Horizon Power is a commercially focused, state government-owned, power company that provides power supplies to Western Australia. It is responsible for generating, procuring, distributing and retailing electricity to residential, industrial and commercial customers and resource developments in its service area. Its service area is approximately 2.3 million square kilometres, which means Horizon Power services the biggest area with the fewest customers in the world. For every 53.5 square kilometres of terrain, Horizon Power has one customer.