Transgrid operates and manages the high voltage electricity transmission network in NSW and the ACT, connecting generators, distributors, and major end users.

Over decades of technical excellence, we’ve enabled the smooth operation of 13,248km of high voltage transmission wires and 126 substations.

Our network is the backbone of the National Energy Market, enabling energy trading between Australia’s three largest states along the east coast, and supporting the competitive wholesale electricity market, while leading the transition to a clean energy future.