A smart meter for showing how much electricity your house is using.

- Image ID: C3HDD4
A smart meter for showing how much electricity your house is using.
Ashley Cooper pics / Alamy Stock Photo
Image ID: C3HDD4
A smart meter for showing how much electricity your house is using. It also tells you the cost per hour and per week and month, at the current rate of usage. Devices like this help people to value and save energy