Essential Energy is responsible for building, operating and maintaining one of Australia’s largest electricity network that s ... pans 95 per cent of New South Wales’ land mass and parts of southern Queensland. Essential Energy delivers essential electricity network services to more than 870,000 homes and businesses in 1,500 regional, rural and remote communities across extremes of terrain and climate. Essential Energy also provides water and sewerage services to 20,000 customers in Far West NSW. read more