ONnergy!

ONnergy is an application that helps you take control over your energy consumption and your budget. The app connects to smart devices in your home and collects data from smart meters. Central metering (http://www.fifthplay.com/en/smart-homes/the-solution/central-metering): This can make either a wired or a wireless connection with the fifthplay Gateway to establish links via optical sensors, pulse sensors, the P1 port (or MBUS with smart meters) or induction clamps.