About Us

TransGrid is the owner, operator and manager of the high voltage electricity transmission system throughout New South Wales (NSW), Australia. We transmit electricity across NSW through 12,016 kilometres of high voltage transmission lines supported by about 20,000 structures that are made from concrete, wood or steel, along what are commonly known as easements. Our high voltage electricity system also comprises 76 substations and power station switchyards.

TransGrid's system is a major part of one of the most extensive systems in the world - interconnected with the Victorian and Queensland systems.

Working within a competitive electricity market framework, TransGrid facilitates the trading of electricity energy between producers and consumers. Our customers include generators, electricity distributors, retailers, energy traders and interconnected transmission network operators within New South Wales, Victoria and South Australia.

Our reputation for excellence puts us at the industry's cutting edge both in Australia and internationally. TransGrid provides transmission network services and related solutions in:

• Transmission system planning and analysis
• Transmission line design and project management
• Substation design and project management
• Development and operation of wholesale electricity markets
• Transmission asset management and maintenance
• Telecommunication infrastructure design and project management
• Environmental management and auditing
• Technical training in all aspects of design and maintenance, including liveline training
• Community consultation services

See the Services Page