alternative
blue sky
cable
communication
connection
contacts
current
danger
distribution
ecology
electricity
energetic
energy
engineering
equipment
generator
grid
high
industrial
infrastructure
line
long
metal
modern
nature
network
pole
power
pylon
sky
station
steel
structure
substation
supply
system
tall
technology
tower
transfer
transformer
transmission
utility
volt
voltage
watt
weather
wire