If, like [Giovanni], you want to keep better track of your usage, you might find value ... see plots of live and historical data from the power meter via his smartphone. A project like this ...

[Jay Kickliter] writes in to tell us about his open source energy/power meter ... don’t stop there. The meter also features an xbee pro 900 MHZ to provide wireless (and even mesh networking ...

NYSEG and RG&E are installing the latest in energy use technology − smart meters − across their wide customer base that includes more than 1 million electric hook-ups and 500,000 natural gas ...