alternating
blackout
cable
circuit
clouds
cloudscape
color
commerce
commission
connection
copy
current
danger
dawn
distribution
dusk
electric
electrical
electricity
energy
generation
grid
high
industry
line
mast
morning
orange
overhead
poles
power
public
pylons
red
row
service
silhouette
single
sky
space
sun
sunrise
sunset
supply
tall
telephone
tower
transmission
urban
utility
vanishing
vertical
vibrant
volt
voltage
watt
wire