The group's principal activities are generating, distributing and supplying electricity to utilities, government entities, retail customers and other customers through out the world. The group is organized and managed on four separate platforms namely midamerican, northern electric, calenergy and homeservices. Midamerican energy generates, transmits, distributes and sells electric energy and distributes, sells and transports natural gas. Northern electric receives electricity from the national grid transmission system and distributes it to customers. Calenergy develops, owns and operates environmentally responsible independent power production facilities worldwide. Homeservices operates in residential real estate brokerage.