Hohm was announced in late June as an incubator project within Microsoft to help users manage and track their home energy use, and potentially modify their habits in order to save money. The service is free to use, supported by advertising, but it wasn’t until today that the Redmond-based company service, down the road the goal is to work with smart meters and other smart devices to provide closer to real-time energy data consumption data and remotely adjust appliances to save energy during peak times.