appliance
art
bill
box
charge
concept
contour
counter
current
device
dial
electric
electrical
electricity
energy
equipment
gauge
grid
home
icon
illustration
industrial
industry
instrument
isolated
kilowatt
line
linear
lineart
long
measure
measurement
meter
number
outline
panel
power
service
shadow
smartmeter
supply
symbol
technology
tool
usage
utility
volt
voltage
watt