blue
cable
color
construction
current
distribution
dusk
electric
electrical
electricity
energy
engineering
environment
equipment
evening
frame
generation
generator
grid
high
industrial
industry
line
lines
metal
nobody
orange
plant
pole
power
pylon
row
silhouette
sky
station
steel
structure
sun
sunrise
sunset
supply
tall
technology
tower
transmission
volt
voltage
watt
wire
wires