Experts in Networks

National Grid Transco is dedicated to being the world's premier network utility, primarily focused on delivering energy safely, reliably and efficiently. We own the high-voltage electricity transmission system in England and Wales and operate the system across Great Britain. We also own and operate the high pressure gas transmission system in Britain. In addition, we have electricity transmission systems in the northeastern US. Our local distribution networks deliver gas to homes and businesses throughout Britain. We distribute electricity in the northeastern US to approximately 3.3 million customers and gas in upstate New York to around 565,000 customers. We also have a number of businesses operating in related areas such as wireless network infrastructure for broadcast and mobile telephones, metering and interconnectors. All our networks are highly complex - requiring a unique mixture of skills, experience and planned investment.