AGL Energy Limited engages in the supply of energy and other essential services to residential, business, and wholesale customers in Australia. The company operates through three segments: Customer Markets, Integrated Energy, and Investments. It engages in the retail of electricity and gas; retail of broadband, mobile, and voice services; and provision of solar and energy products and services. The company is also involved in the sale, marketing, and brand activities, as well as operation of customer contact and call centres. In addition, it generates and stores electricity through wind, hydro, solar, and coal and gas-fired plants, as well as grid-scale batteries and other firming technologies; production, storage, and sale of natural gas; and development projects. The company was founded in 1837 and is based in Sydney, Australia.