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